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(using the TSM2001 pocket terminal) KP6 = 1.The test indicator is on.CautionThis operation should carried be out first sinceit inhibits protection tripping.c Wiring in accordance with the diagram below.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.NoteThe return to normal operating mode by KP6 = 0clears all messages and latching.I1A63 ECM D25241654321SEPAM 2000ECM D3635241654321I2Ac Reading of the tripping curveUse the corresponding sheet in annex.in : CT=1 or 5 A secondary rated currentN.B.High setting tripping is distinguished from percentagecharacteristic tripping by the message displayed.10I1(x in)trippingHIGH SETTING8 Ib50 %5Id>>3 IbtrippingDIFF.Id / It15 %0,3no tripping510I2 + 0,5. I1(x in)Testing3/5
TestingCabling testing by current injectionc Inhibition of tripping output by KP9=1 :test indicator on.c Calculation of injection coefficients, k and k'Primary injection coefficient: k = InIb . 1inIn : primary CT rated currentIb : transformer primary rated currentIn : 1 or 5 ASecondary injection coeffcient: k'=In'Ib'In' : secondary CT rated currentIb' : transformer secondary rated currentIn : 1 or 5 A. 1inc Calculation of neutral injection coefficient ko: caseof Yd coupling with neutral point in protected zoneMeasurement of neutral point current by CTNeutral injection coefficient: ko = InoIb' . 13.inIno : neutral point CT rated currentIb' : transformer secondary rated currentIn : 1 or 5 AMeasurement of neutral point current Neutral injection coefficient: ko = 1 . 1 Ib' 3by CSH core balance CTIb' : transformer secondary rated currentMeasurement of secondary residual currentNeutral injection coefficient: ko = In'Ib' . 13.inby sum of the 3 phase currents In' : secondary CT rated currentIb' : transformer secondary rated currentIn : 1 ou 5 Ac Cabling of the injection box:Use the diagram that matches the coupling of thetransformer being protected.c Reading of measurements taken by Sepam(using the TSM 2001 pocket terminal, Specialfunction menu) and comparison with the theoreticalvalues.Use the test sheet which is found at the end of thismanual.3/6 Testing
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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 - 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 - 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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Use - commissioningDescription / us
Page 295 and 296: Use - commissioningUse (current ope
Page 297 and 298: Use - commissioningCommissioningChe
Page 299 and 300: Use - commissioningCommissioning (c
Page 301 and 302: Use - commissioningMaintenance (con
Page 303 and 304: 2/14 Installation - Use - Sheets
Page 305 and 306: Notes2/16 Installation - Use - Shee
Page 307 and 308: Status menu parameters (cont’d)me
Page 309 and 310: Protectionand controlSepam rangeSep
Page 311 and 312: InstallationEquipment identificatio
Page 315 and 316: InstallationAssembly and wiring (co
Page 317 and 318: InstallationConnection of current i
Page 319 and 320: InstallationUse of the CSH 30 core
Page 321 and 322: InstallationConnection of the Jbus
Page 323 and 324: InstallationChecking prior to commi
Page 325 and 326: Use - commissioningDescription / us
Page 339 and 340: Use - commissioningSepam 2000 ident
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Page 343 and 344: TestingGeneral informationProcedure
Page 345: TestingGeneral information (cont'd)
Page 349 and 350: ITestingCabling testing by current
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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 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 391 and 392: Use - commissioningPasswordThe user
Page 393 and 394: General characteristicsSepam 2000 l
Page 395 and 396: 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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