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

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Contentschapter / pagemetering functions 1/1protection functions 2/1appendix 3/1Notationc Sepam 2000 may include several current signal acquisition boards or severalvoltage signal acquisition boards.The currents, voltages and frequency related to the first acquisition boardare noted I for current, V for phase voltages, U for system voltages andF for frequency.The currents, voltages and frequency related to the second acquisition boardare noted I’ for current, V’ for phase voltages, U’ for system voltages andF’ for frequency.Example :metering function: phase currentv I1, I2 and I3 are the currents connected to the first current acquisition board,v I’1, I’2 and I’3 are the currents connected to the second current acquisitionboard.c Sepam 2000 may include several times the same function:v X is the identification number of a function which uses the signals acquiredby the first acquisition board,v Y is the identification number of a function which uses the signals acquiredby the second acquisition board.Example :protection function: phase overcurrentv F01X, 1 i X i 6 means that F011, F012, F013, F014, F015 and F016are the 6 modules which perform the overcurrent function for phases I1, I2 and I3acquired by the first current acquisition board.v F02Y, 1 i Y i 2 means that F021, F022, are the 2 modules which performthe overcurrent function for phases I’1, I’2 and I’3 acquired by the second currentacquisition board.c In the rest of the document, the term “pocket terminal” refers to any terminalthat can be connected to 9-pin sub-D plug on the front of Sepam 2000, namely:v TSM 2001 or PC equipped with the SFT 2801 software program formeasurement display,v TSM 2001 or PC equipped with either the SFT 2801 or SFT 2821 softwareprogram for protection setting.Metering functions1
ContentsMetering functionschapter / pagemetering functions 1/1phase current 1/2maximum demand phase currents 1/3tripping currents 1/4residual current 1/5phase-to-neutral and phase-to-phase voltages 1/6frequency 1/7real/reactive power and power factor 1/8maximum demand real/reactive power 1/10real and reactive energy meters 1/11temperature 1/12residual voltage 1/13starting current and time 1/14cumulative breaking current and number of breaks 1/15true rms current 1/16differential current and through current 1/17disturbance recording 1/18Metering functions1/1
Page 1: Protectionand controlSepam rangeSep
Page 5 and 6: Maximum demand phase currentsOperat
Page 7 and 8: Residual currentOperationThis opera
Page 9 and 10: FrequencyOperationThis function giv
Page 11 and 12: %32.521.510.5%0.10.050.0100 0.1000.
Page 13 and 14: Accumulated real/reactive energyOpe
Page 15 and 16: Residual voltageOperationThis funct
Page 17 and 18: Cumulative breaking current and num
Page 19 and 20: Differential current and through cu
Page 21 and 22: ContentsProtection functionschapter
Page 23 and 24: Commissioning, settingCheck:c the c
Page 25 and 26: Commissioning, settingCheck:c the c
Page 27 and 28: Measurement of phase shift with res
Page 29 and 30: Example of useWhen the current sens
Page 31 and 32: Commissioning, settingEarth fault c
Page 33 and 34: Directional earth faultANSI code 67
Page 35 and 36: Protection detection directionThe n
Page 37 and 38: Commissioning, settingEarth fault c
Page 39 and 40: Resistive earth faultANSI codefunct
Page 41 and 42: Thermal overloadANSI code 49functio
Page 43 and 44: Cold curvesI/Ib 1.00 1.05 1.10 1.15
Page 45 and 46: Cold curvesI/Ib 4.80 5.00 5.50 6.00
Page 47 and 48: Hot curvesI/Ib 1.00 1.05 1.10 1.15
Page 49 and 50: Commissioning, settingsCheck:c the
Page 51 and 52: CharacteristicscurvesettingIs set p
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Commissioning, settingsCheck:c the
Page 55 and 56:
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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Commissioning, settingCheck:c the c
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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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Protectionand controlSepam rangeSep
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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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ITestingCabling testing by current
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ITestingCabling testing by current
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SETTING RECORD SHEETSite : ........
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TEST SHEET Sepam 2000Site : .......
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InstallationUse conditionsInstallat
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InstallationAssembly and wiringDime
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InstallationUse and connection of c
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InstallationUse and connection of C
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InstallationConnection of power sup
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InstallationReplacement of Sepam 20
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Use - commissioningPasswordThe user
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General characteristicsSepam 2000 l
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General characteristicsDependabilit
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Testingchapitre / pagetestinggenera
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Inhibition of outputsand test param
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Other diagram:This diagram may be u
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TestingCabling testing by current i
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TestingRestricted earth fault prote
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TEST SHEET Sepam 2000Project: .....
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Electrical testsAimThe aim of these
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Testing of output effects in rated
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Effects of the environment on the e
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Appendix 1: reference documentsStan
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Contentspagepresentation 2connectio
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ImplementationSetting the communica
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Use of remote control bitsThe remot
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Events zoneThe events zone is a tab
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Test zoneThe test zone is a 16-word
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Measurements x 1 zoneThe measuremen
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Compact zoneThe compact zone contai
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Configuration zoneThe configuration
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Jbus data encoding (logical)Format
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I onA V/Hz W/ϕ Wh clear alarm rese
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Description of event codingAn event
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I onO offA V/Hz W/ϕ Wh clear alarm
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Sepam 2000 internal eventsThe inter
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switching of the setting terminal t
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Access to remote settings (cont’d
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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
Page 485 and 486:
Setting Adjust = None does not take
Page 487 and 488:
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
Page 501 and 502:
Phase-to-phase overvoltage protecti
Page 503 and 504:
Testing by injection into input A1-
Page 505 and 506:
Underfrequency protectionANSI code8
Page 507 and 508:
Rate of change of frequency protect
Page 509 and 510:
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
Page 545 and 546:
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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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