Sepam - HV/MV Protection and control units (ENG) - Trinet

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TestingDifferential protection testing with simplified parameterizationc Parameterization of the protection in Test mode(setting pocket terminal) KP6=1.The test indicator is on.CautionThis operation should be carried out first sinceit inhibits protection tripping.635241ECM D2SEPAM 2000ECM D3 ou 4635241c Wiring in accordance with the diagram opposite.v For Sepam 2000 D21 and D22, connect theinjection boxes to the ECMD2 and ECMD3 boards.v For Sepam 2000 D31, carry out two tests, one withthe injection boxes connected to the ECMD2 andECMD3 boards and the other with them connected tothe ECMD2 and ECMD4 boards.c Return to normal operation: carry out the operationsin the following order:1. disconnect the injection units2. normal operating mode (KP6 = 0).The test indicator is off.Ai1i2 - i1654321i2i2654321APlease note:The return to normal operating mode by KP6 = 0clears all messages and latching.Conventional diagram:This arrangement has the advantage of maintaining a through current at a constantvalue, whatever the value of the differential current.There is zero residual current.Current i2 is injected in the opposite direction to that of current i1.This arrangement may be made using either two generators without any commonpoint or two generators with a common point (i2 being shifted by 180°).With the wiring example above, the following is obtained:c for phases 1 and 2 :Inv I1 = I2 = (i2- in) ,inv I1' = I2' = i2 In,inv Id' = Id2 = i1 In,inv It = In max (i2 - i1, i2) = i2 x In.ininc for phases 3 :v I3 = I3' = 0,v Id3 = It3 = 0.4/4 D21 - D22 - D31 - Installation - Use - Commissioning
Other diagram:This diagram may be used if two current generatorswith a single common point are available.There is zero residual current.With the wiring example above, the following isobtained:635241ECM D2SEPAM 2000ECM D3 ou 4635241c for phases 1 and 2 :i1I1 = I2 = x In,ini2I1' = I2' = in In,i1 + i2Id1 = Id2 = in In,In max (i1, i2)Id1 = Id2 = inc for phase 3 :Id3 = It3 = 0Ai1i2 - i1654321i2654321Ai2c Reading of the tripping curveUse the corresponding sheet in annex.The curves opposite define the protectioncharacteristic with no harmonics.in : 1 or 5 A CT secondary rated current.Id/It = protection setting.i1(x In)4Id / It = 50 %tripping32curve B max.curve CId / ItId / It = 15 %curve A10,32no trippingcurve B mini.4 6 810i2(x in)The different curves:curve A : I1 = 0,3 in,curve B : I1 = (Id/It) x i 2,curve C : i1 = 0,744 i 2- 3,475 in(approximation between 6 In and 10 In at ± 5%),with Id/It the setting of the protection.D21 - D22 - D31 - Installation - Use - Commissioning4/5
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Protectionand controlSepam rangeSep
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ContentsMetering functionschapter /
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Maximum demand phase currentsOperat
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Residual currentOperationThis opera
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FrequencyOperationThis function giv
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%32.521.510.5%0.10.050.0100 0.1000.
