Customer benefits

• Cost effective solution due to reduced inter-wiring

• Flexible programming allowing relays and newprotection functions to beadded without affectingphysical wiring

• No external protocolconverters are required

AREVA T&D

IEC 61850 in MiCOM RelaysInteroperability for Advanced Protection and Control

PROTECTION

APPLICATIONS USING MiCOM RELAYS

IEC 61850 is the global standard for communication insubstations. It enables integration of all protection,control, measurement and monitoring functions withina substation, and additionally provides the means forhigh-speed substation protection applications,interlocking and intertripping.It combines the convenience of Ethernet with theperformance and security which is essential insubstations today.

AREVA T&D is now offering an optional IEC 61850-8-1 interface on the majority of MiCOM relays, coveringapplications for feeder, distance, line differential, busbar, generator, phase comparison and transformer protection.

The comprehensive implementation facilitates integration of the MiCOM relays into IEC 61850-based SubstationAutomation Systems, including our PACiS system, over the IEC 61850 8-1 Substation Bus, and at the same timeallows the interface with our own or other vendors' Merging Units over the IEC 61850 9-2 Process Bus, thuscompleting AREVA T&D Automation's offer of a full IEC 61850 solution for your substation.

AREVA T&D do not put a premium price on this new substation communication technology. IEC 61850-enabledMiCOM relays are fitted with an integral Ethernet card providing both copper and fiber Ethernet. No externaladaptors or data concentrators are necessary; only standard Ethernet equipment such as switches (substation-grade switches, offering extremely fast reconfiguration for a single fiber failure in a ring topology, can be suppliedby AREVA T&D).

AREVA provides solutionsthat allow the migrationfrom conventional ordifferent legacy SubstationAutomation Systems to IEC 61850 based systems.Relays that support othercommunication protocolscan be integrated using"proxy" servers.

> True InteroperabilityThe self-descriptive nature of IEC 61850-compatibleIEDs means that system integration andcommissioning are easier.

Standardized data classes and services mean IEC61850-enabled MiCOM IEDs can operate seamlesslyin multi-vendor environments.

> UniformityOne protocol is all that is needed in the substation.Costly gateways and split path communications arethus avoided.Peer-to-peer messages, control commands,disturbance files transfer or event driven reports areinterleaved on a single Substation Bus network.

Multiple clients can be integrated, allowing authorizedoperators and engineers to interrogate and controlthe substation IEDs.

> Simplified Engineering ProcessThe Substation Configuration Language defined inthe standard represents a leap in the engineeringprocess related to any type of substation automationapplication.

It is based on a standardized abstract object modelthat allows the development of substationspecification, configuration, analysis and testingtools.

MiCOM CAPABILITY

The IEC 61850 interface of the MiCOM relays hasbeen designed to deliver a very comprehensiveimplementation of IEC 61850. An overview of thecapability of the first phase of implementation isoutlined in Table 1.

IEC 61850 OFFERS THE FOLLOWING BENEFITS TO UTILITIES AND INDUSTRIAL USERS:

> High Speed Data ExchangeEthernet links operating at 100 Mbit/s exchangepolled data and commands between devices at a farfaster rate than traditional serial/ fieldbus protocols.Clients (master stations) can perform supervisorycontrol with negligible delay.

Client-Server replaces Master-Slave communicationsand allows simultaneous access of several clients tothe same server (IED).

> Peer-to-Peer Message (GOOSE)Generic Object-Oriented Substation Event (GOOSE)messages can be used for interlocking, disturbancerecording cross-triggering, breaker failure protectiontripping, directional comparison bus protection andmany other advanced applications, thus eliminatingextensive hardwiring in equipment bays and soreducing the cost of implementing advanceddistributed protection and control schemes. TheAREVA implementation of the IEC GOOSEmessaging provides faster end-to-end transfer thanusing hardwiring!

> Process Bus InterfaceAnalog interface units (or Merging Units) located inthe substation yard interface with conventional ornon-conventional instrument transformers and sendthe sampled current and voltage values over fiber,thus significantly reducing (actually eliminating) thecopper wires between the substation primaryequipment and the protection, control and measuringdevices.

> Standard Bay Schemes Economies of scale will result where standardprotection and control bay schemes are engineered.The exact customizing of the scheme to suit theapplication is achieved in software, using GOOSElogic.

Relay Series

Px3x Px4x

IEC 61850 Functions

Object model covering IED measurements, protection, control and recording functions • •Unbuffered Reports (on change of state / deadband) • •Disturbance Record file transfer • •GOOSE • •SNTP time synchronization • •Support for up to 16 Ethernet clients • •

Support Tools

IED Configurator software per IEC 61850-6 • •Protection & logic settings over Ethernet using MiCOM S1 Setting Software • •

Table 1 Implementation

The MiCOM S1 Support Software allows configurationfor the protection and logic settings, and for control andmonitoring of IEC 61850-enabled MiCOM relays, eithervia a serial or an Ethernet connection, whether or notan IEC 61850-based control system is present.

The MiCOM S1 Support Software also provides an IEDConfigurator tool. Its primary purpose is to manipulateconfiguration, based on the SCL files produced withinthe system engineering process of an IEC 61850-based system, and send it to a MiCOM relay. To satisfythe requirements of manual configuration at pre-commissioning stage, the possibility to create a blankconfiguration based on the MiCOM relay's capability(ICD) file is also available. Other features of the IEDConfigurator allow for the extraction of configuration forviewing or modification and error checking ofconfiguration data for pre-commissioning validation ofthe MiCOM relay configuration.

IEC 61850 SUPPORT IN MiCOM RELAYS

Many of the MiCOM relays are available with theoptional IEC 61850-8-1 interface, as shown in Table 2below. IEC 61850 is also supported as standard inMiCOM C264 control / bay module devices, andAREVA T&D has many references for PACiS systemsusing IEC 61850.

Figure 1 IED Configurator tool

Application Relay Types

Feeder Management (One Box Solution) P139

Feeder Management P132, P141, P142, P143, P144, P145

Generator Protection P341, P342, P343, P344, P345

Distance Protection (One Box Solution) P439

Distance Protection P433, P435, P437, P442, P443, P444

Rail Protection P138, P436, P438, P638

Line Differential + Distance Protection P543, P544, P545, P546

Phase Comparison Protection P547

Transformer Differential Protection P631, P632, P633, P634

Busbar Protection P741, P743

Table 2 Availability

IEC 61850:MiCOM and PACiS working in harmony

Our policy is one of continuous development. Accordinglythe design of our products may change at any time. Whilstevery effort is made to produce up to date literature, thisbrochure should only be regarded as a guide and isintended for information purposes only. Its contents do notconstitute an offer for sale or advise on the application ofany product referred to in it. We cannot be held responsiblefor any reliance on any decisions taken on its contentswithout specific advice.

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AREVA T&D Worldwide Contact Centre:http://www.areva-td.com/contactcentre/Tel.: +44 (0) 1785 250 070

www.areva-td.comwww.areva-td.com/protectionrelays

AREVA Track Record - Ethernet communication

>> Over 350 PACiS Substation Automation Systems using UCA2 or IEC 61850

>> First UCA2 relays delivered in 2000

>> Interoperability demonstrations at CIGRE 2004, 2006 and other exhibitions

>> 10 years of active participation in IEC and UCA working groups