Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into...

17
Protection relays www.vamp.fi

Transcript of Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into...

Page 1: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Protection relays

www.vamp.fi

Page 2: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Vamp Ltd

Vamp Ltd, with a strong experience of designing protection devices,

is an independent supplier of protection relays and monitoring equipment.

The company has an established reputation when it comes to bringing new

thinking and expertise into the field of electrical industry. Within a short time

we have become the world leader in certain low and medium voltage

protection and monitoring product areas.

Company info

Vamp Ltd is a well-known supplier of

innovative and quality products in thefield of medium and low voltage

distribution systems and power

generation.

Our key know-how consists of intelligentmeasuring-, controlling- and protection

devices. Streamlined organisation

combined with the ability to listencustomer needs have made the

designing of high quality products

possible. Innovative features give nowmore benefits to end-user than ever

before, thanks to a fully numerical

approach.

Business idea

Vamp Ltd is an expert in designing and

marketing protection, control and

monitoring equipment. Our userfriendlyproducts are used in generation,

distribution and utilization of electrical

power.

We have a good reputation when it

comes to implementing innovativeproduct features based on customer

needs.

Our products are marketed worldwide to

brand label customers, OEM customers,

distributors and end-users.

Vamp Ltd manufactures quality products

at competitive prices with short deliverytimes.

200-series protection relay

100-series protection relay

Page 3: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

The VAMP protection relays include all the main properties you have been

used to see in the medium voltage distribution protection systems.

Additionally the relays include a number of other innovative and unique

features. The following basic functions are the same in all relays.

Basic features

Comprehensive and versatile setting

and programming possibilities.

Programmable blocking and output

matrix.

Disturbance recorder and evaluation

software

Several communication protocols are

available in the relays.

Continuous self-supervision.

Robust metal enclosure.

Wide auxiliary supply voltage range.

Two mechanical sizes: 100-serie and

200-serie.

Unique features

All VAMP overcurrent relays can be

equipped with arc sensors. The

sensors are installed, for instance, inthe cable compartment of the

outgoing feeders.

Thanks to optional integrated

transducers, any measured and

calculated values can freely beconnected to the mA outputs.

Maximum demand measurementquantities and disturbance recorder

are available for load profiling and

fault evaluation.

User Interface

Settings, parameters and metered values

are accessible from the front panel. Thesame values are also available via the PC-

connection on the front panel of the relays.

The Windows compatible, free of charge,VAMPSET software package can be used

with all VAMP protection relays and the

power monitoring unit (VAMP 260).

Informative a eight row Human-Machine-

Interface in the VAMP 200 series relays.

Selective arc protection

Features

Page 4: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Communication protocols, VAMPSET setting, configuration and

disturbance evaluation software

VAMP protection relays and the power monitoring unit can be connected to

an automation system utilizing of the various communication protocols used

in industrial and utility applications. IEC 60 870-5-103, SPA bus, MODBUS RTU,

Modbus/TCP and Profibus DP protocols are supported.

ABB’s SPA bus communication protocol

is widely used at powerdistribution substations in utility andindustrial applications.

Profibus DP protocol is widely used for theprocess control as well as for the power

distribution monitoring and control in theprocess industry.

VAMP protection relays can be connectedto the Ethernet network via the Modbus/TCP protocol.

VAMPSET software is compatible with Windows XP /

2000 / NT / 98 / 95 operating system.

Configuration and on-line

monitoring of the VAMP

protection relays and powermonitoring units can either be

done via display or using the

VAMPSET software. The samesoftware supports evaluation of

disturbance recorder files from

the VAMP protection relays. Theprogram is free and can be

downloaded from our home

page at

http://www.vamp.fi

In this example VAMP protection relays areconnected to a MODBUS network. PLC is amaster for the system.

