Busbar Diffrential Protection REB611
Transcript of Busbar Diffrential Protection REB611
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Document ID: 1MRS757455
Issued: 2011-11-18
Revision: A
Product version: 1.0
Copyright 2011 ABB. All rights reserved
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CopyrightThis document and parts thereof must not be reproduced or copied without written
permission from ABB, and the contents thereof must not be imparted to a thirdparty, nor used for any unauthorized purpose.
The software or hardware described in this document is furnished under a license
and may be used, copied, or disclosed only in accordance with the terms of such
license.
TrademarksABB and Relion are registered trademarks of the ABB Group. All other brand or
product names mentioned in this document may be trademarks or registered
trademarks of their respective holders.
WarrantyPlease inquire about the terms of warranty from your nearest ABB representative.
http://www.abb.com/substationautomation
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DisclaimerThe data, examples and diagrams in this manual are included solely for the concept
or product description and are not to be deemed as a statement of guaranteedproperties. All persons responsible for applying the equipment addressed in this
manual must satisfy themselves that each intended application is suitable and
acceptable, including that any applicable safety or other operational requirements
are complied with. In particular, any risks in applications where a system failure and/
or product failure would create a risk for harm to property or persons (including but
not limited to personal injuries or death) shall be the sole responsibility of the
person or entity applying the equipment, and those so responsible are hereby
requested to ensure that all measures are taken to exclude or mitigate such risks.
This document has been carefully checked by ABB but deviations cannot be
completely ruled out. In case any errors are detected, the reader is kindly requested
to notify the manufacturer. Other than under explicit contractual commitments, in
no event shall ABB be responsible or liable for any loss or damage resulting from
the use of this manual or the application of the equipment.
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ConformityThis product complies with the directive of the Council of the European
Communities on the approximation of the laws of the Member States relating toelectromagnetic compatibility (EMC Directive 2004/108/EC) and concerning
electrical equipment for use within specified voltage limits (Low-voltage directive
2006/95/EC). This conformity is the result of tests conducted by ABB in
accordance with the product standards EN 50263 and EN 60255-26 for the EMC
directive, and with the product standards EN 60255-1 and EN 60255-27 for the low
voltage directive. The product is designed in accordance with the international
standards of the IEC 60255 series.
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Table of contentsSection 1 Introduction.......................................................................3
This manual........................................................................................3
Intended audience..............................................................................3
Product documentation.......................................................................4
Product documentation set............................................................4
Document revision history.............................................................5
Related documentation..................................................................6
Symbols andconventions...................................................................6
Symbols.........................................................................................6
Document conventions..................................................................6
Functions, codes and symbols......................................................7
Section 2 REB611 overview.............................................................9Overview.............................................................................................9
Product version history..................................................................9
PCM600 and IED connectivity package version............................9
Operation functionality......................................................................10
Optional functions........................................................................10
Physical hardware............................................................................10
Local HMI.........................................................................................11Display.........................................................................................12
LEDs............................................................................................12
Keypad........................................................................................13
Web HMI...........................................................................................13
Authorization.....................................................................................14
Communication.................................................................................15
Section 3 REB611 standard configuration ....................................17Standard configuration.....................................................................17
Switch groups...................................................................................18Input switch group ISWGAPC.....................................................18
Output switch group OSWGAPC.................................................19
Selector switch group SELGAPC................................................19
Connection diagrams........................................................................21
Presentationof standard configuration.............................................23
Standard configuration A..................................................................24
Applications.................................................................................24
Functions.....................................................................................25
Default I/O connections..........................................................26
Predefined disturbance recorder connections........................26
Table of contents
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Functional diagrams....................................................................27
Functional diagrams for protection.........................................27
Functional diagrams for disturbance recorder........................30
Functional diagrams for control and interlocking....................32Switch groups..............................................................................34
Binary inputs...........................................................................34
Internal signal.........................................................................35
Binary outputs and LEDs........................................................36
GOOSE..................................................................................47
Section 4 Requirements for measurement transformers................51Current transformers........................................................................51
Current transformer requirements for differential
protection ....................................................................................51
Section 5 IED physical connections...............................................57Inputs................................................................................................57
Energizing inputs.........................................................................57
Differential currents................................................................57
Residual current.....................................................................57
Auxiliary supply voltage input......................................................57
Binary inputs................................................................................58
Outputs.............................................................................................58
Outputs for tripping and controlling..............................................58
Outputs for signalling...................................................................59
IRF...............................................................................................59
Section 6 Glossary.........................................................................61
Table of contents
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Section 1 Introduction
1.1 This manualThe application manual contains application descriptions and setting guidelines
sorted per function. The manual can be used to find out when and for what purpose
a typical protection function can be used. The manual can also be used when
calculating settings.
1.2 Intended audienceThis manual addresses the protection and control engineer responsible for
planning, pre-engineering and engineering.
The protection and control engineer must be experienced in electrical power
engineering and have knowledge of related technology, such as communication
and protocols.
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1.3 Product documentation1.3.1 Product documentation set
Planning&purchase
Engineering
Installing
Commissioning
Operation
Maintenance
Decommissioning
deinstalling&disposal
Application manual
Operation manual
Installation manual
Service manual
Engineering manual
Commissioning manual
Communication protocolmanual
Technical manual
Planning&purchase
Engineering
Installing
Commissioning
Operation
Maintenance
Decommissioning
deinstalling&disposal
Planning&purchase
Engineering
Installing
Commissioning
Operation
Maintenance
Decommissioning
deinstalling&disposal
Application manualApplication manual
Operation manualOperation manual
Installation manualInstallation manual
Service manualService manual
Engineering manualEngineering manual
Commissioning manualCommissioning manual
Communication protocolmanualCommunication protocolmanual
Technical manualTechnical manual
en07000220.vsd
IEC07000220 V1 EN
Figure 1: The intended use of manuals in different lifecycles
The engineering manual contains instructions on how to engineer the IEDs using
the different tools in PCM600. The manual provides instructions on how to set up a
PCM600 project and insert IEDs to the project structure. The manual also
recommends a sequence for engineering of protection and control functions, LHMI
functions as well as communication engineering for IEC 61850 and othersupported protocols.
The installation manual contains instructions on how to install the IED. The
manual provides procedures for mechanical and electrical installation. The chapters
are organized in chronological order in which the IED should be installed.
The commissioning manual contains instructions on how to commission the IED.
The manual can also be used by system engineers and maintenance personnel for
assistance during the testing phase. The manual provides procedures for checking
of external circuitry and energizing the IED, parameter setting and configuration as
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well as verifying settings by secondary injection. The manual describes the process
of testing an IED in a substation which is not in service. The chapters are organized
in chronological order in which the IED should be commissioned.
The operation manual contains instructions on how to operate the IED once it hasbeen commissioned. The manual provides instructions for monitoring, controlling
and setting the IED. The manual also describes how to identify disturbances and
how to view calculated and measured power grid data to determine the cause of a
fault.
The service manual contains instructions on how to service and maintain the IED.
The manual also provides procedures for de-energizing, de-commissioning and
disposal of the IED.
The application manual contains application descriptions and setting guidelines
sorted per function. The manual can be used to find out when and for what purpose
a typical protection function can be used. The manual can also be used when
calculating settings.
The technical manual contains application and functionality descriptions and lists
function blocks, logic diagrams, input and output signals, setting parameters and
technical data sorted per function. The manual can be used as a technical reference
during the engineering phase, installation and commissioning phase, and during
normal service.
The communication protocol manual describes a communication protocol
supported by the IED. The manual concentrates on vendor-specific implementations.
The point list manual describes the outlook and properties of the data points
specific to the IED. The manual should be used in conjunction with the
corresponding communication protocol manual.
Some of the manuals are not available yet.
1.3.2 Document revision historyDocument revision/date Product series version HistoryA/2011-11-18 1.0 First release
Download the latest documents from the ABB Web site
http://www.abb.com/substationautomation.
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1.3.3 Related documentationName of the document Document IDModbus Communication Protocol Manual 1MRS757461
IEC 61850 Engineering Guide 1MRS757465
Installation Manual 1MRS757452
Operation Manual 1MRS757453
Technical Manual 1MRS757454
1.4 Symbols and conventions
1.4.1 SymbolsThe electrical warning icon indicates the presence of a hazard
which could result in electrical shock.
The warning icon indicates the presence of a hazard which could
result in personal injury.
The caution icon indicates important information or warning relatedto the concept discussed in the text. It might indicate the presence
of a hazard which could result in corruption of software or damage
to equipment or property.
The information icon alerts the reader of important facts and
conditions.
The tip icon indicates advice on, for example, how to design your
project or how to use a certain function.
Although warning hazards are related to personal injury, it is necessary to
understand that under certain operational conditions, operation of damaged
equipment may result in degraded process performance leading to personal injury
or death. Therefore, comply fully with all warning and caution notices.
