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02MiCOM Px20, Px30, Px40Protection Relays

KEY FEATURES

TheMiCOMrangeofrelaysfullstherequirementsat

allvoltagelevelsfromLVtoEHVforIndustrial,

DistributionandTransmissionSystems.

COMMON FEATURES

1A/5AdualratedCTs

EventandDisturbanceRecording

Variouscasingandmountingoptions

RelayshaverearRS485portwithchoiceof

protocolsandfrontRS232forlocalsetting

Anumberofauxiliarysupplyanddigitalinput

voltageoptions

20SeriesRelays(Px2x)Itwillfullthebasicrequirementsofindustrial,

transmissionanddistributionsystemsproviding

simplicityandeaseofapplicationinawiderange

ofinstallations.

Scalablesolutionswheretypeandquantityofprotectionfeaturesismodeldependent

Flexiblelogicequationsavailableonmostmodels

Compacthardwareoptionsforeasyinstallation

Commonfunctionsthroughouttherange

Multi-languageHMI

AdvancedprotectionfunctionsonPhase2hardware

30SeriesRelays(Px3x)

Designedtomeettherigorousrequirementsof

MV,HVandEHVsystemswithparticularfocuson

feederandtransformerprotectionandcontrol.

ProtectionwithBaylevelcontroloptionstofacilitatefeedermanagement

Input/Outputquantityselectablebasedonrequirements

AnumberofRearPorthardwareoptionsavailablewithawiderangeofProtocolsselectableviasoftware

Protectionfunctionsavailableforunearthed/petersencoilearthedsystems

Surfaceandushmounted(incudingdetachableHMIoption)aswellascompactcasemodelsavailableintherange

FullProgrammableSchemeLogicandFunctionkeys

40SeriesRelays(Px4x)

Itwillfulltheprotectionrequirementsforawide

marketofMV,HV,EHVandindustrialsystems

andoffersawiderangeofprotectionfunctions. FullProgrammableSchemelogicavailable

withGraphicCongurationToolforeasysetting

ScalableInput/Outputhardwaredependingon

requirements

OperatingvoltageselectableviaSoftwarefor

Optoinputs

Hardwareaccessoriesavailableforeasy

mountinginracksorpanels.

APPLICATIONS

Px2xSeries

Theintegratedfunctionsreectthedifferent

requirementsinsystemprotection.Thepreferred

applicationsareasfollows:

P12x:UniversalOvercurrentprotectionfor

mainorback-upprotectiononMVandHV

systems

P22x:MotorProtectionSeriesforLVandMV

systems

P52x:LineDifferentialprotectionforMVand

HVsystemswithmultiplecommunication

options

P821:DedicatedBreakerFailureProtection

suitableforEHV,HVandMVsystems

P92x:Voltageandfrequencyprotection

suitableforgenerators,motorsandfeeders

Px3xSeries

30Seriesprotectiondevicesprovideawide

rangeofprotectionandcontrolfunctions

meetingstringentmarketsegments.Therange

isespeciallysuitableforpetersencoilearthing

requirements.Thepreferredapplicationsare:

P13x:Feedermanagementrelaysandone

boxsolutionforMVandHVsystems(including

railwayfeeder)

P43x:DistanceprotectionforMV,HVandEHV

systemsandrailcatenaryrequirements

P53x:LinedifferentialprotectionforMVand

HVsystems

P63x:Differentialprotectionfortransformers,

generatorsandmotors(includingrailway

transformers).

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Px4xSeries

40Seriesprotectiondevicesprovideawiderange

ofprotectionandcontrolfunctionsandmeetsthe

requirementsofawidemarketsegment.Thepreferredapplicationsare:

P14x:Feedermanagementrelaysuitablefor

MVandHVsystems

P24x:RotatingMachineManagementrelayfor

applicationonawiderangeofsynchronous

andinductionmachines

P34x:Generatorprotectionforsmallto

sophisticatedgeneratorsystemsand

interconnectionprotection

P44x:FullschemeDistanceprotectionrelays

forMV,HVandEHVsystems.

P54x:LineDifferentialprotectionrelaysfor

HV/EHVsystemswithmultiplecommunication

optionsaswellphasecomparisonprotection

forusewithPLC.

P74x:NumericalBusbarprotectionsuitablefor

applicationonMV,HVandEHVbusbars

P94x:Frequencyprotectionforloadshedding,

loadrestorationandgeneratorabnormal

detection

CONTROL

Programmableschemelogic

Simplelogicequationsaswellasblocklogicis

availableinanumberof20seriesrelays,

seegure1.