Page 5: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Arc Protection System type VAMP 220/VAMP 221

Vamp Ltd is a world leader in supplying arc protection systems. The VAMP 220/

VAMP 221 is ideal for both retrofitting old switchgear as well as installing in new

designs. This will improve the safety for equipment as well as personnel.

Application example and features

Traditional overcurrent relay isnot fast enough to protect the

switchgear against an arc fault.

Arc protection with both current and light trippingcriterias is used to limit the damages to a minimum.

� Support for current loop

point sensor and fiber

optic loop sensor (221)� Can be configured to trip

on light criteria only (221)

� Designed according toprotection relay standards

� Fullfils relevant EMC

standards� Fault location indicated

� Portable sensor

� Double trip criteria� Continuous selfsupervision

� Full selectivity even in

complex multizoneapplications

� Easy to apply and install

� Circuit breaker failureprotection

� Easy to retrofit

� Can share light and currentinformation between

VAMP arc protection

systems and relays� Four zone support (221)

Page 6: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Overvoltage, undervoltage and frequency relay VAMP 135

The VAMP 135 represents a very cost-effective protection scheme. The relay

includes a combination of voltage and frequency functions and is ideal for

power plants, utilities and industrial applications.

� Three overvoltage stages

� Three undervoltage stages� Two residual overvoltage

stages

� Two overfrequency stages� Two underfrequency stages

Protection functions

� Circuit breaker failure

protection

� Disturbance recorder� Trip circuit supervision

Application example Connection modes

Phase mode

� The relay is connected to

phase voltages UL1

, UL2

and UL3

.� The line voltages are calculated

using the measured phase

voltages.� The residual voltage is calculated

using the measured phase

voltages.� No open-delta transformer is

needed.

Line mode

� The relay is connected to linevoltages U

12, U

23 and U

31.

� The residual overvoltage stages

U0> and U

0>> are not available.

Line mode + U0

� The relay is connected to line

voltages U12

, U23

and to a

residual voltage U0.

� The non-measured line voltage

U31

is calculated using the two

measured line voltages.

Page 7: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

The combined overcurrent and earth fault relay VAMP 140 is a cost effectiverelay for overcurrent, short circuit and earth fault protection. The possibility toconnect arc sensors to the relay and transfer light information to other relaysadds a new dimension to the protection schemes.

Protection functions

Application example and features

Overcurrent and earthfault relay VAMP 140

� Circuit breaker failure

protection� Disturbance recorder

� Trip circuit supervision

� Arc fault protection (option)

� Three overcurrent stages� Three earth fault stages

� One sensitive earth fault

stage� Current unbalance stage

� Thermal overload stage

The last fifty events are stored in

the memory of the relay and the

event information includes time

and fault current. Pre-fault

current, fault type and elapsed

time are stored from the last

eight events.

15 minutes average and

maximum current values are

available in the relay.

Measured and calculated values

can be connected to the freely

scalable mA output (option).

Integrated arc protection speed-

up tripping when light and

current criterias are valid

simultaneously.

Page 8: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Motor protection relay VAMP 150

The calculated motor

temperature is based on

the actual motor load.

The calculated temperature

value, in percentage of trip

limit, is available on the front

panel display.

The estimated remaining

time, with constant load, to

trip is shown to the user on

the display.

The relay is optionally pro-

vided with one analogue

mA output representing any

measured or calculated

value.

Arc sensor interface (option)

enable connection of arc

sensors located for instance

in the cable compartment.

Protection functions

Application example and features

Motor protection relay type VAMP 150 is a cost-effective protection unit with

all the basic protection functions needed for low and medium voltage motors.

The relay is used to protect circuit breaker controlled three phase AC motors.

� Thermal overload stage

� Three overcurrent stages� Two earth-fault stages

� One undercurrent stage

� Phase unbalance stage� Current unbalance stage

� Frequent starts supervision

� Start-up supervision

and stall protection� Circuit breaker failure

protection

� Trip circuit supervision� Arc fault protection (option)

� Disturbance recorder

Page 9: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Generator protection relay VAMP 210

The flexible multi-stage protection functions, many communication protocols

and various auxiliary functions make the VAMP 210 perfect for small and

medium sized generators.