1.4.2 Document conventionsA particular convention may not be used in this manual.
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Abbreviations and acronyms in this manual are spelled out in the glossary. The
glossary also contains definitions of important terms.
Push-button navigation in the LHMI menu structure is presented by using the
push-button icons.
To navigate between the options, use and .
HMI menu paths are presented in bold.
Select Main menu/Settings.
LHMI messages are shown in Courier font.
To save the changes in non-volatile memory, select Yesand press .
Parameter names are shown in italics.
The function can be enabled and disabled with the Operationsetting.
Parameter values are indicated with quotation marks.
The corresponding parameter values are "On" and "Off".
IED input/output messages and monitored data names are shown in Courier font.
When the function starts, the STARToutput is set to TRUE.
1.4.3 Functions codes and symbolsTable 1: REB611 functions codes and symbolsFunction IEC 61850 IEC 60617 IEC-ANSIProtectionHigh-impedance differential
protection, instance 1HIPDIF1 dHi>(1) 87(1)
High-impedance differential
protection, instance 2HIPDIF2 dHi>(2) 87(2)
High-impedance differential
protection, instance 3HIPDIF3 dHi>(3) 87(3)
Non-directional earth-fault protection,
low stage, instance 1EFLPTOC1 Io> (1) 51N-1 (1)
Non-directional earth-fault protection,
high stage, instance 1EFHPTOC1 Io>> (1) 51N-2 (1)
Circuit breaker failure protection CCBRBRF1 3I>/Io>BF 51BF/51NBF
Master trip, instance 1 TRPPTRC1 Master Trip (1) 94/86 (1)
Master trip, instance 2 TRPPTRC2 Master Trip (2) 94/86 (2)
Switch groupsInput switch group 1) ISWGAPC ISWGAPC ISWGAPC
Output switch group 2) OSWGAPC OSWGAPC OSWGAPC
Selector switch group 3) SELGAPC SELGAPC SELGAPC
Configurable timersMinimum pulse timer (2 pcs) 4) TPGAPC TP TP
ControlCircuit-breaker control CBXCBR1 I O CB I O CB
SupervisionTrip circuit supervision, instance 1 TCSSCBR1 TCS (1) TCM (1)
Table continues on next page
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Function IEC 61850 IEC 60617 IEC-ANSITrip circuit supervision, instance 2 TCSSCBR2 TCS (2) TCM (2)
CT supervision for high-impedance
protection scheme, instance 1HZCCRDIF1 MCS 1I(1) MCS 1I(1)
CT supervision for high-impedance
protection scheme, instance 2HZCCRDIF2 MCS 1I(2) MCS 1I(2)
CT supervision for high-impedance
protection scheme, instance 3HZCCRDIF3 MCS 1I(3) MCS 1I(3)
MeasurementDisturbance recorder RDRE1 - -
Three-phase current measurement,
instance 1 5)CMMXU1 3I 3I
Residual current measurement,
instance 1RESCMMXU1 Io In
1) 10 instances
2) 20 instances3) 6 instances
4) 10 instances
5) In REB611, CMMXU is used for measuring differential phase currents.
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Section 2 REB611 overview
2.1 OverviewREB611 is a dedicated busbar protection IED (intelligent electronic device)
designed for phase-segregated short-circuit protection, control, and supervision of
single busbars. REB611 is intended for use in high-impedance-based applications
within utility substations and industrial power systems. In addition, the IED can be
utilized in restricted earth-fault and residual earth-fault applications for the
protection of generators, motors, transformers and reactors.
REB611 is a member of ABBs Relionproduct family and part of the 611
protection and control product series. The 611 series IEDs are characterized by
their compactness and withdrawable-unit design.
The 611 series is designed to offer simplified but powerful functionality intended
for most applications. Once the application-specific parameters have been entered,
the installed IED is ready to be put into service. The further addition of
communication functionality and interoperability between substation automation
devices offered by the IEC 61850 standard adds flexibility and value to end users
as well as electrical system manufacturers.
2.1.1 Product version historyProduct version Product history1.0 Product released
2.1.2 PCM600 and IED connectivity package version Protection and Control IED Manager PCM600 Ver. 2.4 or later
REB611 Connectivity Package Ver. 1.0 or later
Parameter Setting
Firmware Update
Disturbance Handling
Signal Monitoring
Lifecycle Traceability
Signal Matrix
Communication Management
IED Configuration Migration
Configuration Wizard
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Label Printing
IED User Management
Differential Characteristics Tool
Download connectivity packages from the ABB web site http://
www.abb.com/substationautomation
2.2 Operation functionality2.2.1 Optional functions
Modbus TCP/IP or RTU/ASCII
2.3 Physical hardwareThe IED consists of two main parts: plug-in unit and case. The content depends on
the ordered functionality.
Table 2: Plug-in unit and caseMain unit Slot ID Content optionsPlug-in
unit
- HMI Small (4 lines, 16 characters)
X100 Auxiliary power/
BO module
48-250 V DC/100-240 V AC; or 24-60 V DC
2 normally-open PO contacts
1 change-over SO contacts
1 normally-open SO contact
2 double-pole PO contacts with TCS
1 dedicated internal fault output contact
X120 AI/BI module Configuration A:
3 differential phase current inputs (1/5 A)
1 residual current input (1/5 A or 0.2/1 A)1)
4 binary inputs
Case X000 Optional
communicationmodule
See technical manual for details about different type of
communication modules.
1) The 0.2/1 A input is normally used in applications requiring sensitive earth-fault protection and
featuring core-balance current transformers.
Rated values of the current and voltage inputs are basic setting parameters of the
IED. The binary input thresholds are selectable within the range 18176 V DC by
adjusting the binary input setting parameters.
The connection diagrams of different hardware modules are presented in this manual.
Section 2 1MRS757455 AREB611 overview
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See the installation manual for more information about the case and
the plug-in unit.
T ab le 3: N um be r of p hysica l co nne ction s in sta nda rd co nfig ura tio nConf. Analog channels Binary channels CT VT BI BOA 4 - 4 6
2.4 Local HMI
REF611
Overcurrent
Earth-fault
Phase unbalance
Thermal overload
AR sequence in progress
Disturb.rec.trigged
Trip circuit failure
Breaker failure
GUID-E15422BF-B3E6-4D02-8D43-D912D5EF0360 V1 EN
Figure 2: Example of 611 series LHMI
The LHMI of the IED contains several elements.
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Display
Buttons
LED indicators
Communication port
The LHMI is used for setting, monitoring and controlling.
2.4.1 DisplayThe LHMI includes a graphical display that supports two character sizes. The
character size depends on the selected language. The amount of characters and
rows fitting the view depends on the character size.
Table 4: Characters and rows on the viewCharacter size Rows in view Characters on rowSmall, mono-spaced (6x12 pixels) 5 rows 20
Large, variable width (13x14 pixels) 4 rows min 8
The display view is divided into four basic areas.
1
3 4
2
GUID-24ADB995-439A-4563-AACE-1FAA193A8EF9 V1 EN
Figure 3: Display layout
1 Header
2 Icon
3 Content
4 Scroll bar (displayed when needed)
2.4.2 LEDsThe LHMI includes three protection indicators above the display: Ready, Start and
Trip.
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There are also 8 programmable LEDs on front of the LHMI. The LEDs can be
configured with the LHMI, WHMI or PCM600.
2.4.3 KeypadThe LHMI keypad contains push-buttons which are used to navigate in different
views or menus. With the push-buttons you can give open or close commands to
one object in the primary circuit, for example, a circuit breaker, a contactor or a
disconnector. The push-buttons are also used to acknowledge alarms, reset
indications, provide help and switch between local and remote control mode.
GUID-B681763E-EC56-4515-AC57-1FD5349715F7 V1 EN
Figure 4: LHMI keypad with object control, navigation and command push-
buttons and RJ-45 communication port
2.5 Web HMIThe WHMI enables the user to access the IED via a web browser. The supported
web browser version is Internet Explorer 7.0 or 8.0.
WHMI is disabled by default.
WHMI offers several functions.
Programmable LEDs and event lists
System supervision
Parameter settings
Measurement display
Disturbance records
Phasor diagram
Signal configuration
The menu tree structure on the WHMI is almost identical to the one on the LHMI.
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GUID-CD531B61-6866-44E9-B0C1-925B48140F3F V1 EN
Figure 5: Example view of the WHMI
The WHMI can be accessed locally and remotely.
Locally by connecting your laptop to the IED via the front communication port.
Remotely over LAN/WAN.
2.6 AuthorizationThe user categories have been predefined for the LHMI and the WHMI, each with
different rights and default passwords.
The default passwords can be changed with Administrator user rights.
User authorization is disabled by default but WHMI always usesauthorization.