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Accumulated real/reactive energyOpe
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Residual voltageOperationThis funct
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Cumulative breaking current and num
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Differential current and through cu
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ContentsProtection functionschapter
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Commissioning, settingCheck:c the c
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Measurement of phase shift with res
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Example of useWhen the current sens
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Commissioning, settingEarth fault c
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Directional earth faultANSI code 67
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Protection detection directionThe n
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Commissioning, settingEarth fault c
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Resistive earth faultANSI codefunct
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Thermal overloadANSI code 49functio
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Cold curvesI/Ib 1.00 1.05 1.10 1.15
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Cold curvesI/Ib 4.80 5.00 5.50 6.00
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Hot curvesI/Ib 1.00 1.05 1.10 1.15
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Commissioning, settingsCheck:c the
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CharacteristicscurvesettingIs set p
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Commissioning, settingsCheck:c the
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Block diagramk1>NstartF421/3I1I2I3I
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Phase undercurrentANSI code 37Block
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0,05IbIsF441/1F441/2F441/3F441/4F44
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CharacteristicsUs set pointsettinga
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Positive sequence undervoltageand p
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Neutral voltage displacementANSI co
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Rate of change of frequency protect
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c Low set point time delayFor good
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OverfrequencyANSI code 81function n
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CharacteristicsdUs set pointrangere
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Percentage-based single-phase overc
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PerformanceThe performance of this
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Block diagramF621/1> 5,5 In&I1I1’
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Commissioning, settingNeutral curre
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AppendixContentschapter / pageappen
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Another practical method: the chart
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Very inverse time curve VIT or LTIt
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Ultra inverse time curve UITt (s)1
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General parameter settingsThe gener
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Protectionand controlSepam rangePro
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Control and monitoring functionsCon
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Open / close controlUseThis functio
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Special featuresc Input I15 (extern
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Open / close matching supervisionAp
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Block diagram: substation - busbar
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Operation counterphase fault trip c
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Load sheddingBlock diagramlogic inp
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IntertrippingBlock diagramprotectio
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ApplicationThis function provides r
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RecloserApplicationDesigned essenti
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IndicationsDisplay messagesList of
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De-excitationBlock diagramde-excita
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OperationA closing request made loc
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Disturbance recording triggeringBlo
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Open / close controlcapacitor bank
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Capacitor controlBlock diagraminten
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ApplicationThis function may be use
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Capacitor unbalanceBlock diagram"RE
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VT supervisionApplicationThis funct
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Remote control and remote annunciat
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Function set-up summary chart (cont
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InstallationContentschapter / pagei
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InstallationEquipment identificatio
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Optional accessoriesTSM 2001 pocket
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Sepam 2000 componentsslot 6 5 4 3 2
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CCA 660 or CCA 650connectorc Open t
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Accessories for CSPcurrent sensorsA
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Use of ACE 907 and AC 908c Connect
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InstallationUse and connection of s
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Connection of CSH 120 andCSH 200 co
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Connectionto CT with 1 A secondaryc
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Characteristicsc Accuracy:v amplitu
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Connection of 2 VTsThis arrangement
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InstallationConnection of Pt100 ter
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InstallationConnection of the Jbus/
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Use - commissioningDescription/useY
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Use - commissioningDescription/use
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Use - commissioningUse (current ope
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Use - commissioningCommissioningChe
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Use - commissioningCommissioning (c
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Use - commissioningMaintenance (con
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Use - commissioningSepam 2000 ident
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Use - commissioningPasswordUse of t
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General characteristicsCharacterist
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General characteristicsCharacterist
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General characteristicsQualificatio
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General characteristicsPerformance
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General characteristicsEffects of t
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General characteristicsEffects of t
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General characteristicsDependabilit
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Appendix 1: reference documentsStan
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Testing - setting record sheetsComm
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Program logic parameters (customize
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SETTING RECORD SHEETProject: ......
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Sepam 2000 Substationfunction ident
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Status menu parameters (cont’d)me
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Sepam 2000 Transformerfunction iden
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Status menu parameters (cont’d)Se
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Sepam 2000 Generatorfunction identi
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InstallationAssembly and wiring (co
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InstallationConnection of current i
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InstallationConnection of analog in
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InstallationConnection of power sup
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Notes1/16 Installation - Use - Shee
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Use - commissioningDescription / us
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2/14 Installation - Use - Sheets
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Notes2/16 Installation - Use - Shee
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InstallationAssembly and wiring (co
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InstallationConnection of current i
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InstallationUse of the CSH 30 core
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InstallationConnection of the Jbus
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InstallationChecking prior to commi
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2/18 Use - commissioning
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TestingGeneral informationProcedure
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TestingGeneral information (cont'd)
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TestingCabling testing by current i
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Page 353 and 354: SETTING RECORD SHEETSite : ........
Page 355 and 356: TEST SHEET Sepam 2000Site : .......
