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

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Definition of symbolsThis sheet gives the meaning of the symbols usedin the different block diagrams in the control andmonitoring function data sheets.c "falling": delays the disappearance of a data item for a time T.X 0 t SLogic functionsc "OR"XTXY≥1SZEquation: S = X + Y + ZSPulse processingc “Rising”: creates a short pulse (1 cycle) each time a data item appears.c "AND"XYZ&SXXSEquation: S = X.Y.Zc exclusive "Or"SXYZ=1Sc “Falling”: creates a short pulse (1 cycle) each time a data item disappears.XSS = 1 if one and only 1 input is set to 1(S = 1 if X + Y + Z = 1)c ComplementThese functions are capable of usingcomplementary data.XSXSN.B. The disappearance of a data item may be caused by the loss of auxiliarypower.Bistable functionThe bistables are used to store data (e.g. protection output latching).Equation: S = X ( S=1 if X=0 )SR10BTime delaysTwo types of time delays:c "rising": delays the appearance of a data itemfor a time T,SXt0 SRBXSTEquation: B = S + R.BPlease noteThe status of data stored by the bistables is saved in Sepam in the eventof power failures.2 Control and monitoring functions
Control and monitoring functionsContentschapter / pageopen / close control 1/3open / close control of circuit breakers with shunt-trip coil 1/4open / close control of circuit breakers with undervoltage 1/6release coilopen / close control of latching contactors with shunt-trip coil 1/8open / close control of contactors with impulse orders 1/10open / close control contactors with latched orders 1/12trip circuit supervision 1/14open / closed matching supervision 1/15logic discrimination 1/16operation counter phase fault trip counter running - hours counter 1/19hours counter 1/20load shedding 1/21restart 1/22intertripping 1/23Buchholz Thermostat / DGPT / PTC relaying 1/24delay capacitor re-energizing 1/26recloser 1/27group shutdown 1/30de-excitation 1/30synchro-check 1/32load shedding request 1/34disturbance recording triggering 1/35capacitor switch open / closed matching supervision 1/36open / close control capacitor bank circuit breakerwith shunt tripping 1/37open / close control capacitor bank circuit breakerwith undervoltage release coil 1/38capacitor control 1/39capacitor unbalance 1/42VT supervision 1/45Control and monitoring functions1/1
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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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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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Page 51 and 52: CharacteristicscurvesettingIs set p
Page 53 and 54: Commissioning, settingsCheck:c the
Page 55 and 56: Block diagramk1>NstartF421/3I1I2I3I
Page 57 and 58: Phase undercurrentANSI code 37Block
Page 59 and 60: 0,05IbIsF441/1F441/2F441/3F441/4F44
Page 61 and 62: CharacteristicsUs set pointsettinga
Page 63 and 64: Positive sequence undervoltageand p
Page 65 and 66: Neutral voltage displacementANSI co
Page 67 and 68: Rate of change of frequency protect
Page 69 and 70: c Low set point time delayFor good
Page 71 and 72: OverfrequencyANSI code 81function n
Page 73 and 74: Commissioning, settingCheck:c the c
Page 79 and 80: CharacteristicsdUs set pointrangere
Page 81 and 82: Percentage-based single-phase overc
Page 83 and 84: PerformanceThe performance of this
Page 85 and 86: Block diagramF621/1> 5,5 In&I1I1’
Page 87 and 88: Commissioning, settingNeutral curre
Page 89 and 90: AppendixContentschapter / pageappen
Page 91 and 92: Another practical method: the chart
Page 93 and 94: Very inverse time curve VIT or LTIt
Page 95 and 96: Ultra inverse time curve UITt (s)1
Page 97 and 98: General parameter settingsThe gener
Page 99: Protectionand controlSepam rangePro
Page 103 and 104: Open / close controlUseThis functio
Page 105 and 106: Special featuresc Input I15 (extern
Page 115 and 116: Open / close matching supervisionAp
Page 117 and 118: Block diagram: substation - busbar
Page 119 and 120: Operation counterphase fault trip c
Page 121 and 122: Load sheddingBlock diagramlogic inp
Page 123 and 124: IntertrippingBlock diagramprotectio
Page 125 and 126: ApplicationThis function provides r
Page 127 and 128: RecloserApplicationDesigned essenti
Page 129 and 130: IndicationsDisplay messagesList of
Page 131 and 132: De-excitationBlock diagramde-excita
Page 133 and 134: OperationA closing request made loc
Page 135 and 136: Disturbance recording triggeringBlo
Page 137 and 138: Open / close controlcapacitor bank
Page 139 and 140: Capacitor controlBlock diagraminten
Page 141 and 142: ApplicationThis function may be use
Page 143 and 144: Capacitor unbalanceBlock diagram"RE
Page 145 and 146: VT supervisionApplicationThis funct
Page 147 and 148: Remote control and remote annunciat
Page 149 and 150: Function set-up summary chart (cont
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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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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
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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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