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Table 5: Predefined user categoriesUsername User rightsVIEWER Read only access
OPERATOR Selecting remote or local state with (only locally) Changing setting groups
Controlling
Clearing indications
ENGINEER Changing settings
Clearing event list
Clearing disturbance records
Changing system settings such as IP address, serial baud rate
or disturbance recorder settings
Setting the IED to test mode
Selecting language
ADMINISTRATOR All listed above
Changing password Factory default activation
For user authorization for PCM600, see PCM600 documentation.
2.7 CommunicationFor application specific situations where communication between IEDs and remote
systems are needed, the 611 series IEDs also support IEC 61850 and Modbus
communication protocols. Operational information and controls are available
through these protocols. Some communication functionality, for example,
horizontal communication between the IEDs, is only enabled by the IEC 61850
communication protocol.
The IEC 61850 communication implementation supports monitoring and control
functionality. Additionally, parameter settings and disturbance and fault records
can be accessed using the IEC 61850 protocol. Disturbance records are available to
any Ethernet-based application in the standard COMTRADE file format. The IEDcan send and receive binary signals from other IEDs (so called horizontal
communication) using the IEC 61850-8-1 GOOSE profile, where the highest
performance class with a total transmission time of 3 ms is supported. The IED
meets the GOOSE performance requirements for tripping applications in
distribution substations, as defined by the IEC 61850 standard. The IED can
simultaneously report events to five different clients on the station bus.
The IED can support five simultaneous clients. If PCM600 reserves one client
connection, only four client connections are left, for example, for IEC 61850 and
Modbus.
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All communication connectors, except for the front port connector, are placed on
integrated optional communication modules. The IED can be connected to Ethernet-
based communication systems via the RJ-45 connector (100Base-TX) or the fibre-
optic LC connector (100Base-FX). An optional serial interface is available for
RS-485 communication.
Managed Ethernet switch
with RSTP support
Managed Ethernet switch
with RSTP support
Network
Network
REF611
Overcurrent
Earth-fault
Phaseunbalance
Thermaloverload
ARsequenceinprogress
Disturb.rec. trigged
Tripcircuit failure
Breakerfailure
REF611
Overcurrent
Earth-fault
Phaseunbalance
Thermaloverload
ARsequenceinprogress
Disturb.rec. trigged
Tripcircuitfailure
Breakerfailure
REF611
Overcurrent
Earth-fault
Phaseunbalance
Thermaloverload
ARsequenceinprogress
Disturb.rec. trigged
Tripcircuit failure
Breakerfailure
REM611
Short circuit
Combinedprotec tion
Thermaloverload
Motorrestartinhibit
Emergencys tart enabled
Disturb.rec.trigged
Supervisionalarm
Breakerfailure
REB611
High-impedance1operate
High-impedance2operate
High-impedance3operate
High-impedancestart
Segregatedsupervision
Disturb.rec.trigged
Tripcircuit failure
Breakerfailure
REF611 REF611 REF611 REM611 REB611
Client BClient A
GUID-A19C6CFB-EEFD-4FB2-9671-E4C4137550A1 V1 EN
Figure 6: Self-healing Ethernet ring solution
The Ethernet ring solution supports the connection of up to thirty
611 series IEDs. If more than 30 IEDs are to be connected, it is
recommended that the network is split into several rings with no
more than 30 IEDs per ring.
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Section 3 REB611 standard configuration
3.1 Standard configurationREB611 is available in one standard configuration.
To increase the user-friendliness of the IEDs standard configuration and to
emphasize the IED's simplicity of usage, only the application-specific parameters
need setting within the IED's intended area of application.
The standard signal configuration can be altered by LHMI (human-machineinterface), WHMI (Web browser-based user interface) or the optional application
functionality of the Protection and Control IED Manager PCM600.
Table 6: Standard configurationDescription Std. conf.High-impedance differential A
Table 7: Supported functionsFunctionality Conf. AProtection1)High-impedance differential protection, instance 1
High-impedance differential protection, instance 2
High-impedance differential protection, instance 3
Non-directional earth-fault protection, low stage, instance 1 2)
Non-directional earth-fault protection, high stage, instance 1 2)
Circuit breaker failure protection
Master trip, instance 1
Master trip, instance 2
Switch groupsInput switch group
Output switch group
Selector switch group
Configurable timerMinimum pulse timer (2 pcs)
ControlCircuit-breaker control
SupervisionTable continues on next page
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Functionality Conf. ATrip circuit supervision, instance 1
Trip circuit supervision, instance 2
CT supervision for high-impedance protection scheme, instance 1
CT supervision for high-impedance protection scheme, instance 2
CT supervision for high-impedance protection scheme, instance 3
MeasurementDisturbance recorder
Three-phase current measurement, instance 1 3)
Residual current measurement, instance 1
= Included
1) The instances of a protection function represent the number of identical function blocks available in
a standard configuration.
2) Io selectable by parameter, Io measured as default.
3) In REB611, CMMXU is used for measuring differential phase currents.
3.2 Switch groupsThe default application configurations cover the most common application cases,
however, changes can be made according to specific needs through LHMI, WHMI
and PCM600.
Programming is easily implemented with three switch group functions including
input switch group (ISWGAPC), output switch group (OSWGAPC) and selectorswitch group (SELGAPC). Each switch group has several instances.
Connections of binary inputs to functions, GOOSE signals to functions, functions
to functions, functions to binary outputs and functions to LEDs have been
preconnected through corresponding switch groups.
Change the parameter values of the switch groups to modify the real connection
logic and the application configuration.
3.2.1 Input switch group ISWGAPCThe input switch group ISWGAPC has one input and a number of outputs. Every
input and output has a read-only description. ISWGAPC is used for connecting the
input signal to one or several outputs of the switch group. Each output can be set to
be connected or not connected with the input separately via the OUT_x
connection setting.
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GUID-2D549B56-6CF7-4DCB-ACDE-E9EF601868A8 V1 EN
Figure 7: Input switch group ISWGAPC
3.2.2 Output switch group OSWGAPCThe output switch group OSWGAPC has a number of inputs and one output. Every
input and output has a read-only description. OSWGAPC is used for connecting
one or several inputs to the output of the switch group via OR logic. Each input can
be set to be connected or not connected with the OR logic via the IN_x
connection settings. The output of OR logic is routed to switch group output.
GUID-1EFA82D5-F9E7-4322-87C2-CDADD29823BD V1 EN
Figure 8: Output switch group OSWGAPC
3.2.3 Selector switch group SELGAPCThe selector switch group SELGAPC has a number of inputs and outputs. Every
input and output has a read-only description. Each output can be set to beconnected with one the of inputs via the OUT_x connection setting. An output
can also be set to be not connected with any of the inputs. In SELGAPC, one
output signal can only be connected to one input signal but the same input signal
can be routed to several output signals.
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GUID-E3AEC7AB-2978-402D-8A80-C5DE9FED67DF V1 EN
Figure 9: Selector switch group SELGAPC
Section 3 1MRS757455 AREB611 standard configuration
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3.3 Connection diagrams
L1
L2L3
REB611
16
17
1918
X100
6
7
89
10
111213
15
14
2
1
3
4
5
22
2123
24
SO2
TCS2
PO4
SO1
TCS1
PO3
PO2
PO1
IRF
+
-
Uaux
20
1) The IED f eatures an automatic short-circuit
mechanism in the CT connector when plug-in
unit is detached
1)
X120
1
2
3
4
5
6
7
89
1011
12
14Io
IL1
IL2
BI 4
BI 3
BI 2
BI 1
IL3
1/5A
N
1/5A
N
1/5A
N
1/5A
N
13
L1
L2L3
N
Ru Ru Ru Rs Rs Rs
GUID-72C26156-5904-4F37-B2CB-B2AD5F710BAC V1 EN
Figure 10: Connection diagram for configuration A when used as busbar
differential protection
1MRS757455 A Section 3REB611 standard configuration
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L1
L2L3
REB611
16
17
1918
X100
67
8910
111213
15
14
2
1
3
4
5
22
2123
24
SO2
TCS2
PO4
SO1
TCS1
PO3
PO2
PO1
IRF
+
-
Uaux
20
1) The IED features an automatic short-circuit
mecha nism in the CT connector when plug-in unit is detached
1)
X120
1
2
3
4
5
6
7
89
1011
12
14Io
IL1
IL2
BI 4
BI 3
BI 2
BI 1
IL3
1/5A
N
1/5A
N
1/5A
N
1/5A
N
13
3~
Ru RsRu Ru Rs
G
Rs
GUID-000FA2D5-6D6C-4A66-9772-7741A0BA3E91 V1 EN
Figure 11: Connection diagram for configuration A when used as rotating
machine phase differential protection
Section 3 1MRS757455 AREB611 standard configuration
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L1L2L3
REB611
16
17
1918
X100
67
8910
1112
13
15
14
2
1
3
4
5
22
2123
24
SO2
TCS2
PO4
SO1
TCS1
PO3
PO2
PO1
IRF
+
-
Uaux
20
1) The IED f eatures an automatic short-circuit
mechan ism in the CT connector when plug-in
unit is detached
1)
X120
1
2
3
4
5
6
7
89
1011
12
14
Io
IL1
IL2
BI 4
BI 3
BI 2
BI 1
IL3
1/5A
N
1/5A
N
1/5A
N
1/5A
N
13
3~
G
Ru Rs
GUID-00968A99-E6A2-4649-A50F-28E52CB8F484 V1 EN
Figure 12: Connection diagram for configuration A when used as rotating
machine restricted earth-fault protection
3.4 Presentation of standard configurationFunctional diagramsThe functional diagrams describe the IED's functionality from the protection,
measuring, condition supervision, disturbance recording, control and interlockingperspective. Diagrams show the default functionality with simple symbol logics
forming principle diagrams.