Powerfulgraphicallogicavailableinthe30and

40seriesrelaysallowstheusertocustomizethe

protectionandcontrolfunctionsoftherelay.Itis

alsousedtoprogramthefunctionalityoftheopto-

isolatedinputs,relayoutputs,LEDand

useralarms.

TheProgrammableSchemeLogiccanbeusedto

implementadditionalsupervisionfeatures,such

astripcircuitsupervisionorimplementcomplex

logicsuchasfrequencyrestorationschemes.

Schemeshavebeendevelopedcapableof

supervisingthetripcoilandcircuitwiththecircuit

breakeropenorclosed.

ThePx40gatelogicincludesOR,AND,NOTand

majoritygatefunctions,withtheabilitytoinvert

theinputsandoutputs,andprovidefeedback.A

numberofgeneralpurposelogictimersarealso

availableaswellasthosetimersusedtocondition

therelaycontacts.Thesystemisoptimized(event

driven)toensurethattheprotectionoutputs

arenotdelayedbythePSLoperation.

TheProgrammableSchemeLogiciscongured

usingthegraphicalMiCOMS1PCsoftware,as

showninFigure2

ThePx30logiccanbecreatedusingBoolean

Figure3,ProgrammablelogicforPx30

Figure2,ProgrammablelogicforPx40

Figure1,FlexiblelogicforPx20

Equationsoragraphicalinterfaceasshownin

gure3.

IndependentProtectionSettingsGroups

Uptotwosettinggroupsaresupportedinthe20

Serieswhereasthe30and40seriescanofferup

tofourindependentsettinggroups.Thesecan

beactivatedlocally,remotelyorviaadedicated

inputandareusedtoallowfordifferentsystem

operatingconditionsandwhereadaptiverelaying

isapplied.

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Measurement&PostFaultAnalysis

TheMiCOMRangeofrelaysarecapableof

measuringandstoringawiderangeofsystem

quantitiessuchasCurrent,Voltage,Frequency,

Poweretc.dependingontherelayfunctionality.

Allevent,faultanddisturbancerecordsaretimetaggedtoaresolutionof1msusingtheinternal

realtimeclockandarestoredinnon-volatile

memory.Asupervisedlithiumbatteryensuresthat

therealtimeclockandrecordsaremaintained

duringauxiliarysupplyinterruptions.

WhererelaysarecommunicatingtoaSCADA

system,theprotocolstelegramscanbeusedfor

externaltimesynchronizationoralternativelyan

optionalIRIG-Bportisavailableforaccuratetime

synchronizationonallPx30andPx40MiCOM

relays.Somerelayscanalsouseanoptoinputto

synchronizetherelaysclock.

PowerSystemMeasurement

Acomprehensivesetofmeasurementvalues

includinginstantaneousandderivedvaluesare

availableontherelays.

Thesemeasuredvaluescanbedisplayedon

thefrontLCDdisplayortransferredlocallyor

remotelyaspertheuserrequirements.

POST FAULT ANALYSIS

Eventrecords

Thesearegeneratedforstatuschangestologicinputsandoutputs,modicationstooneormore

settingparametersandalarmsignals.Allevents

aretime-taggedandstoredinchronological

orderinacyclicmemorywheretheoldestrecord

isoverwrittenoncetherelaysmaximumevent

countisexceeded.Thesearereadilyavailable

forviewingontheLCD,orextractionviathe

communicationports.

Figure4,OscillographyanalysisusingMiCOMS1Softwarefor

Optimumresults

Figure5,Atypicalsubstationcontrolsystem

Faultrecords

Atleast5recordsaresupportedonallrelays

andforeveryfault,thefollowinginformationis

capturedintherelayrecords

Afaultnumber

Thedateandtime

Theactivesettinggroup

Thefunctionthatissuedthetrip

Themagnitudeofthecurrent/voltagethatgaverisetothetripcommand

Disturbancerecords

Theinternaldisturbancerecorderwillrecord

thesampledvaluesofallanaloginputvariables

suchasphasecurrentsandvoltagesetc.where

applicableduringafault.Oscillographicanalysis

canbeperformedusingMICOMS1whichwill

providethemeanstoquicklyanalyseanaloganddigitalsignalsonthesametime-scale

forconvenience.Disturbancerecordscanbe

extractedfromtherelayviathecommunication

portsandsavedintheCOMTRADEformat.

RELAY COMMUNICATIONS

Asstandard,afrontcommunicationportis

availableforlocalaccesstotherelay.Anauxiliary

rearcommunicationportisavailableasanoption

onrelaysprovidinganengineeringportforeasy

accesstosettings,recordsandmeasurementsfor

protectionengineers.AmainrearcommunicationsportisalsoavailableforinterfacetoaSCADA

system.Anumberofprotocolsareavailableas

anoptionforthispurpose.