The generator protection relaytype VAMP 210 is suitable for

solidly as well as high or low

resistance grounded systems.

The relay combines a selective

ground fault protection, includ-ing back-up function, and a

busbar earth fault protection.

The selective directional earthfault protection is used in high

resistance earthed systems.

Low resistance or solidlyearthed systems are using

differential earth fault protec-

tion.

� Current unbalance stage

� Loss of excitation stage� Two reverse power stages

� Two overvoltage stages

� Two undervoltage stages� Two overfrequency stages

� Two underfrequency stages

� Arc fault protection (option)� Disturbance recorder

� Circuit breaker failureprotection

All protection stages can be in simultaneous use.

Application example and features

Protection functions

� Three overcurrent stages

� One overcurrent stage withvoltage restraint

� Under impendance

� Four non-directional earth-fault stages

� One directional earth-fault

stage� Two residual overvoltage

stages� Thermal overload stage

Page 10: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Bias characteristics of the differential stage.

Differential protection relay VAMP 265

The flexible protection functions, many communication protocols and various

auxiliary functions make the VAMP 265 perfect for differential protection of

transformers, generators and motors.

� Trip circuit supervision

� Arc fault protection (option)� Disturbance recorder for

analysing the inrush and

fault situations

Application example and features

� Dual slope bias characteristics

� Selectable second harmonicblocking

� Fast operating time

� High stability against faultsoccurring outside protectionarea

� Current inputs with widedynamic range

� Measures short-circuit currentsup to 50*I

N

Protection functions

� Three phase biased

differential stage� Three phase differential stage

� One overcurrent stage

� Two earth-fault stages� Circuit breaker failure

protection

I load

IN

Page 11: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Directional overcurrent and earth-fault relay VAMP 230

The comprehensive protection functions, many communication protocols and

various auxiliary functions make the VAMP 230 perfect for utility, industrial,

marine and off-shore power distribution applications.

� Two undervoltage stages

� Unbalance protection� Thermal overload stage

� Circuit breaker failure

protection� Trip circuit supervision

� Arc fault protection (option)

� Disturbance recorder

Application example and features

The directional overcurrent

and directional earth-faultrelay VAMP 230 is used for

protection of one of several

parallel lines or incomingfeeders at the stations in a

ring network.

VAMP 230 relay has

optionally four mA outputs

for representing measured orcalculated values.

Protection functions

� Four directional overcurrent

stages� Two overcurrent stages

� Two directional earth-fault

stages� Two earth-fault stages

� Two residual overvoltage

stages

Page 12: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Feeder protection relay VAMP 245

The combined overcurrent, earth-fault, phase unbalance, residual voltage,

thermal overload and auto-reclose relay type VAMP 245 is typically used for

protecting overhead feeders. Disabling the autorecloser the relay is suitable

for industrial applications as well.

� Inrush detector

� Thermal overload� Circuit breaker failure

protection

� Arc fault protection (option)� Multi-shot autorecloser

� Disturbance recorder

Application example and autoreclose features

The overcurrent and directional earth-fault relay

type VAMP 245 is used for protecting out-goingfeeders.

� Five shot scheme

� Settable reclaim times

� Start and fail counters� Shot counters for each shot

� Autoreclose starting is fully

configurable and can beinitiated by

� any start signal

� any trip signal� any digital input

� Status indication of circuit

breakers, disconnectorsand earthing switches

� Control of circuit breaker

Protection functions

� Three overcurrent stages

� Two earth-fault stages� Two directional earth-fault

stages

� Phase unbalance stage� Two residual voltage stages

Page 13: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Feeder manager relay VAMP 255

The feeder manager relay is used for applications where combined protec-

tion, remote and local control, measurement, alarming and status indication

functions are needed. The relay is suitable for industrial, power plant, utility

and secondary distribution installations.