The functional diagrams are divided into sections with each section constituting
one functional entity.
Protection function blocks are part of the functional diagram. They are identified
based on their IEC 61850 name but the IEC based symbol and the ANSI function
number are also included. Some function blocks, such as HIPDIF, are used several
times in the configuration. To separate the blocks from each other, the IEC 61850
name, IEC symbol and ANSI function number are appended with a running
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number, that is an instance number, from one upwards. If the block has no suffix
after the IEC or ANSI symbol, the function block has been used, that is,
instantiated, only once.
Switch groupsSwitch group information can be divided into three levels.
The first level is a configuration overview. All switch groups in the
configuration are presented in an overview figure. The figure provides general
information about the relationship between different switch groups.
The second level presents function group information. It explains how the
switch groups belong to a special function as well as related function blocks.
The third level presents detailed information about the switch groups. It
provides information about a specific switch group including the logic
connection of the input and output, default connection and port description.
Conventions used in switch group figures:
The text in the symbol indicates the logic connections of the function's
inputs or outputs. The text is a combination of a function block name and the
input or output name. They are connected with a _ symbol.
If there are many lines of text in an output symbol , each line indicates a
signal. The switch group output is routed to all these signals.
If there are many lines of text in an input symbol , each line indicates a
signal. All signals are routed to a switch group input via an OR logic.
The text above the connection line is the description of the port.
If there is no text in the connection line, the port description is the same as thetext in the symbol.
A dashed arrow within the switch group function box indicate the default
connection of the switch group.
3.5 Standard configuration A3.5.1 Applications
The standard configuration for phase-segregated high-impedance differential
protection and non-directional earth-fault protection is mainly intended for use in
high-impedance-based applications within utility substations and industrial power
systems. In addition, the IED can also be used in restricted earth-fault and residual
earth-fault applications for the protection of generators, motors, transformers and
reactors.
The IED with a standard configuration is delivered from the factory with default
settings and parameters. The end-user flexibility for incoming, outgoing and
internal signal designation within the IED enables this configuration to be further
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adapted to different primary circuit layouts and the related functionality needs by
modifying the internal functionality using PCM600.
3.5.2 FunctionsTable 8: Functions included in the standard configuration AFunction IEC 61850 IEC 60617 IEC-ANSIProtectionHigh-impedance differential protection,
instance 1HIPDIF1 dHi>(1) 87(1)
High-impedance differential protection,
instance 2HIPDIF2 dHi>(2) 87(2)
High-impedance differential protection,
instance 3HIPDIF3 dHi>(3) 87(3)
Non-directional earth-fault protection, lowstage, instance 1 EFLPTOC1 Io> (1) 51N-1 (1)
Non-directional earth-fault protection, high
stage, instance 1EFHPTOC1 Io>> (1) 51N-2 (1)
Circuit breaker failure protection CCBRBRF1 3I>/Io>BF 51BF/51NBF
Master trip, instance 1 TRPPTRC1 Master Trip (1) 94/86 (1)
Master trip, instance 2 TRPPTRC2 Master Trip (2) 94/86 (2)
Switch groupsInput switch group ISWGAPC ISWGAPC ISWGAPC
Output switch group OSWGAPC OSWGAPC OSWGAPC
Selector switch group SELGAPC SELGAPC SELGAPC
Configurable timerMinimum pulse timer (2 pcs) TPGAPC TP TP
ControlCircuit-breaker control CBXCBR1 I O CB I O CB
SupervisionTrip circuit supervision, instance 1 TCSSCBR1 TCS (1) TCM (1)
Trip circuit supervision, instance 2 TCSSCBR2 TCS (2) TCM (2)
CT supervision for high-impedance
protection scheme, instance 1HZCCRDIF1 MCS 1I(1) MCS 1I(1)
CT supervision for high-impedance
protection scheme, instance 2 HZCCRDIF2 MCS 1I(2) MCS 1I(2)
CT supervision for high-impedance
protection scheme, instance 3HZCCRDIF3 MCS 1I(3) MCS 1I(3)
MeasurementDisturbance recorder RDRE1 - -
Three-phase current measurement,
instance 11)CMMXU1 3I 3I
Residual current measurement, instance 1 RESCMMXU1 Io In
1) In REB611, CMMXU is used for measuring differential phase currents.
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3.5.2.1 Default I/O connectionsTable 9: Default connections for binary inputsBinary input Default usage Connector pinsX120-BI1 - X120-1,2
X120-BI2 Circuit breaker closed position indication X120-3,2
X120-BI3 Circuit breaker open position indication X120-4,2
X120-BI4 - X120-5,6
Table 10: D efault connections for binary outputsBinary input Default usage Connector pinsX100-PO1 Close circuit breaker X100-6,7
X100-PO2 Circuit breaker failure protection trip to upstream
breaker
X100-8,9
X100-PO3 Open circuit breaker/trip coil 1 X100-15,16,17,18,19
X100-PO4 Open circuit breaker/trip coil 2 X100-20,21,22,23,24
X100-SO1 General start indication X100-10,11,12
X100-SO2 General operate indication X100-13,14,15
Table 11: Default connections for LEDsLED Default usage1 High-impedance differential protection stage 1 operate
2 High-impedance differential protection stage 2 operate
3 High-impedance differential protection stage 3 operate
4 High-impedance differential protection start
5 Dedicated phase-segregated supervision function alarm
6 Disturbance recorder triggered
7 Trip circuit supervision alarm
8 Circuit-breaker failure operate
3.5.2.2 Predefined disturbance recorder connectionsTable 12: Predefined analog channel setupChannel Selection and text1 IL1
2 IL2
3 IL3
4 Io
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Additionally, all the digital inputs that are connected by default are also enabled
with the setting. Default triggering settings are selected depending on the
connected input signal type. Typically all protection START signals are selected to
trigger the disturbance recorded by default.
3.5.3 Functional diagramsThe functional diagrams describe the default input, output, programmable LED,
switch group and function-to-function connections. The default connections can be
viewed and changed with switch groups in PCM600, LHMI and WHMI according
to the application requirements.
The analog channels have fixed connections towards the different function blocks
inside the IEDs standard configuration. Exceptions from this rule are the four
analog channels available for the disturbance recorder function. These channels are
freely selectable and a part of the disturbance recorders parameter settings.
3.5.3.1 Functional diagrams for protectionThe functional diagrams describe the IEDs protection functionality in detail and
picture the factory default connections.
LED 4
HIGH-IMPEDANCE DIFFERENTIAL PROTECTION
HIPDIF1
dHi>(1)
87(1)
BLOCK
OPERATEI_A
START
HIPDIF2dHi>(2)
87(2)
BLOCK
OPERATEI_B
START
HIPDIF3dHi>(3)
87(3)
BLOCK
OPERATEI_C
START
OSWGAPC4
OR OUT
IN_1
IN_2
IN_3
SELGAPC4
OUT_4IN_6
LED 1
LED 2
LED 3
OSWGAPC10
OUTIN_3
OSWGAPC9
OUTIN_2
OSWGAPC8
OUTIN_1
SELGAPC4
OUT_3IN_12
SELGAPC4
OUT_2IN_11
SELGAPC4
OUT_1IN_10
HZCCRDIF1_ALARM
HZCCRDIF2_ALARM
HZCCRDIF3_ALARM
GUID-4D5EE676-4AC1-4E46-B4C8-641B149B3C83 V1 EN
Figure 13: High-impedance differential protection
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Three high-impedance differential protection instances are offered. By default,
HIPDIF1 is for phase A current channel, HIPDIF2 is for phase B current channel,
and HIPDIF3 is for phase C current channel. The ALARM outputs of the phase-
segregated current transformer supervision (HZCCRDIF) block HIPDIF.
HIPDIF1 operate signal is connected to LED 1, HIPDIF2 operate signal is
connected to LED 2, HIPDIF3 operate signal is connected to LED 3. All the start
signals from HIPDIF1...HIPDIF3 are connected to LED 4.