(Seecorteccodeforeachrelay)

SCADA

Interface

SCADAInterface

MasterClock(GPS)

IRIG-Bport

Modem(remoteaccess)

EAI232

(localaccess)

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SELF MONITORING

ComprehensiveSelfmonitoringprocedureswithin

thedeviceensurethatinternalhardwareand

softwareerrorsaredetectedthusensuringahigh

degreeofreliability.Automatictestsareperformed

duringstart-upandacyclicselfmonitoringtestsareperformedduringoperation.Anydeviations

arestoredinnon-volatilememoryandtheresult

ofthefaultdiagnosisdetermineswhethera

blockingofthedevicewilloccurorwhetheran

alarmisonlyissued.

MECHANICAL DESCRIPTION

Cases

TheMiCOMseriesrelaysarehousedina

speciallydesignedcaseprovidingahighdensity

offunctionalitywithintheproduct.Communication

portsandmodel/serialnumberinformationis

concealedbyupperandlowercovers.

Physicalprotectionofthefrontpaneluser

interfaceandpreventionofcasualaccessis

providedbyanoptionaltransparentfrontcover,

whichcanbettedoromittedaccordingtochoice,

sincethefrontpanelhasbeendesignedtoIP52

protectionagainstdustandwater

Thecasesaresuitableforeitherrackorpanel

mountingasshowninFig.9.

Anoptionforsurfacemountingisalsosupported

onthe30seriesrangeandacompactcaseoption

isavailableonafew20and30seriesrelaysfor

installationswithspacelimitations.

Takingintoaccountthedifferingcasewidths

-relayscanbecombinedwithorwithouttheuseofstandardblankingplatestoformacomplete

19mounting.Thissavesspaceandallowsfora

neatinstallation.

Wiring

Externalconnectionsaremadeviaringtype

terminalonallMiCOMrelayexceptonthe

compactcase.Thesetakepintypeterminals

alongwiththe30seriesrelaysasanoption.

P439

C

G

G

TRIP

ALARM

HEALTHY

EDIT MODE

X6

OUT OF SERVICE

F1

F2

F3

F4

GC

B

E

A

A

A

A(including

brackets)

C

D

B

F

B

D

GE

FRONT

VIEW

SIDE

VIEW

103240

(inc. wiring)

270

(inc. wiring)157.5

177

155139,8223

166,4249,6

155.2156

213.4

260.2253.6 177.5

184.5

434.8

227.9

481.6

260.2

481.6

257.1 177.5

206

240

(inc. wiring)

309.6 270

(inc. wiring)177

413.2

483

157.5 max

294.4

175.6

253310

88.5 162.5 294.4

Note: Maximum sizes for guidance only, for specific product information please check the relevant product

documentation. (All dimensions in mm)

In addition 24TE case variant available for P1321)

1)

A

Typical

case dimensions TableB C D E F G

20TE

Px20

30TE

40TE

40TE rack

84TE

84TE rack

40TEsurface

Px30

84TEsurface

40TE

60TE

80TEPx40

80TE rack

compact

Px20C/

Px30C

Compact

incl . brack.

Figure9,Typicalcasedimensions

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TECHNICAL DATA

Powersupplies

Awiderangeofpowersupplyoptionsare

availableattheorderingstage.

DigitalInputs

Awiderangeofoptoinputvoltagesaresupported

throughouttherange

Nominal Voltage

Vnom.

Operate Range (V)

DC AC

Px20

Ph 2

24-60Vdc 19.2-76Vdc -

48-250Vdc

48-240Vac38.4-300Vdc

38.4-264

Vac

Px20

Ph 1

24-60DC 19.2-72 -

48-150DC 38.4-180 -

130-250DC

100-250AC

104-300DC

-

-

80-275

125-250DC

100-250AC

100-300DC

-

-

80-275AC

Px3024DC

48-250DC

19-29

38-300

-

100-230

Px40

24-48DC 19-65 -

48-125DC 37-150 24-110

110-250 87-300 80-265

Auxiliary Voltage Digital Operating range (V)

Px20

Ph 2

24-250Vdc 19.2-300Vdc

24-240Vac 19.2-264Vac

Px20

Ph 1

24-60DC 15.2-60DC

48-150DC 25.6-180DC

130-250DC/

100-250AC38.4-300DC/38.4-275AC

125-250DC/

100-250AC84-174DC

48-150DC

130-250DC

25.6-180(ACimmune)

38.4-300(ACimmune)

Px30

Thresholds

StandardVariant

>18(Uaux.24-250VDC)

FurtherOptions

>73V(67%ofUaux.110VDC)