� Phase and residual currents

� Line, phase and residualvoltages

� Active, reactive and

apparent power� Active and reactive energy

� Fault currents and voltages

� Fault reactance at shortcircuit fault

� Disturbance recorder� mA output (option)

� Configurable mimic

Control and indication

The VAMP 255 feeder man-

ager relay allows local andremote controlling of two

objects i.e. circuit breakers,

disconnectors and earthingswitches for intance. Control-

ling can be done with “select-execute” or “direct control”

principle.

Interlocking checks the condi-tions for safe controlling be-

fore the output pulse is issued.

Customer definedinterlockings are programmed

and downloaded in the relay

using the VAMPSET software

Protection functions

� Three overcurrent stages

� Two earth-fault stages� Two directional earth-fault

stages

� Phase unbalance stage� Two over and under voltage

stages

� Two residual voltage stages� Thermal overload stage

� Two over and underfrequency stages

� Circuit breaker failure

protection� Arc protection (option)

� Multi-shot autorecloser

Measurements

VAMP 255

IL1

IL2

IL3

I01I01

U0U0

L>

BI/O

I02I02

U12

U23

~

DI

DI

DI

DI

Blocking andoutput matrix

Autoreclosermatrix

VAMP 255

Remote

Local

Front

+

L1

L2

L3

Arc option

T1

T2

T3

T4

A1

A2

A3

A4

A5

IF

VAMP255_appl.1

U>

U>>

I >0

I >>0

ARCCBFP

I >2

3I>

3I>>

3I>>>

Auto Reclose

U<

U<<

f >

f >>

f <

f <<

Protection functions

3I>

3I>>

3I>>>

3I>>>>

I >0

I >>0

T >

U >0

U >0

U>>> U<<<

Page 14: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Power Monitoring Unit VAMP 260

The VAMP 260 power monitoring unit is a compact multifunction monitoring

device with extensive measuring and calculation functions. The unit is based

on the same hardware and software platform as the protection relays. The

setting and programming possibilities are comprehensive and versatile. The

VAMP 260 is perfect for utility, industrial, marine and off-shore power distribu-

tion management.

Typical installation

with VAMP 260

The power monitoring unit

VAMP 260 is connected to the

process control system as wellas the energy management

system.

The analogue mA outputs arecontrolling the meters.

VAMP VAMP

VAMP VAMP

The VAMP 260 is a robust and

accurate power monitoring

unit especially designed forpower plant applications.

The unit includes a compre-hensive set of functions.

All programming andmonitoring can be done with

the VAMPSET software pack-

age.

Precise measuring

� currents, voltages, frequency

Calculation

� active, reactive and apparent

power

� active and reactive energy� harmonics and THD of currents and

voltages

� programmable average valuecalculations

� four energypulse outputs

Transducer (4 pcs)

� for any measured or calculated

values

Alarm

� 6 freely configurable binary oranalogue channels

Communication

Disturbance recorder

Page 15: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Se ection Tab e for VAMP Protection Re ays Feeders Motors Special

Ver. 3.2 Generators

Protection and measurement

VA

MP

135

VA

MP

140

VA

MP

230

VA

MP

245

VA

MP

255

VA

MP

150

VA

MP

210

VA

MP

265

VA

MP

260

VA

MP

220

VA

MP

221

Type of fault IEEE Device No. IEC Symbol Protection function/measurementShort circuit 50/51 3I > Three-phase non-directional overcurrent, low-set stage, definite or inverse time x x x x x x

50/51 3l >> Three-phase non-directional overcurrent, high-set stage x x x x x x50/51 3l >>> Three-phase non-directional overcurrent, instantaneous stage x x x x