HZCCRDIF3MCS 1I(3)
MCS 1I(3)
BLOCK
ALARMI_C
HZCCRDIF2
MCS 1I(2)
MCS 1I(2)
BLOCK
ALARMI_B
HZCCRDIF1
MCS 1I(1)
MCS 1I(1)
BLOCK
ALARMI_A
LED 5
SELGAPC4
OUT_5IN_13
OSWGAPC11
OR OUT
IN_1
IN_2
IN_3
PHASE SEGREGATED CT SUPERVISION
GUID-2777A166-E375-4BC4-90D7-87A80E477393 V1 EN
Figure 14: Phase segregated CT supervision
Three phase-segregated current transformer supervision instances are offered. By
default, HZCCRDIF1 is for phase A current channel, HZCCRDIF 2 is for phase B
current channel, and HZCCRDIF 3 is for phase C current channel.
All the ALARM output signals are connected to LED 5.
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EARTH-FAULT PROTECTION
EFLPTOC1
Io>(1)
51N-1(1)
BLOCK START
OPERATEIo
ENA_MULT
EFHPTOC1
Io>>(1)
51N-2(1)
BLOCK START
OPERATEIo
ENA_MULT
GUID-A45C3D99-3B0D-48D9-B152-6BEEBBC29A82 V1 EN
Figure 15: Earth-fault protection
Two stages are offered for non-directional earth-fault protection. The operate
signals of the earth-fault protections are connected to the Master Trip.
X120-BI2
X100 PO2
LED 8
OR
SELGAPC3
OUT_2IN_4
CIRCUIT BREAKER FAILURE PROTECTION
SELGAPC1
OUT_2IN_2
CB Closed Position
SELGAPC4
OUT_8IN_16
OSWGAPC14
OUTIN_7
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF1_OPERATE
HIPDIF2_OPERATE
EFHPTOC1_OPERATE
51BF/51NBF(1)
3I
Io
START TRRET
TRBU
POSCLOSE
CB_FAULT
BLOCK
CB_FAULT_AL
CCBRBRF1
3I>/Io>BF(1)
GUID-03078895-719E-4704-84A7-EDFFBE60DD4A V1 EN
Figure 16: Circuit breaker failure protection
The circuit-breaker failure protection (CCBRBRF1) is initiated via the start input
by a number of different protection stages in the IED. CCBRBRF1 offers different
operating modes associated with the circuit breaker position and the measured
phase and residual currents. CCBRBRF1 has two operating outputs: TRRET and
TRBU. The TRRET operate output is used for retripping its own circuit breaker
through Master Trip 2. The TRBU output is used to give a backup trip to the circuit-
breaker feeding upstream. For this purpose, the TRBU operate output signal is
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connected to the output PO2 (X100: 8-9). LED 8 is used for backup (TRBU)
operate indication.
3.5.3.2 Functional diagrams for disturbance recorderDISTURBANCE RECORDER
LED 6
OR
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATE
OR
RDRE1C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11C12
C13
C14C15
C16
C17
C18
C19
C20
C21
C22
TRIGGERED
OSWGAPC12
OUTIN_4
SELGAPC4
OUT_6IN_14HIPDIF1_START
HIPDIF2_START
HIPDIF3_START
EFHPTOC1_START
EFLPTOC1_START
SELGAPC1_ Blocking
SELGAPC1_ CB Closed Position
SELGAPC1_ CB Open Position
CCBRBRF1_TRRET
CCBRBRF1_TRBU
HZCCRDIF1_ALARM
HZCCRDIF2_ALARMHZCCRDIF3_ALARM
SELGAPC1_External Trip
SG_1_ACT
SG_2_ACT
SG_3_ACT
SG_4_ACT
SG_5_ACT
SG_6_ACT
GUID-76A45579-A1D9-4048-8A86-BB2AFC0CE8C7 V1 EN
Figure 17: Disturbance recorder
All start and operate signals from the protection stages are routed to trigger the
disturbance recorder or alternatively only to be recorded by the disturbance
recorder depending on the parameter settings. Additionally, the selectedautoreclosing output signals and the three binary inputs from X120 are also
connected. The active setting group is also to be recorded via SG_1_ACT to
SG_6_ACT. The disturbance recorder triggered signal indication is connected to
LED 6.
T ab le 13 : D istu rb anc e re co rd er bin ary ch an nel de fa ult v alu eChannel number Channel id text Level trigger modeBinary channel 1 HIPDIF1_START 1=positive or rising
Binary channel 2 HIPDIF2_START 1=positive or rising
Binary channel 3 HIPDIF3_START 1=positive or rising
Binary channel 4 EFLPTOC1_START 1=positive or rising
Binary channel 5 EFHPTOC1_START 1=positive or rising
Binary channel 6 HIPDIF1/2/3_OPERATE 4=level trigger off
Binary channel 7 EFxPTOC1_OPERATE 4=level trigger off
Binary channel 8 SELGAPC1_Blocking 4=level trigger off
Binary channel 9 SELGAPC1_CB_Closed 4=level trigger off
Binary channel 10 SELGAPC1_CB_Open 4=level trigger off
Binary channel 11 CCBRBRF1_TRRET 4=level trigger off
Binary channel 12 CCBRBRF1_TRBU 4=level trigger off
Table continues on next page
Section 3 1MRS757455 AREB611 standard configuration
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Channel number Channel id text Level trigger modeBinary channel 13 HZCCRDIF1_ALARM 1=positive or rising
Binary channel 14 HZCCRDIF2_ALARM 1=positive or rising
Binary channel 15 HZCCRDIF3_ALARM 1=positive or rising
Binary channel 16 SELGAPC1_External Trip 4=level trigger off
Binary channel 17 SG_1_ACT 4=level trigger off
Binary channel 18 SG_2_ACT 4=level trigger off
Binary channel 19 SG_3_ACT 4=level trigger off
Binary channel 20 SG_4_ACT 4=level trigger off
Binary channel 21 SG_5_ACT 4=level trigger off
Binary channel 22 SG_6_ACT 4=level trigger off
X120-BI3
OR
LED 7
TRIP CIRCUIT SUPERVISION
SELGAPC1
OUT_3IN_3
TRPPTRC1_TRIP
TRPPTRC2_TRIP
TCSSCBR1
BLOCK ALARM
TCSSCBR2
BLOCK ALARM
SELGAPC2
OUT_1
IN_2 OUT_2
OSWGAPC13
OR OUT
IN_5
IN_6
SELGAPC4
OUT_7IN_15
CB Open Position
GUID-535EAC11-8657-4F5B-BAB2-E91FF795C817 V1 EN
Figure 18: Trip circuit supervision
Two separate trip circuit supervision functions are included, TCSSCBR1 for PO3
(X100:15-19) and TCSSCBR2 for PO4 (X100:20-24). Both functions are blocked
by the Master Trip (TRPPTRC1 and TRPPTRC2) and the circuit breaker open
position. The TCS alarm indication is connected to LED 7.
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3.5.3.3 Functional diagrams for control and interlocking
X100 PO3
X100 PO4
MASTER TRIP #1
MASTER TRIP #2
OR
OR
SELGAPC3
OUT_6IN_2
SELGAPC3
OUT_5IN_1TRIP
CL_LKOUT
BLOCK
RST_LKOUT
TRPPTRC1
OPERATE
TRIP
CL_LKOUT
BLOCK
RST_LKOUT
TRPPTRC2
OPERATE
SELGAPC1_RST_LKOUT
CBXCBR1_EXE_OP
SELGAPC1_External Trip
SELGAPC1_External Trip
SELGAPC1_RST_LKOUT
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EHLPTOC1_OPERATE
EFHPTOC1_OPETATE
CCBRBRF1_TRRET
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EHLPTOC1_OPERATE
EFHPTOC1_OPETATE
OSWGAPC2
OR
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
OUT
OR
OSWGAPC1
OR
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
GUID-AFCBCEC5-678B-4F8B-9963-FFE91A7F1233 V1 EN
Figure 19: Master trip
The operate signals from the protections and an external trip are connected to the
two trip output contacts PO3 (X100:15-19) and PO4 (X100:20-24) via the
corresponding Master Trips TRPPTRC1 and TRPPTRC2. Open control commands
to the circuit breaker from local or remote CBXCBR1_EXE_OP or from the
autoreclosing DARREC1_OPEN_CB are connected directly to the output contact
PO3 (X100:15-19).
TRPPTRC1 and 2 provide the lockout/latching function, event generation and the
trip signal duration setting. One binary input through SELGAPC1 can be connected
to the RST_LKOUT input of Master Trip. If the lockout operation mode is
selected, it is used to enable external reset.