>90V(60-70%ofUaux.125/150VDC)

>146V(67%ofUaux.220VDC)

>155V(60-70%ofUaux.220/250VDC)

Px40

Vmin/Vmaxthresholds

24/27,30/34,48/54,110/125and220/250

(softwareselectable)

General Series Data Px20 Px20C Px30 Px30C Px40

Frequency50/60Hz X X X X X

Dualrated1A/5A X X X X X

CTthermalratings

continuous:4Inom

for10s:30Inom

for1s:100Inom

X X X X X

OptoInputs max8 max7 max.34 max2 max.24

OutputContacts max9. max8 max46 max8 max.46

Carry:continuous 5A 5A 5A 5A 10A

Makeandcarry 30Afor3s 30Afor3s 30Afor0.5s 30Afor0.5s 30Afor3sLEDIndication

(freelyprogrammable)8(4) 8(4)

23/18(forproductswith

textdisplay)17(12) 12(8)

FunctionKeys/HotKeys No 46(forproductswithtext

display)4

10functions/2hotkeys

(availableonsomemodels)

SettingsGroups 1/2 2 4 4 4(2)

FaultRecords 5/25* 5 8 8 5

EventRecords 75/250* 75 200 100 250-512

DisturbanceRecords 5(15smax) 8(24smax) 8(16.4smax) 8(16.4smax) 75smax.

Programmablelogic

Flexiblelogic

(availableon

somemodels)

SimpleANDlogic Fullyprogrammable Fullyprogrammable Fullyprogrammable

IRIGB No No Option Option Option

LCDDisplay Alphanumeric AlphanumericAlphanumeric/Graphical

(somemodelsonly)Alphanumeric Alphanumeric

FrontPort(RS232)Yes(most

models)Yes Yes Yes Yes

RearPort Yes Yes Yes,2ndrearportoptionYes,2ndrearport

optionYes,2ndrearportoption

Courier

EIA(RS)485

(availableon

somemodels)

No EIA(RS)485orber EIA(RS)485orberK-Bus/EIA(RS)485orber

(somemodelsonly)

Modbus EIA(RS)485EIA(RS)485/Glass

berEIA( RS) 485or ber EIA(RS)485orber

EIA(RS)485orber(some

modelsonly)

IEC60870-5-103 EIA(RS)485EIA(RS)485/Glass

berEIA( RS) 485or ber EIA(RS)485orber

EIA(RS)485orber(some

modelsonly)

IEC60870-5-101 No No EIA(RS)485orber EIA(RS)485orber No

DNP3.0

EIA(RS)485

(availableon

somemodelsonly)

No EIA(RS)485orber EIA(RS)485orberEIA(RS)485orber(some

modelsonly)

IEC61850 No No Availableonsomemodels No Availableonsomemodels

OneBoxBayControl

withMimicNo No

Yes(availableonsome

models)No No

Terminals Ring Pin PinorRingType Pin Ring

*AvailableonMiCOMphase2forP120,P122,P123,P125,P126,andP127

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1 4 4 4 4 4 4 1 4 4 4 4 2 4 5 5 5