Page 357 and 358: Protectionand controlSepam rangeSep
Page 359 and 360: InstallationUse conditionsInstallat
Page 361 and 362: InstallationEquipment identificatio
Page 363 and 364: InstallationAssembly and wiringDime
Page 365 and 366: InstallationUse and connection of c
Page 367 and 368: InstallationUse and connection of C
Page 369 and 370: InstallationConnection of power sup
Page 371 and 372: InstallationReplacement of Sepam 20
Page 373 and 374: Use - commissioningDescription / us
Page 375 and 376: Use - commissioningDescription / us
Page 377 and 378: Use - commissioningUse (current ope
Page 379 and 380: Use - commissioningCommissioningChe
Page 381 and 382: Use - commissioningCommissioning (c
Page 389 and 390: Use - commissioningMaintenance (con
Page 391 and 392: Use - commissioningPasswordThe user
Page 393 and 394: General characteristicsSepam 2000 l
Page 395 and 396: General characteristicsDependabilit
Page 397 and 398: Testingchapitre / pagetestinggenera
Page 399: Inhibition of outputsand test param
Page 403 and 404: TestingCabling testing by current i
Page 405 and 406: TestingRestricted earth fault prote
Page 407 and 408: SETTING RECORD SHEETProject: ......
Page 409 and 410: TEST SHEET Sepam 2000Project: .....
Page 411 and 412: Electrical testsAimThe aim of these
Page 413 and 414: Testing of output effects in rated
Page 415 and 416: Effects of the environment on the e
Page 417 and 418: Appendix 1: reference documentsStan
Page 419 and 420: Contentspagepresentation 2connectio
Page 421 and 422: ImplementationSetting the communica
Page 423 and 424: Use of remote control bitsThe remot
Page 425 and 426: Events zoneThe events zone is a tab
Page 427 and 428: Test zoneThe test zone is a 16-word
Page 429 and 430: Measurements x 1 zoneThe measuremen
Page 431 and 432: Compact zoneThe compact zone contai
Page 433 and 434: Configuration zoneThe configuration
Page 435 and 436: Jbus data encoding (logical)Format
Page 437 and 438: I onA V/Hz W/ϕ Wh clear alarm rese
Page 439 and 440: Description of event codingAn event
Page 441 and 442: I onO offA V/Hz W/ϕ Wh clear alarm
Page 443 and 444: Sepam 2000 internal eventsThe inter
Page 445 and 446: switching of the setting terminal t
Page 447 and 448: Access to remote settings (cont’d
Page 449 and 450: Description of settingsData typeThe
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Reading of phase overcurrent protec
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If the master requests more exchang
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eading of block n° 79h of the reco
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Request framethis codeis used to se
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Reading of N words:function 3 or 4T
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Reading of diagnosiscounters: funct
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ExampleForcing of words 0800h to 08
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Protection function testsContentANS
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Measurement and testing methodGener
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Checking of IDMT set point and time
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Voltage restrained overcurrent prot
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Earth fault protectionANSI code 50N
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Percentage-based single-phase overc
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c testing of TOnce the protection a
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examplec angle θo = 0° (see figur
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Checking of protection disengaging
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Setting Adjust = None does not take
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Cold curvesI/Ib 1.85 1.90 1.95 2.00
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Hot curves:t/T1 = f(OL, I/Ib)The fo
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Sensitive earth fault protectionANS
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Ii (% Ib) K10 99.9515 54.5020 35.44
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Testing of number of consecutive co
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Phase undercurrent protectionANSI c
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Remanent undervoltage protectionANS
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Phase-to-phase overvoltage protecti
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Testing by injection into input A1-
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Underfrequency protectionANSI code8
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Rate of change of frequency protect
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Testing Ps set pointv using single-
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Testing Ps set pointv using single-
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Testing of Qs set pointv using sing
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Resistance values as afunction of t
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It/InIs/In0.05 0.1 0.15 0.2 0.25 0.
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Checking of the slopeThe slope can
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Protection against circuit breaker
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Testing equipmentMeasurement and te
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Test wiring diagram (cont'd)B2: thr
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Test wiring diagram (cont'd)B8: cur
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Test wiring diagram (cont'd)B10: si
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Test wiring diagram (cont'd)B12: un
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Test wiring diagram (cont'd)B14: re
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Test wiring diagram (cont'd)B16 : s
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TEST SHEET Sepam 2000Project : ....
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Program logic parameters (customize
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Sepam 2000 Busbarsfunction identifi
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Sepam 2000 Moteurfunction identific
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Sepam 2000 Capacitorfunction identi
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Sepam 2000 Generator (cont’d)func
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IDMT protection curvesStandard inve
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IDMT protection curves (cont'd)Extr
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Negative sequence/unbalance protect
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Schneider Electric3140746A-EART.757
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Sepam - HV/MV Protection and control units (ENG) - Trinet

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