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X120-BI2
X120-BI3
ANDTRPPTRC1_TRIP
TRPPTRC2_TRIP
CBXCBR1_EXE_OP
X100 PO1
CIRCUIT BREAKER CONTROL
Always True
CBXCBR1
ENA_OPEN
SELECTED
EXE_OP
EXE_CL
ENA_CLOSE
BLK_OPEN
BLK_CLOSE
AU_OPEN
AU_CLOSE
POSOPEN
POSCLOSE
OPENPOS
CLOSEPOS
OKPOS
OPEN_ENAD
CLOSE_ENAD
ITL_BYPASS
SELGAPC3
OUT_1IN_3
CB Closed Position
CB Open Position
SELGAPC1
OUT_2
IN_3
IN_2
OUT_3
IN_5 OUT_4
GUID-F781E05E-B262-4A46-BDF7-CD977EE33086 V1 EN
Figure 20: Circuit breaker control
The ENA_CLOSE input, which enables the closing of the circuit breaker, is a
status of the Master Trip in the circuit breaker control function block CBXCBR.An always true signal is also connected to ENA_CLOSE via SELGAPC1 by
default. The open operation is always enabled.
X100 SO1
X100 SO2
COMMON ALARM INDICATION 1 & 2
SELGAPC3
OUT_3IN_5
OUT_4IN_9
TPGAPC1
IN1 OUT1
TPGAPC3
IN1 OUT1
PHLPTOC1_OPERATE
PHHPTOC1_OPERATE
PHHPTOC2_OPERATE
PHIPTOC1_OPERATE
EFHPTOC1_OPERATE
OSWGAPC7
OR
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
PHLPTOC1_START
PHHPTOC1_START
PHHPTOC2_START
PHIPTOC1_START
EFHPTOC1_START
OSWGAPC3
OR
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
GUID-59A0BE26-527F-475F-AF43-2F1A2BD7FC14 V1 EN
Figure 21: Common alarm indication
The signal outputs from the IED are connected to give dedicated information on:
Start of any protection function SO1 (X100:10-12).
Operation (trip) of any protection function SO2 (X100: 13-15).
TPGAPC are timers and used for setting the minimum pulse length for the outputs.
There are seven generic timers (TPGAPC17) available in the IED.
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3.5.4 Switch groupsIn standard configuration A, the switch group function blocks are organized in four
groups: binary inputs, internal signal, GOOSE as well as binary outputs and LEDs.
GOOSE
Binary Inputs Protection and Control
GOOSE
GOOSE
GOOSE
Binary Inputs
(1...4)
Received GOOSE
(0...19)
Binary Outputs and LEDs
OSWGAPC2
OSWGAPC1
OSWGAPC16
OSWGAPC15
OSWGAPC14
OSWGAPC13
OSWGAPC12
OSWGAPC11
SELGAPC4
LEDs
SELGAPC3
Binary Outputs
OSWGAPC10
OSWGAPC9
OSWGAPC8
OSWGAPC7
OSWGAPC6
OSWGAPC5
OSWGAPC4
OSWGAPC3
Binary Outputs
(1...6)
LEDs
(18)
HIPDIF1 HIPDIF2
HIPD IF 3 E FLP TO C1
EFHPTOC1 HZCCRDIF1
HZCCRDIF2 HZCCRDIF3
CBXCBR1
TCSSCBR1 TCSSCBR2
CCBRBRF1
SELGAPC1
Binary Inputs
ISWGAPC1
SELGAPC2
Blocking
TCS Blocking
ISWGAPC9
GOOSE Blocking
ISWGAPC10
GOOSE Block CBAlarm
Trip
Start
Master trip
Internal Signal
GUID-E6D66B73-6C09-4979-9E08-49CEFEC60BD3 V1 EN
Figure 22: Standard configuration A switch group overview
3.5.4.1 Binary inputsThe binary inputs group includes one SELGAPC and one ISWGAPC. SELGAPC1
is used to route binary inputs to ISWGAPC or directly to IED functions.
ISWGAPC1 is used to configure the signal to block the protection functions.
SELGAPC1 ISWGAPC1Blocking 1
HIPDIF1_BLOCK
HIPDIF2_BLOCK
HIPDIF3_BLOCK
EFLPTOC1_BLOCK
EFHPTOC1_BLOCK
HZCCRDIF1_BLOCK
HZCCRDIF2_BLOCK
HZCCRDIF3_BLOCK
X120-BI1
X120-BI2
X120-BI3
X120-BI4
GUID-77ACA5A9-62F9-43BB-835B-016DE800A3C4 V1 EN
Figure 23: Binary inputs
SELGAPC1SELGAPC1 has inputs from IED binary inputs. IN_1 to IN_4 are binary inputs
from X100. An always true signal is connected to IN_5. SELGAPC1 outputs are
used to route inputs to different functions. By setting SELGAPC1, binary inputs
can be configured for different purposes.
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SELGAPC1
CB Closed Position
CB Open Position CBXCBR1_POSOPEN
SELGAPC2_IN_2
Blocking 1
External Trip
PROTECTION_BI_SG_2Setting Group 2
PROTECTION_BI_SG_3Setting Group 3
PROTECTION_BI_SG_4Setting Group 4
ISWGAPC1_INX120/1-2 BI1
X120/3-2 BI2
X120/4-2 BI3
X120/5-6 BI4
IN_1
IN_2
IN_3
IN_4
IN_5
TRPTTRC1_OPERATE
TRPTTRC2_OPERATE
X120-BI1
X120-BI2
X120-BI3
X120-BI4
Always True
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
OUT_8
OUT_9
CBXCBR1_ENA_CLOSE
TRPTTRC1_RST_LKOUT
TRPTTRC2_RST_LKOUT
TRPTTRC1/2_
RST_LKOUT
CB Close Enable
CBXCBR1_POSCLOSE
SELGAPC2_IN_1
GUID-C41611AC-B385-438D-AF2F-DACEC6B69B48 V1 EN
Figure 24: SELGAPC1
ISWGAPC1ISWGAPC1 is used for general blocking. ISWGAPC1 input is from SELGAPC1
output OUT_1 Blocking 1. ISWGAPC1 outputs are connected to BLOCK inputs of
protection functions. Select which protection functions are to be blocked by
changing ISWGAPC1 parameters.
ISWGAPC1
IN
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
OUT_8
Blocking 1SELGAPC1_OUT_1
HIPDIF1_BLOCK
HIPDIF2_BLOCK
HIPDIF3_BLOCK
EFLPTOC1_BLOCK
EFHPTOC1_BLOCK
HZCCRDIF1_BLOCK
HZCCRDIF2_BLOCK
HZCCRDIF3_BLOCK
GUID-404D31F7-C132-46B4-8AFA-321C80881FA3 V1 EN
Figure 25: ISWGAPC1
3.5.4.2 Internal signalThe internal signal group is used to configure the logic connections between
function blocks. There is one SELGAPC in this group.
SELGAPC2 is used to configure trip circuit supervision blocking from the circuit
breaker open or close position.
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SELGAPC2 TCSSCBR1_BLOCK
TCSSCBR2_BLOCK
SELGAPC1_OUT_2
SELGAPC1_OUT_3
CB Closed Position
CB Open Position
GUID-DB5EA70F-6249-400F-90B2-DB7D1758B4BC V1 EN
Figure 26: Internal signal
SELGAPC2SELGAPC2 inputs are circuit breaker closed and open positions from SELGACP1.
SELGAPC2 outputs are routed to the BLOCK input of the trip circuit supervision
TCSSCBR1 and TCSSCBR2.
By default, X100 PO3 and PO4 are both used for the open circuit breaker.
TCSSCBR1 and TCSSCBR2 are both blocked by the circuit breaker open position.
If X100-PO3 is used for closing the circuit breaker, TCSSCBR1 needs to be
blocked by the circuit breaker close position (OUT_1 connection=IN_1). If X100-
PO4 is used for closing the circuit breaker, TCSSCBR2 needs to be blocked by the
circuit breaker close position (OUT_2 connection=IN_1).
SELGAPC2
IN_1
IN_2
OUT_1
OUT_2
TCSSCBR1_BLOCK
TCSSCBR2_BLOCK
SELGAPC1_OUT_2
SELGAPC1_OUT_3
CB Closed Position
CB Open Position
GUID-9F97A340-1373-49E8-A0D1-F0FBDFB9B753 V1 EN
Figure 27: SELGAPC2
3.5.4.3 Binary outputs and LEDsIn standard configuration A, the signals route to binary outputs, and LEDs are
configured by OSWGAPCs. There are totally 15 OSWGAPC instances. They can
be categorized to four groups, including one Master trip, four start, four trip and six
alarm signals. The OSWGAPC output is connected to binary outputs and LEDs via
SELGAPC3 and SELGAPC4.
SELGAPC3 is used to configure OSWGAPC signals to IED binary outputs.
SELGAPC4 is used to configure OSWGAPC signals to LEDs.
OSWGAPC1 is used for Master trip. The inputs are from protection functions
operate and circuit-breaker failures re-trip. OSWGAPC2 is not in used.
OSWGAPC3 to OSWGAPC6 are used for the start signal. The inputs are start
signals from the protection functions.
OSWGAPC7 to OSWGAPC10 are used for the trip signal. The inputs are
operation signals from the protection functions.
OSWGAPC11 to OSWGAPC16 are used for the alarm signal. The inputs are
alarm signals from the protection and monitoring functions.
