PST 645U变压器保护测控装置技术说明书Word下载.docx

PST 645U变压器保护测控装置技术说明书Word下载.docx

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1

ACmodule

PST640U-AC.A-A

2

CPUmodule

EDP03-CPU.A-A

E03-CPU.BA

3

Panelmodule

EDP03-PNL.A-A

4

DIOmodule

PSL640U-DIO.A-A

5

TRIPmodule

PSL640U-TRIP.A-A

PSL640U-TRIP.A-B

6

Powermodule

EDP03-PWR.A-A

7

Basismodule

EDP03-MB.A-A

8

Communicationmodule

EDP03-COM.B-A

9

Clocksynchronizationmodule

EDP03-CLK.A-A

RevisionhistoryTableofPST645Utransformerprotectionandmonitoringdeviceproductinstruction.

10

V1.22

V1.10

V1.00

ManualVersionNumber

ModifiedAbstract

Directory

VersionoftheStatement

1.Outline............................................................................................................................1

1.1.Protectionfunctionsettings......................................................................................1

1.2.Monitoringandcontrollingfunctionsettings...........................................................1

2.Technicalparameters....................................................................................................2

2.1.Precisescopeofworkonprotectioncomponents....................................................2

2.2.Settingerroronprotectioncomponents...................................................................2

2.3.Protectionoftheentiresetofactiontime.................................................................2

2.4.Technicalparametersofmeasurementandcontrolfunctions...................................2

3.Protectionfunctionandprinciple...............................................................................3

3.1.Phaseover-currentprotection...................................................................................3

3.1.1Low-voltageblockingelements............................................................................3

3.1.2Negativesequenceovervoltageblockingelements..............................................3

3.1.3Whitecurrentinversetimeprotection..................................................................3

3.2.Overloadprotection..................................................................................................4

3.3.Zerosequenceover-currentprotection.....................................................................4

3.4.Zerosequenceovervoltageprotection.....................................................................4

3.5.Low-voltageprotection............................................................................................4

3.6.Acceleration.............................................................................................................4

3.7Non-powerprotection...............................................................................................4

3.8Trippinglogicmatrix................................................................................................5

3.9TVbreak...................................................................................................................5

4.TerminalDescription....................................................................................................6

4.1.Totalterminalplans..................................................................................................6

4.2.ACmoduleterminaldefinitionofX1......................................................................6

4.3.CPUmoduleterminaldefinitionofX2....................................................................7

4.4DIOmoduleterminaldefinitionofX3......................................................................8

4.5DIOmoduleterminaldefinitionofX4......................................................................8

4.6TRIPmoduleterminaldefinitionofX5.....................................................................8

4.7TRIPmoduleterminaldefinitionofX6.....................................................................9

5.Setpointtuninginstructions.........................................................................................10

5.1Listandinstructionofprotectionvalue....................................................................10

5.2Listandinstructionofoperatingparameters...........................................................12

5.3ListandinstructionofSoftplaten...........................................................................12

6.Deviceinformationcodetable.....................................................................................14

6.1Eventinformationtable.............................................................................................14

6.2Alarminformationtable............................................................................................14

6.3Softplateninformationtable.....................................................................................15

6.4RemoteCommunicationinformationtable...............................................................15

6.5Remotemeasurementinformationtable....................................................................16

6.6Remotecontrollinginformationtable......................................................................16

7.Deviceofsecondarywiringdiagram............................................................................18

1.Outline

PST645Utransformerprotectionandmonitoringdeviceappliestothenon-directgroundingsystemorlowresistancegroundingstationwhichvoltagelevelisbelow110KV.Itcanbescreenedorinstalledgrounding.

1.1Protectivefunctionconfiguration

1）threesectionsofthecompositevoltagelockoutover-currentprotection（IIIsegmentcanbesettotheinversetime）

2）Thethreesectionsofhigh-pressuresideofthezero-sequenceover-currentprotection（IIIsegmentalarm/tripoption）

3）Thethreesectionsthelowpressuresideofthezero-sequenceover-currentprotection（IIIsegmentcanbesettotheinversetime）

4）overload（alarm/tripoption）

5）zerosequenceovervoltageprotection（alarm/tripoption）

6）Lowvoltageprotection

7）Handaccelerateprotection

8）4-waynon-powerprotection

1.2monitoringandcontrollingfunctionsconfiguration

1）22-wayexternalswitchinputandtele-signalcollection;

2）Thecircuitbreakerposition,manualswitchingaccidenttele-signalcollection;

3）normalbreakerwhichswitchingisremote;

4）2pulseinput,accumulatedelectrical;

5）timeofGPSisadaptivewheninput.

2Technicalparameters

2.1preciseworkingscopeorprotectionofcomponentsVoltage:

1.0V~150.0V;

Current:

0.04IN~20IN;

ZeroSequenceCurrent:

0.02A~12.0A.

Note:

INtherating,thesamebelow.

2.2Protectionelementsettingerror

Currentcomponents:

≤±

2.5%or±

0.01IN;

Thevoltageelement:

0.005UN;

Thetimeelement:

definitetime≤（%1settingvalue）+40ms.

Voltageisrating,thesamebelow.

2.3protectingtheentiregroupofactiontime

Instantaneoustripcurrent:

1.5timesofthesettingvalueisnotgreaterthan40ms.

2.4Technicalparametersofmonitoringandcontrollingfunctions

RefertoPS640Useriesprotectionandmonitoringdevicemanual

3.Protectionfunctionandprinciple

3.1phaseover-currentprotection

Deviceintheimplementationofthethree-stagecross-flowdiscriminantislogicallyconsistentanditsoperationconditionsareasfollows:

1）Iφ>

Idn;

Idnisthecurrentsettingofthensegment;

Iφisphasecurrent;

2）T>

Tdn;

Tdnisthedelayingvalueofthensegment.

Itslowpressureblockingelementandnegativesequencevoltageblockingelementisdecidedaccordingtocontrollingword.

3.1.1Lowvoltagelockoutelement

Actionwhenanyoneofthelowvoltagecomponentsinthethreelinevoltagebelowthelowvoltagesetpoint,theopenlatchprotectionelement.Usingthiscomponent,youcanguaranteethatthedevicedoesnotappearinthecaseofnon-faultmotorfeedbackmalfunction.

3.1.2Negativesequenceovervoltagelockoutcomponents

Whennegativesequencegreaterthanthenegativesequenceovervoltagesetting,openlockoutprotectioncomponents.Togetherconstitutethethecompositevoltageblockingelement,withlowvoltageblockingelementwithover-currentelementsconstitutethecompositevoltageover-currentprotection.

3.1.3phasecurrentinversetimeelement

Inversetimeprotectioncomponentsizenaturallywiththeactiontimelimitprotectioncircuitcurrentprotectiondevices,bypanningactioncurve,youcanveryeasilywithacrosstheboard.Thedeviceprovidesthecommoncharacteristicsofthethreetypesofinversetime,thatisthestandardinverse,veryinverse,extremelyinverseandinverse-timecharacteristicsbysettingthevalueofthecorrespondinginversetimeindextuning.Inversetimecharacteristicsofthefollowingformula:

1）Normalinverse

2）Veryinversetime

3）ExtremelyInverse

:

tpisthetimecoefficient,andtherangeisfrom0.05to1;

IPisacurrentreferencevalue;

Iisafaultcurrent;

tisthetrippingtime.

Inversetimethevalueoftheportionofthetuningforthevalueoftheproductofthemoleculesintheabov