6I> Six-phase non-directional overcurrent, low-set stage x67 3l > ---> Three-phase directional o/c, low-set stage, definite or inverse time x x67 3l >> ---> Three-phase directional o/c, high-set stage, definite or inverse time x x67 3I >>> ---> Three-phase directional o/c, high-set stage x x67 3I >>>> ---> Three-phase directional o/c, high-set stage x x

Earth-fault 50/51N lo >/ SEF Non-directional earth-fault, low-set stage, sensitive, definite or inverse time x x x x x x50/51N lo >> Non-directional earth-fault x x x x x x50/51N lo >>> Non-directional earth-fault x50/51N I02 >, I02>> Non-directional earth-fault, second Io input x

I0>, I02> Non-directional earth-fault, separate inputs x67N lo > ---> / SEF Directional earth-fault, low-set stage, sensitive, definite or inverse time x x 67N lo >> Directional earth-fault, high-set stage, definite or inverse time x x67N lo > ---> / SEF Directional earth-fault, low-set stage, sensitive x x67N lo >> Directional earth-fault, high-set stage x59N Uo > Residual overvoltage, low-set stage x x x x x59N Uo >> Residual overvoltage, high-set stage x x x x x

Overload 49M Three-phase thermal overload (motors & generators) x x49F Three-phase thermal overload (feeders & cables) x x x x

Voltage 59 3U > Three-phase overvoltage, low-set stage x x x59 3U >> Three-phase overvoltage, high-set stage x x x59 3U>>> Three-phase overvoltage, stage x x

27 / 60 3U < Three-phase undervoltage, low-set stage / VT fuse failure x x x x27 3U << Three-phase undervoltage, high-set stage x x x x27 3U<<< Three-phase undervoltage, instantaneous stage x x

Arc protection 51 L> 3 I> / Io>, L > Electrical arc protection stage, point sensors, Optional x x x x x x x51 L > 3 I> / Io>, L> Electrical arc protection with point sensor slave x x51 L > 3 I> / Io>, L> Electrical arc protection with point, fiber or current sensors slave x

Additional functions 79 O --> I Auto-reclosure x x68 lf2 > Inrush detector x x46 I2/I1 > Phase unbalance / discontinuity x x x x46 I2 >> Phase sequence x46 I2 > Thermal unbalance x x48 IST > Stall protection x37 3I < Loss of load / under current x87 3 d I > Three phase biased differential stage, low-set stage, 2nd harmonic blocking x87 3 d I >> Three phase differential stage, high-set stage x66 N > Too frequent starting, multiple starts x

40 Q < Loss of excitation x32R P < <-- Reverse power x32R P << <-- Reverse power x

50BF CBFP Circuit breaker failure x x x x x x x x81H f >, f >> Over frequency x x x81L f <, f << Under frequency x x x51v IV > Voltage restrained or controlled overcurrent, underimpedance x

Alarm stages Six programmable analogue or digital alarm stages xDisturbance recording DR Disturbance recorder x x x x x x x x x

Type of measurementPrimary current 3I Three-phase current x x x x x x x x x x

3 d I > Three-phase differential current xlo Neutral current x x x x x x x xI2 Current unbalance x x x xIL Average and maximum demand current x x x

Primary voltage 3U Phase and line voltages x x x x xUo Residual voltage x x x x x xU2 Voltage unbalance x x

Short-circuit fault reactance Xfault Short-circuit fault reactance xFrequency f System frequency x x x x x x x x xPower P Active power x x x x

Q Reactive power x x x xS Apparent power x x x x

Energy E+, E- Active Energy, exported / imported x xEq+, Eq- Reactive Energy, exported / imported x x

Power factor PF Power factor x x x xHarmonics I 2nd to 15th and THD x x

U 2nd to 15th and THD x xAnalog mA output, 1 channel AO Any measured or calculated value, freely scalable, Optional x x xAnalog mA output, 4 channels AO Any measured or calculated value, freely scalable, Optional x x x x