- - - - - - - 1 1 3 3 4/5 1 4/5 3 3 3/4

5

42

5

3/4

2 2 3 7 5 - 5 4 7 7 2 40 16 40 8 16 32

5 5 7 8 9 2 7 7 9 9 8 32 24 32 7 15 30

- - - - - 1 1 - - - - - - - - -

- - - - - X X - - - -

-

- - - - - -

16

15

-

-

32

32

-

-

- - -

- - -

- - -

- - -

- - -

- - -

X - -

- X X

- X X

- - -

- - -

- - -

- - - - - -

- - - - - -

X - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - X -

X X X X - X

X X X X X X

- - - - - -

- - - - X X

- - - - - - -

- - 10 1 10

- - 1/2 1/2 1/2

- X X - X

- - X - X

- - - - X

- - X - X

- - - X -

X X X - X

X X X X X

X X X X X

X X X X X

- - - -

- - -

- - -

X X X

- - -

- - -

X X X

- - -

X X X

X X X

X X X

X X X

X X X

-

-

-

X

-

-

-

-

-

-

-

-

-

-

-

X

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

- - - - - - - - - - X

- - - - - - X X X X X

- - -

-

- - - - - - -

-X X X - - X X X -

- - - - - - - - - -

- X X X - X - X X

X

X X

- X X X X X - X X X X

- X X X - - X X X X

- - - - - - - - X X X

- - - - - - X X X X X

- - - - - - - - - X X

- - - - - - - - XX X

- - - - - - - - - X X

- - - - - - - - - X X

- - - - - - - - - - -

X X X X X X X X X X X

- - - - - - - - XX X

- X X X - X - X X X X

- - - - - - - - - X X

- - - - - - - - - X X

- - - X - X - X X X X

- - - - - - - - - - X

- X X X - X - X X - -

- X X X

X X

- X - X X

X

X X

- - - - - - X X

- - - - - - XX X X

- X X X - X - X X -

- X X X - X - X X - X

- - - - - - - - - XX

- - - - - - - - - X X

- - - - - - - - - X X

- X - - -

- X X X X

X XXX X X

- - X X X

- - X X X

- X X X X

X X X X X

- X X X X

X X X X X

- X X X X

-

-

-

XX X X

X X X X X

- X X X X

- X - - -

- X - - -

X X X X X

- X - - -

X X X X X

- X - - -

- X - - -

- X - X X

- X - - X

- - X X X

- X X X X

- X - - -

X - X X X X

- XXX X X

- X X X X

X X - - -

- X - - -

- X - - -

-

-

X

-

-

X

-

X

X

X

X

X

-

X

X

X

X

X

X

X

X

X

X

X

X

-

-

X

-

X

-

-

X

-

X

X

-

X

X

X

-

-

-

-

-

X

-

-

X

-

X

X

X

X

X

-

X

X

X

X

X

X

X

X

X

X

X

X

-

-

X

-

X

-

-

X

X

X

-- - - - - - - - XX X - X X X X X X

-- - - - - - - - - X X - X X X X X X

X

-

X

X

X

-

-

-

CT Inputs

VT inputs

Opto Inputs ( max)1

Output Contacts (max)1

Output for Striker Triggering

Magnetic Flags

RTDs (max. option)

Analogue I/O (max. option)

Function Keys/Hotkeys

Bay Control & Monitoring

- with Mimic

Interlocking Logic

1 Phase or Earth overcurrent

3 Phase overcurrent

Ground fault

Phase directional

Ground Fault directional

Sensitive directional earthfault

Transient Ground Fault

directional

Wattmetric earthfault

Neutral admittance

Restricted earthfault

Voltage controlled overcurrent

Negative sequence overcurrent

Thermal overload

Undercurrent

Over/Under voltage

Residual over voltage

Negative sequence overvoltage

Over/Under frequency

Rate of change of frequency

Incomplete sequence relay

Master sequence device

Lock-out

Directional Power

Circuit breaker failure

Motor

Startup Monitoring

Autoreclose

Check synchronising

Broken conductor

Cold load pick-up

Inrush blocking

Switch on to fault

Circuit breaker monitoring

Trip Circuit Supervision

Limit value monitoring

Protective Signalling

InterMicom

Protection

Device P120 P121 P122 P122C P123

P124

SelfPower

P124

DualPower

P125 P126 P127 P130C P132P138

RailP139 P141 P142 P143 P144 P145

50/51P/N

50/51P

50/51N

67P

67N

67N

67N

67W

YN

64

51V

46

49

37

27/59

59N

47

81O/U

87R

48

34

86

32

50BF

49LR

66

79

25

46BC

Voltage transformer supervision VTS

Current transformer superv ision CTS

SOTF

TCS

85

MiCOM Series Data

OVERCURRENT AND FEEDER MANAGEMENT RELAYS

Pleasenotethatsomerelaysmayhavealimitonmax.I/Owhenusedasacombination.

3V0measuredinputandallowsveeconnectedVTs.

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Device P220 P225 P226C P241 P242 P243 P341 P342

CT Inputs

VT inputs

Opto Inputs (max)1

Output Contacts (max)1

RTDs/thermistors (option)

Analogue I/O (option)