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Master Trip 1
Trip 1
Trip 2
Trip 3
Trip 4
HZCCRDIF1_ALARM
HZCCRDIF2_ALARM
HZCCRDIF3_ALARM
RDRE_TRIGGERED
TCSSCBR1_ALARM
TCSSCBR2_ALARM
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
OSWGAPC12 Alarm 2
OSWGAPC13 Alarm 3
OSWGAPC14 Alarm 4
OSWGAPC1
OSWGAPC3
OSWGAPC11 Alarm 1
TRPPTRC1
TPGAPC3
TPGAPC4
TPGAPC5
TPGAPC6
SELGAPC3
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATE
CCBRBRF1_TRRET
HIPDIF1_START
HIPDIF2_START
HIPDIF3_START
EFLPTOC1_START
EFHPTOC1_START
OSWGAPC8
OSWGAPC7
OSWGAPC10
OSWGAPC9
X100 PO1
X100 PO2
X100 SO1
X100 SO2
X100 PO3
X100 PO4
Start 1
Start 2
TPGAPC1
OSWGAPC4
OSWGAPC5 Start 3
Start 4
TPGAPC2
OSWGAPC6
OSWGAPC15 Alarm 5
OSWGAPC16 Alarm 6
TPGAPC7
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
IN1 OUT1
IN2 OUT2
Master Trip 2OSWGAPC2 TRPPTRC2
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATE
GUID-9968F50A-8710-4EF7-A980-78A82488B59D V1 EN
Figure 28: Binary outputs
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Trip 1
Trip 2
Trip 3
Trip 4
OSWGAPC3
OSWGAPC11 Alarm 1
SELGAPC4
OSWGAPC8
OSWGAPC7
OSWGAPC10
OSWGAPC9
Start 1
Start 2OSWGAPC4
OSWGAPC5 Start 3
Start 4OSWGAPC6
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
OSWGAPC12 Alarm 2
OSWGAPC13 Alarm 3
OSWGAPC14 Alarm 4
OSWGAPC15 Alarm 5
OSWGAPC16 Alarm 6
HZCCRDIF1_ALARM
HZCCRDIF2_ALARM
HZCCRDIF3_ALARM
RDRE_TRIGGERED
TCSSCBR1_ALARM
TCSSCBR2_ALARM
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATECCBRBRF1_TRRET
HIPDIF1_START
HIPDIF2_START
HIPDIF3_START
EFLPTOC1_START
EFHPTOC1_START
HIPDIF1_OPERATE
HIPDIF2_OPERATE
HIPDIF3_OPERATE
EFLPTOC1_OPERATE
EFHPTOC1_OPERATE
Master Trip 1OSWGAPC1 TRPPTRC1
Master Trip 2OSWGAPC2 TRPPTRC2
GUID-DC07ECE8-4492-4836-A9DF-53696F581F9B V1 EN
Figure 29: LEDs
SELGAPC3SELGAPC3 is used to configure the OSWGAPC outputs to the IED binary
outputs. The Master trip signals are connected to SELGAPC3 via TRPPTRC. Start,
trip and alarm signals are connected to SELGAPC3 via TPGAPC. TPGAPC are
timers and used for setting the minimum pulse length for the outputs.
SELGAPC3 outputs are connected with X100 binary outputs.
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SELGAPC3
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
IN_12
IN_13
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
IN_14
IN_15
IN_16
IN_17
IN_18
X100 PO1
X100 PO2
X100 SO1
X100 SO2
X100 PO3
X100 PO4
OSWGAPC11_OUT
OSWGAPC12_OUT
OSWGAPC13_OUT
OSWGAPC14_OUT
OSWGAPC15_OUT
OSWGAPC16_OUT
OSWGAPC5_OUT
OSWGAPC6_OUT
OSWGAPC7_OUT
OSWGAPC8_OUT
OSWGAPC9_OUT
OSWGAPC10_OUT
OSWGAPC3_OUT
OSWGAPC4_OUT
Start 1
Start 2
Start 3
Start 4
Trip 1
Alarm 1
Trip 2
Trip 3
Trip 4
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
Backup Trip
CBXCBR_EXE_OP
TRPPTRC1_TRIP
TRPPTRC2_TRIP
CCBRBRF1_TRBU
CB Open 1
CB Close
TPGAPC1
IN1 OUT1
IN2 OUT2
TPGAPC7
IN1 OUT1
IN2 OUT2
TPGAPC6
IN1 OUT1
IN2 OUT2
TPGAPC5
IN1 OUT1
IN2 OUT2
TPGAPC4
IN1 OUT1
IN2 OUT2
TPGAPC3
IN1 OUT1
IN2 OUT2
TPGAPC2
IN1 OUT1
IN2 OUT2
CBXCBR_EXE_CL
CB Open 2
GUID-7460958A-CAC2-40A0-917E-AAFD885C806B V1 EN
Figure 30: SELGAPC3
SELGAPC4SELGAPC4 is used to configure the OSWGAPC outputs to LEDs. Master trip
signals are connected to SELGAPC4 via TRPPTRC. Start, trip and alarm signals
are connected to SELGAPC4 directly. SELGAPC4 outputs are connected toprogrammable LED1 to LED8.
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SELGAPC4
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
IN_12
IN_13
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
OUT_8
IN_14
IN_15
IN_16
IN_17
IN_18
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Start 1
Start 2
Start 3
Start 4
Trip 1
Alarm 1
Trip 2
Trip 3
Trip 4
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
OSWGAPC11_OUT
OSWGAPC12_OUT
OSWGAPC13_OUT
OSWGAPC14_OUT
OSWGAPC15_OUT
OSWGAPC16_OUT
OSWGAPC5_OUT
OSWGAPC6_OUT
OSWGAPC7_OUT
OSWGAPC8_OUT
OSWGAPC9_OUT
OSWGAPC10_OUT
OSWGAPC3_OUT
OSWGAPC4_OUT
CCBRBRF1_TRBU Backup Trip
CB Close
CB Open 1CBXCBR_EXE_OP
TRPPTRC1_TRIP
CBXCBR_EXE_CL
TRPPTRC2_TRIP CB Open 2
GUID-ACEEEFCD-3CA8-4157-BD3E-1A3A6FD8AD1B V1 EN
Figure 31: SELGAPC4
Master trip OSWGAPCsOSWGAPC1 and OSWGAPC2 are used to route the protection function operate
signals to Master trip. OSWGAPC1 and OSWGAPC2 have the same inputs from
the protection function operates. The output is connected to the TRPPTRCfunction. The default connections for OSWGAPC1 and OSWGAPC2 are different.
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OSWGAPC1
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
OUT
EFHPTOC1_OPERATE
CCBRBRF1_TRRET
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
TRPPTRC 1_OPERATEMaster trip 1
GUID-C9E4582D-E2A6-4F08-9F45-E2DDF5549526 V1 EN
Figure 32: OSWGAPC1
OSWGAPC2
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
OUT
EFHPTOC1_OPERATE
CCBRBRF1_TRRET
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
TRPPTRC 2_OPERATEMaster trip 2
GUID-58E5C510-F4F4-48A6-A334-C463F463FAB5 V1 EN
Figure 33: OSWGAPC2
Start OSWGAPCsOSWGAPC instances 3 to 6 are used to configure the protection start signals.
These four OSWGAPCs have the same inputs from the protection function start
signals. The output is routed to SELGAPC3 via TPGAPC timer and to SELGAPC4
directly.
OSWGAPC3
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_START
HIPDIF1_START
EFLPTOC1_START
HIPDIF3_START
HIPDIF2_START
TPGAPC1_IN1
SELGAPC4_IN_5Start 1
GUID-3E6D87B9-F5F4-45E6-BD3D-180132AB6953 V1 EN
Figure 34: OSWGAPC3
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Start 2 TPGAPC1_IN2
SELGAPC4_IN_6
OSWGAPC4
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_START
HIPDIF1_START
EFLPTOC1_START
HIPDIF3_START
HIPDIF2_START
GUID-96AAE2FE-0993-4797-AF9A-A59E1BDB1557 V1 EN
Figure 35: OSWGAPC4
Start 3 TPGAPC2_IN1
SELGAPC4_IN_7
OSWGAPC5
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_START
HIPDIF1_START
EFLPTOC1_START
HIPDIF3_START
HIPDIF2_START
GUID-EB5F5E18-7137-4ED8-9D38-B5676EA20C67 V1 EN
Figure 36: OSWGAPC5
Start 4 TPGAPC2_IN2
SELGAPC4_IN_8
OSWGAPC6
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_START
HIPDIF1_START
EFLPTOC1_START
HIPDIF3_START
HIPDIF2_START
GUID-C924A4BA-AC97-420E-B676-C8C176D19B62 V1 EN
Figure 37: OSWGAPC6
Trip OSEGAPCsOSWGAPC instances 7 to 10 are used to configure the protection operate signals
that belong to the trip group. These four OSWGAPCs have the same inputs from
the operate signals of the protection functions. The output is routed to SELGAPC3
via TPGAPC timer and to SELGAPC4 directly.