ControlObject status indication Single line diagram, 6 objects xLocal and remote control Number of controllable objects 1 2Interlocking and logic Configurable x

Condition monitoringTrip circuit TCS Trip Circuit Supervision, using external resistor x x x x x x x x

CommunicationIEC 60870-5-103 x x x x x x x x xModbus TCP x x x x x x x x xModbus RTU x x x x x x x x xProfibus DP x x x x x x x x xSPA-bus communication x x x x x x x x xMan-Machine-Communication, display x x x x x x x x x x xMan-Machine-Communication, PC x x x x x x x x x

General functionsSelfsupervision x x x x x x x x x xAnnunciating, event generating and value recording x x x x x x x xMeasurement and parameter display x x x x x x x x x xReal time clock Year, month, day, hour, minutes, seconds, milliseconds x x x x x x x x

θθ

2Selection Table for VAMP Protection RelaysVer. 3.22

Page 16: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Technical data, VAMP protection relays

Main technical data

Auxiliary voltage, Uaux

Rated current IN

- current measuring range

Rated current

- current measuring range

Thermal withstand

Rated frequency fN

- frequency measuring range

Tests and environment

Emission

Immunity

Insulation test

Surge voltage

Vibration shock

Operating temperature

Relative humidity

40...265 V ac/dc (optionally 18...36 V dc)

1 A or 5 A

0...50 * IN

1 A or 5 A

0...5 * IN

4 * IN (continuous), 100 * I

N (for 1 s)

45...65 Hz

16...75 Hz

Standards

EN 55022

IEC 60255-22-1, IEC 60255-11, EN 61000-4-6, EN 61000-4-5,

EN 61000-4-4, EN 61000-4-3, EN 61000-4-2

IEC 60255-5

IEC 60255-5

IEC 60255-21-1

-10...+55°C<95 %, no condensation allowed

Wa

asa

Gra

ph

ics

20

03

/1

Page 17: Protection relays - TMStms.com.my/product/pdf/Protection-relay.pdf · thinking and expertise into the field of electrical industry. ... VAMP protection relays and the power monitoring

Selection Table for VAMP Protection Relays Feeders Motors SpecialVTEN004 12.08.2003 Generators

Protection and measurement

VAM

P 13

5VA

MP

140

VAM

P 23

0VA

MP

245

VAM

P 25

5

VAM

P 15

0VA

MP

210

VAM

P 26

5

VAM

P 26

0VA

MP

220

VAM

P 22

1

Type of fault IEEE Device No. IEC Symbol Protection function/measurementShort circuit 50/51 3I > Three-phase non-directional overcurrent, low-set stage, definite or inverse time x x x x x x

50/51 3l >> Three-phase non-directional overcurrent, high-set stage, definite time x x x x x x50/51 3l >>> Three-phase non-directional overcurrent, high-set stage, definite time x x x x

6I> Six-phase non-directional overcurrent, low-set stage, definite time x67 3l > ---> Three-phase directional o/c, low-set stage, definite or inverse time x x67 3l >> ---> Three-phase directional o/c, high-set stage, definite or inverse time x x67 3I >>> ---> Three-phase directional o/c, high-set stage, definite time x x67 3I >>>> ---> Three-phase directional o/c, high-set stage, definite time x x

Earth-fault 50/51N lo >/ SEF Non-directional earth-fault, low-set stage, sensitive, definite or inverse time x x x x x x50/51N lo >> Non-directional earth-fault, definite time x x x x x x50/51N lo >>> Non-directional earth-fault, definite time x50/51N I02 >, I02>> Non-directional earth-fault, second Io input, definite time x

I0>, I02> Non-directional earth-fault, separate inputs, definite time x67N lo > ---> / SEF Directional earth-fault, low-set stage, sensitive, definite or inverse time x x 67N lo >> Directional earth-fault, high-set stage, definite or inverse time x x67N lo > ---> / SEF Directional earth-fault, low-set stage, sensitive, definite time x x67N lo >> Directional earth-fault, high-set stage, definite time x59N Uo > Residual overvoltage, low-set stage x x x x x59N Uo >> Residual overvoltage, high-set stage x x x x x