Interlocking Logic

Motor Protection

Short circuit 50/51

Motor Differential 87M

Locked Rotor 50S/51LR/51S

Reverse Power 32R

Reacceleration 27LV

Startup Monitoring/Excessive long start 66/48/51

Negative sequence overvoltage 47

Out of Step 55

Loss of load 37

Undercurrent 37P/37N

Unbalance/Lock-out 30/46/86

Speed switch inputs

Anti Backspin

14

100% Stator Earth Fault (Low Freq. Injection) 64S

Generator Protection

Generator Differential 87G

Interturn/split phase 50DT

Underimpedance 21

Pole Slipping 78

Directional Power 32L/O/R

Loss of Field 40Restricted earthfault 64

100% Stator earth fault (3rd harmonic) 27TN

Overfluxing 24

Unintentional energisation at standstill 50/27

Voltage dependent O/C

Rotor Earth Fault

51V

64R

Ancillary Functions

Phase overcurrent 50/51P

Phase directional 67P

Ground fault 50N/51N

Ground Fault directional 67N

Negative sequence thermal 46T

Turbine abnormal frequency 81AB

Negative sequence overvoltage 47

Sensitive directional earthfault 67N

Wattmetric earthfault 64N/32N

Negative sequence overcurrent 460C

Thermal overload 38/49

Under/Over voltage 27/59

Residual over voltage 59N

Under frequency 81U

Over frequency 81O

Voltage vector shift dVq

Rate of change of frequency 81R

Circuit breaker failure 50BF

Circuit breaker monitoring

Trip Circuit Supervision TCS

P343 P344 P345

Protection

X

X

X

X

X

X

X

X

X

X

X

X

X

X

-

X

X

X

X

X

X

X

X

-

-

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

-

X

X

X

X

X

X

X

X

-

-

X

X

X

8

4

32

32

10/0

4/4

X

X

8

5

32

32

10/0

4/4

X

X

4 4 4 4 4 7 4 5

- 1 1 3 3 3 4 4

5 6 7 8 16 16 16 24

6 6 8 7 16 16 15 24

6/0 or 4/2 10/3 - 10/0 10/0 10/0 - 10/0

0/1 0/2 - 4/4 4/4 4/4 4/4 4/4

- - X X XXX X

- - - X X X X X

X

-

X

-

X

X

-

-

X

X

X

X

-

-

-

-

-

-

-

-

-

-

-

X

-

X

-

-

-

-

-

-

-

X

-

-

-

-

-

-

-

X

X X X X X

- - - - X - -

X X X X X - -

- - X X X

X X X

- -

X X - -

X X X X X - -

- - X X X - -

- - X X X - -

X X X X X - -

X X X X X - -

X X X X X - -

- -

- -

- -

- -

- -

- -

- -

- -

- -

- -

X X X X X

X X X X X

- - - - - - -

- - - - - - -

- - - - - - X

- - - - - - -

- - - - - X X

- - - XX XX

- - - - - X X

- - - - - - -

- - - - - - X

- - - - - - X

- - - - - - X

X X X X X X X

X- - - - - X

X X X X X X X

- - - - - X

- - - - - - X X X

- - - - - - X X X

- - - - - XX X X

X

X

X

X

X

X

X

X

X

X

X

X

X XX X

X

X

X

-

X

X

X

X

X

X

X

X

-

-

X

X

X

9

6

32

32

10/0

4/4

X

X

-

-

-

-

-

-

-

-

-

-

X

X

X

-

- - X X X - X

- - X X X X X

X X X X X - X

X X X X X X X

X X X X X X X

- - X X X X X

- - X X X X X

- - - - - X X

- - - - - X -

- - - - - X -

X X X X X X X

X X X X X X X

X X X X X X X X

MOTOR AND GENERATOR MANAGEMENT RELAYS


7/27/2019 Range_1827en.pdf

10/12

MiCOM Px20, Px30, Px40Protection Relays 10

Broken Conductor 46BC

Stub Bus Protection 50ST

Voltage/Current transformer

supervisionVTS/CTS

Capacitive voltage transformer

supervisionCVTS

P444 P445Device P430C P432 P433 P435 P436

Rail

P437 P438

Rail

P439 P441 P442 P443

CT Inputs

VT inputsOpto Inputs(max)1

Output Contacts(max)1

RTDs (option)

Analogue I/O (option)