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Trip 1 TPGAPC3_IN1
SELGAPC4_IN_9
OSWGAPC7
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_OPERATE
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
GUID-578079DE-E1D7-4F59-A45F-9809AEE5D316 V1 EN
Figure 38: OSWGAPC7
Trip 2 TPGAPC3_IN2
SELGAPC4_IN_10
OSWGAPC8
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_OPERATE
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
GUID-4FC22392-CF64-4B6E-B015-A41720B2155F V1 EN
Figure 39: OSWGAPC8
Trip 3 TPGAPC4_IN1
SELGAPC4_IN_11
OSWGAPC9
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_OPERATE
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
GUID-A21FDE7D-FC0E-4957-B55A-E372C4622BA0 V1 EN
Figure 40: OSWGAPC9
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Trip 4 TPGAPC4_IN2
SELGAPC4_IN_12
OSWGAPC10
IN_1
IN_2
IN_3
IN_4
IN_5
OUT
EFHPTOC1_OPERATE
HIPDIF1_OPERATE
EFLPTOC1_OPERATE
HIPDIF3_OPERATE
HIPDIF2_OPERATE
GUID-AB3796EF-B15B-4007-B4CA-FD7CEA0C111A V1 EN
Figure 41: OSWGAPC10
Alarm OSEGAPCsOSWGAPC instances 11 to 16 are used to configure the alarm signals that belongto the alarm group. These six OSWGAPCs have the same inputs from the alarm
signals. The output is routed to SELGAPC3 via TPGAPC timer and to SELGAPC4
directly.
Alarm 1 TPGAPC5_IN1
SELGAPC4_IN_13
OSWGAPC11
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-5ADF1ED1-B09A-45E0-9CBB-B51884694F25 V1 EN
Figure 42: OSWGAPC11
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Alarm 2 TPGAPC5_IN2
SELGAPC4_IN_14
OSWGAPC12
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-34F14C25-B0E0-4F04-8497-79F61F419523 V1 EN
Figure 43: OSWGAPC12
Alarm 3 TPGAPC6_IN1
SELGAPC4_IN_15
OSWGAPC13
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-EAAD4D7D-53DB-4B8B-BB92-4ECD6D0E577F V1 EN
Figure 44: OSWGAPC13
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Alarm 4 TPGAPC6_IN2
SELGAPC4_IN_16
OSWGAPC14
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-41241979-58B4-4C96-8B31-5560C6EC5D53 V1 EN
Figure 45: OSWGAPC14
Alarm 5 TPGAPC7_IN1
SELGAPC4_IN_17
OSWGAPC15
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-11D24650-BED9-487F-B267-2290293D9541 V1 EN
Figure 46: OSWGAPC15
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Alarm 6 TPGAPC7_IN2
SELGAPC4_IN_18
OSWGAPC16
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_9
IN_10
IN_11
OUT
TCSSCBR1_ALARM
TCSSCBR2_ALARM
TRPPTRC1_CL_LKOUT
TRPPTRC2_CL_LKOUT
HZCCRDIF1_ALARM
RDRE_TRIGGERED
CCBRBRF1_TRBU
CCBRBRF1_TRRET
SELGAPC1_OUT_6
HZCCRDIF3_ALARM
HZCCRDIF2_ALARM
External Trip
GUID-FD9EDBEE-F36B-4128-8D8C-3BFCB7E6967F V1 EN
Figure 47: OSWGAPC16
3.5.4.4 GOOSEIn the configuration, there are 20 GOOSERCV_BIN functions. Each
GOOSERVC_BIN function can be connected to one received binary GOOSEsignal. The signal connection can be configured in PCM600.
GOOSERCV_BIN instances 0 and 1 are used for blocking protection
functions. Signals from these two GOOSERCV_BINs are connected to
ISWGAPC9. ISWGAPC9 is used to configure which protection function block
is blocked.
GOOSERCV_BIN instances 2 and 3 are used for tripping from GOOSE.
Signals from these two GOOSERCV_BINs are connected to TRPPTRC1 and
TRPPTRC2 trip.
GOOSERCV_BIN instances 4 to 19 are used for blocking the circuit breaker
operation. Signals from these 16 GOOSERCV_BINs are connected to
ISWGAPC10. ISWGAPC10 is used to configure the GOOSE input signal to
block the circuit breaker open or close operation.
1MRS757455 A Section 3REB611 standard configuration
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GOOSERCV_BIN:1
GOOSERCV_BIN:0
OR ISWGAPC9GOOSE Blcoking
GOOSERCV_BIN:3
GOOSERCV_BIN:2
OR
GOOSE
External Trip
GOOSERCV_BIN:5
GOOSERCV_BIN:4
GOOSERCV_BIN:19
OR ISWGAPC10GOOSE Block CB
HIPDIF1_BLOCK
HIPDIF2_BLOCK
HIPDIF3_BLOCK
EFLPTOC1_BLOCK
EFHPTOC1_BLOCK
HZCCRDIF1_BLOCK
HZCCRDIF2_BLOCK
HZCCRDIF3_BLOCK
CBXCBR1_BLK_CLOSE
CBXCBR1_BLK_OPEN
TRPPTRC1_OPERATE
TRPPTRC2_OPERATE
GUID-F0B9A987-3F7E-4180-BA29-99A3F602B38E V1 EN
Figure 48: GOOSE overview
ISWGAPC9ISWGAPC9 is used to configure which protection functions can be blocked by thereceived GOOSE signals. ISWGAPC9 inputs are received GOOSE signals from
GOOSERCV_BIN:0 and GOOSERCV_BIN:1. The outputs are connected to the
block inputs of the protection functions.
GOOSE Blocking
ISWGAPC9
IN
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
OUT_8
HIPDIF1_BLOCK
HIPDIF2_BLOCK
HIPDIF3_BLOCK
EFLPTOC1_BLOCK
EFHPTOC1_BLOCK
HZCCRDIF1_BLOCK
HZCCRDIF2_BLOCK
HZCCRDIF3_BLOCK
GOOSERCV_BIN:0_OUT
GOOSERCV_BIN:1_OUT
GUID-C0121EA1-DD3D-428C-BEB9-2B7613F1DC46 V1 EN
Figure 49: ISWGAPC9
Section 3 1MRS757455 AREB611 standard configuration
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ISWGAPC10ISWGAPC10 is used to block the circuit breaker operation from the received
GOOSE signals. ISWGAPC10 inputs are received GOOSE signals from
GOOSERCV_BIN:4 to GOOSERCV_BIN:19. The outputs are connected to block
the circuit breaker close and open operation.
ISWGAPC10
INOUT_1
OUT_2
CBXCBR1_BLK_CLOSE
CBXCBR1_BLK_OPEN
GOOSERCV_BIN:4_OUT
GOOSERCV_BIN:5_OUT
GOOSERCV_BIN:6_OUT
...
GOOSERCV_BIN:19_OUT
GOOSE Blocking CB
GUID-8A11DD7B-6921-48B4-8AA6-5077E822E3BD V1 EN
Figure 50: ISWGAPC10
1MRS757455 A Section 3REB611 standard configuration
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50
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Section 4 Requirements for measurementtransformers
4.1 Current transformers4.1.1 Current transformer requirements for differential protection
The sensitivity and the reliability of the protection depends on the characteristics of
the current transformers. The CTs must have an identical transformation ratio. It is
recommended that all the CTs have an identical constructions, that is, they have an
equal burden and characteristics and are of the same type, preferably from the same
manufacturing batch. If the CT characteristics and burden values are not equal,
calculations for each branch in the scheme should be performed separately and the
worst-case results should be used. In Figure 51, the CT winding resistance and the
burden of the branches are not equal, and hence, the maximum burden equal to 3.2
should be used for calculating the stabilized voltage.
1MRS757455 A Section 4Requirements for measurement transformers
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GUID-125D0534-32F1-4E09-8A34-CBF36D547735 V1 EN
Figure 51: High-impedance busbar differential protection with different CT
burden value on each feeder
First, the stabilizing voltage, that is, the voltage appearing across the measuring
branch during the out-of-zone fault, is calculated assuming that one of the CTs
connected in parallel is fully saturated. The stabilizing voltage can be calculated
using the formula:
U I
nR Rs
kin m= +
max ( )
GUID-6A4C58E7-3D26-40C9-A070-0D99BA209B1A V1 EN (Equation 1)
Ikmax the highest through-fault current in primary amps. The highest earth-fault or short circuit current
during the out-of-zone fault.
n the turns ratio of the CT
Rin the secondary winding resistance of the CT in ohms
Rm the resistance (maximum of Rin+ Rm) of the CT secondary circuit in ohms
Section 4 1MRS757455 ARequirements for measurement transformers
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The current transformers must be able to