Overload 49M θ Three-phase thermal overload (motors & generators) x x49F θ Three-phase thermal overload (feeders & cables) x x x x

Voltage 59 3U > Three-phase overvoltage, low-set stage x x x59 3U >> Three-phase overvoltage, high-set stage x x x59 3U>>> Three-phase overvoltage, stage x x

27 / 60 3U < Three-phase undervoltage, low-set stage / VT fuse failure x x x x27 3U << Three-phase undervoltage, high-set stage x x x x27 3U<<< Three-phase undervoltage, instantaneous stage x x

Arc protection 51 L> / 51N L> 3 I> / Io>, L > Electrical arc protection stage, point sensors, Optional x x x x x x x51 L> / 51N L> 3 I> / Io>, L> Electrical arc protection with point sensor slave x x51 L> / 51N L> 3 I> / Io>, L> Electrical arc protection with point, fiber or current sensors slave x

Additional functions 79 O --> I Auto-reclosure x x68 lf2 > Inrush detector x x46 I2/I1 > Phase unbalance / discontinuity x x x x46 I2 >> Phase sequence x46 I2 > Thermal unbalance x x48 IST > Stall protection x37 3I < Loss of load / under current x87 3 d I > Three phase biased differential stage, low-set stage, 2nd harmonic blocking x87 3 d I >> Three phase differential stage, high-set stage x66 N > Too frequent starting, multiple starts x40 Q < Loss of excitation x

32R P < <-- Reverse power x32R P << <-- Reverse power x

50BF CBFP Circuit breaker failure x x x x x x x x x81H f >, f >> Over frequency x x x81L f <, f << Under frequency x x x51v IV > Voltage restrained or controlled overcurrent, underimpedance x

Alarm stages Six programmable analogue or digital alarm stages xDisturbance recording DR Disturbance recorder x x x x x x x x x

Type of measurementPrimary current 3I Three-phase current x x x x x x x x x x

3 d I > Three-phase differential current xlo Neutral current x x x x x x x xI2 Current unbalance x x x xIL Average and maximum demand current x x x

Primary voltage 3U Phase and line voltages x x x x xUo Residual voltage x x x x x xU2 Voltage unbalance x x

Short-circuit fault reactance Xfault Short-circuit fault reactance xFrequency f System frequency x x x x x x x x xPower P Active power x x x x

Q Reactive power x x x xS Apparent power x x x x

Energy E+, E- Active Energy, exported / imported x xEq+, Eq- Reactive Energy, exported / imported x x

Power factor PF Power factor x x x xHarmonics I 2nd to 15th and THD x x

U 2nd to 15th and THD x xAnalog mA output, 1 channel AO Any measured or calculated value, freely scalable x x xAnalog mA output, 4 channels AO Any measured or calculated value, freely scalable, Optional x x x

ControlObject status indication Single line diagram, 6 objects xLocal and remote control Number of controllable objects 1 2Interlocking and logic Configurable x

Condition monitoringTrip circuit TCS Trip Circuit Supervision, using external resistor x x x x x x x x

CommunicationIEC 60870-5-103 x x x x x xModbus TCP x x x x x x x x xModbus RTU x x x x x x x x xProfibus DP x x x x x x x x xSPA-bus communication x x x x x x x x xMan-Machine-Communication, display x x x x x x x x x x xMan-Machine-Communication, PC x x x x x x x x x

General functionsSelfsupervision x x x x x x x x x x xAnnunciating, event generating and value recording x x x x x x x x xMeasurement and parameter display x x x x x x x x x x xReal time clock Year, month, day, hour, minutes, seconds, milliseconds x x x x x x x x x