Function Key/Hotkeys

Bay Control & Monitoring with Mimic

Interlocking Logic

Distance Protection

Distance 21/21N

3 poleAutoreclose 791/3 pole

Power Swing Blocking 78

Out of step tripping 68

Check synchronising 25

Directional Power 32

Switch on-to fault 50/27

Mutual Compensation

Rail Catenary Protection HZ

PMU

Defrost Protection

Train startups

Phasor Measurement

Phase overcurrent 50/51P

Phase directional 67P

Ground fault 50/51N

Ground Fault directional 67N

Transient Ground Fault directional 67N

Neutral admittance YN

Delta directional comparison

Wattmetric earthfault 67W

Negative sequence overcurrent 46

Directional negative sequence 46/67

Thermal overload 49

Under/Over voltage 27/59

Residual over voltage 59N

Over/Under frequency 81U

Rate of change of frequency 81R

Circuit breaker failure 50BF

Channel Aided Scheme Logic 85Trip Circuit Supervision TCS

InterMicom

Protection

-

X

X

-

4

3

2

8

-

30

-

X X X X

-

X

X

X

-

X

-

X

X

-

-

-

-

X

X

X

X

- -

-

X

X

X

X

X

X

X

X

X

X

X

-

X

X

-

4/5

4/552

38

1

1/2

-

X

X

X

-

X

X

XX

X

X

X

X

-

-

-

X

X

X

X

-

-

-

X

X

X

X

X

X

X

X

X

X

-

X

X

X

-

4

20

1

1/2

-

-

X

X-

X

X

X

X

-

-

-

-

X

X

X

X

X

-

X

X

X

X

X

X

X

X

X

X

X

X

X

X

-

4

4/54/5

32

46

1

1/2

-

-

X

-

X

X

X

XX

X

X

-

-

-

-

X

X

X

X

X

-

X

X

X

X

X

X

X

X

X

X

X

- X -

X X -

X X X

- - -

2 4/5 3

1 4/5 2

28 32 28

46 46 46

1 1 1

1/2 1/2 1/2

- -

- - -

- - -

X X X

- - -- X -

- X -

- X -

- X -

- -

X X X

- X -

16 2/3 - 25/50/60

- - X

X - X

X X X

- X X

- X -

- X -

- - -

- - -

- - -

- - -

- X -

- X -

X X X

X X X

- X -

- X -

- X -

X X X

- X -

X X X

XX -

X X X X

X X X X

X X X X

- X X - -

X

X

X

X

4

4

24

46

-

-

X

-

X

-X

X

-

X

-

X

X

-

-

-

X

X

X

X

-

-

-

X

X

X

-

-

-

-

X

X

X

X

4

4

24

32

-

-

X

-

-

-

X

X

-

X

-

X

-

-

-

-

X

X

X

X

-

-

-

-

X

X

X

X

X

-

-

X

X

X

X

X

X

X

4 4 4 4

4/5 4 4 4

40 8 16 24

26 14 21 32

1 - - -

1/2 - - -

- X X X

X - - -

- -- - -X

X X X X

X X - -

- - X X

X X X

- - -

X X X X

X

X

X

X - - -

X X X X

- X X X

- - - -

- - - -

- - - -

- - - - --- -

---

--

X X X X

X X X X

X X X X

X X X X

X - - -

XX X X

- - - X

- -

- -

-

XX X X - -

X X X X

X X X X

X X X X

X X X X

X - - X

X - - -

X - - -

X X X X

X X X X

X X X X

X - X X

di/dt,dv/dt,d/dt

I/V

DISTANCE RELAYS AND PHASOR MEASUREMENT UNIT


7/27/2019 Range_1827en.pdf

11/12


LINE DIFFERENTIAL, TRANSFORMER AND BUSBAR PROTECTION RELAYS


4 4 5 9 5 9 4 6 6 8 12 15 4 4 4

- - - 4 3 4 3 - - - 1 1 1 - - -

5 8 16 16 16 24 24

8 7 14 14 14 32 32

- - - - - - -

- - - - - - -

- X X X X X X

- X X X X X X

8 2 4 34 40 34 8

8 8 14 22 30 22 8

- - - 1/2 1/2 1/2 -

- - - 1 1 1 -

X X - - - - -

X X - - - - -

16 24

8 21

- -

- -

- -

- -

87P X

X

-

X

X

X

-

X

X

X

-

X

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

X X X X X X X X X X X X X - X X

- - X X X X - - - - - - - - -

X X X X X X X

- - X X X X -

- - X X X X

X X X X

-

- - X X X X -

- - X X X X -

- X X X X -

- X - X

X X X

X X X

- - -

X X X X X - - - - - - - -

- - - - - - - - - - - - - -

X X X X X - - - - - - - - -

X X X X X - - - - - - - -

- - - - - - - - - - - - -

- - - - - - - - - - - -

- X XX X - - - - - - - - -

X X - - - - - - - - - - -

X X - - - - - - - - - - -

X

X

X

X

X- - - - - - - - - - -

X - X - - - - - - - - -

- - - - -

X -

-

X

X -

- -

- - -

-

X X

- - -

X X X X X X - - - -

- - - - - - X - - - - - - - -

X - - - - - - - -

- X X X X X - - -

- 2 2 2 3 4 - - -

- - 2 3 3 - - -

- X X X X X - - -

- - - X X X - - -

- X X X X X - - -

- - - X X X

-

-

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - -

- - - - - - - -

- - - - - - - - - - - - X - -

- - - - - - - - - - - - - X X

- - - - - - - - - - - X - -

- - - - - - - - - - - - X - -

- - - - - - - - - - - - X - -

- - - - - - - - - - - - X X X

- - - - - - - - - - - - - X X

- - - - - - - - - - - X X X

-

-

X X X X X X -

- - - - - - - - -

-

X X X X X X X

- - - - - - - -

- - - - - - - -

- - - - - -

- - - - - -

- - - - - - - - - -

X - - X X X X X X -

X X X X

X

X X X X X X -

X - - - - - - - - - - - - -

- - - - X X X -

- -

X X

-

- - -

- - - -

- -

- -

- -

- -

- -

X

- - - - -

X X X X X X X X - -

- - 3 pole3 pole 1/3

pole

1/3

pole

- - - - -

- - - - - - X

X X

4

3

2

8

-

-

X

X

-

X

X

X

-

X

-

X

-

X

X

X

-

X

X

-

-

-

X

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

X

X

-

-

X

X

- X X X X X

X X X X

X X X X

-

- - - X X X

- - - - - -

X X - - -

X X X X X

CT Inputs

VT inputs

Opto Inputs(max) 1

Output Contacts(max) 1

Analogue I/O (opti

RTDs (option)


Interlocking Logic

Protection

Line Differential

2 terminal

2/3 terminal

FO signalling

Metallic signalling

Transient Bias (CT saturation)

SDH/Sonet ne

In Zone transformer

2 harmonic restraint

Vector Compensation

2 breaker configuration

Direct/Permissive Intertripping

Phase Comparison

PLC signalling

Transformer Differential

windings

Restricted earth fault

overfluxing/5 harmonic

overexcitation

2 harmonic restraint

Busbar Protection

Central unit up to 28

feeders

Peripheral units 8 zones

regated differential

8 zones

Sensitive earth fault differential

6 zones

Check Zone 8 zones

CT supervision

CT Saturation Detection

Fibre optic signalling

Ancillary Functions

Phase overcurrent

se directional

Ground fault

Ground Fault directional

Sensitive directional earthfault

Wattmetric earth

Distance Protection

Power Swing Blocking

Check Sync

Negative sequence overcurrent

Thermal overload

Loss of load/Undercurrent

Under/Over frequency

Circuit breaker failure

Autoreclose

Over/Under voltage

Trip Circuit Supervision

CT supervision

Device P521 P541P530C P542 P543 P544 P545 P546 P547 P630C P631 P632 P633 P634 P741 P742 P743

4

on)

tworks

-

nd

th

nd

-

-

Phase seg

Pha

fault

81U/O

50BF

79

27/59

TCS

87PC

87P

87G/

64

24

87BB

87P

87N

87CZ

CTS

50/51P

67P

50/51N

67N

CTS

67N

64W

21

78

25

46

49

37

7/27/2019 Range_1827en.pdf

12/12

2010SchneiderElectric-Allrightsreserved

Asstandards,specicationsanddesignschangefromtimetotime,pleaseaskforconrmation

oftheinformationgiveninthispublication.

Publishing:SchneiderElectricDesign:SchneiderElectricPrinting:

This document has been printedon ecological paper

Schneider Electric

35,rueJosephMonier

CS3032392506Rueil-MalmaisonCedex,FranceTel:+33(0)141297000

RCSNanterre954503439Capitalsocial896313776www.schneider-electric.com


4 - 6 - - - - -

- 4 3 4 4 4 3 3

5 48 16 2 5 5 16 32

9 32 24 4 8 8 15 30

X - - - - - - -

X - - - - - - -

X - - - - - - -

X - - - - - - -

- X - - - - - -

- X - - - - - -

- X - - - - - -

- X - - - - - -

- - X - - - - -

- - X - - - - -

- - X - - - - -

- - X - - - - -

- - - X X X X X

- - - X X X X X

- - - X X X - -

- - - - X X - -

- - - - X X X X

- - - - - X X X

- - - - - X X

- - - - - - X X

- - - - - - X X

- - - - - - X X

X X X - X X X X

yes

by

logic

Device P821 P842 P846 P921 P922 P923 P941 P943

CT Inputs

VT inputs

Opto Inputs(max)

Output Contacts(max)

Protection

Breaker Failure Protection 50BF

2 Stage

Pole Discrepancy

Dead Zone Function

Autoreclose 79

Mesh Corner/Single Switch

Check Sync 25

Ferroresonance Suppression

Open Line Detector DLO

High Speed Breaker Fail 50BF

Fast Hybrid Output contacts

3 pole tripping

Voltage and Frequency Protection

Undervoltage 27

Overvoltage 59

Residual Overvoltage 59N

Phase Sequence Voltage 47/27D

Under/Over frequency 81U/O

Rate of change of

Frequency (df/dt+t)

81R

Frequency supervised Rate of change of Frequency

(f+df/dt)

81RF

Frequency supervised average

Rate of change of Frequency

(f+f/t)

81RAV

Generator Abnormal Frequency 81AB

Load Restoration logic

Trip Circuit Supervision TCS

VOLTAGE, FREQUENCY AND ANCILLARY PROTECTION RELAYS

range_1827en.pdf

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