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

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Starts per hourANSI code 66function n°OperationF421This function is three-phase.It picks up when the number of starts reachesthe following limits:c maximum number of starts allowed per hour (Nstart),c maximum allowed number of consecutive hot starts(Hstart),c maximum allowed number of consecutive coldstarts (Cstart).Set the following:c number of starts still allowed before the maximum,if the protection has not picked up,c waiting time before a start is allowed, if theprotection has picked up.The information is saved in the event of an auxiliarypower failure.Starting is detected when the absorbed currentbecomes greater than 5% of Ib current after havingbeen lower during the time delay T.TDetection of startingThe number of starts per hour is the number of startscounted during the last 60 minutes.The number of consecutive starts is the numberof starts counted during the last 60/Nstart minutes,Nstart being the number of starts allowed per hour.Motor hot status corresponds to overrunningof the first set point of the thermal overload function.It is posible to increment the number of starts bya logic data input.tI0.05IbExampleNstart = 5 and Hstart = 3Consecutive starts are counted over an interval of 60/Nstart, i.e. 12 minutes.1 2 3 4 5startF421/1F421/2F421/3minutes32 6 2 4 1 5 10 512t12602/34 Protection functions
Block diagramk1>NstartF421/3I1I2I3I>0,05Ib0T&&F421/4u 160 mnk2>Cstartu 1F421/1K85360 mn/Nstartu 1F421/2F431/1"Clear"&k3>Hstart60 mn/NstartCharacteristicsNstart total number of startssetting 1 to 60resolution 1Hsart and Cstart number of consecutive hot and cold startssettingresolution 1T time delay between startssettingresolutionaccuracy (1)waiting time measurementmeasurement rangeresolutionaccuracy (1)1 to Nt500 ms i T i 655 s10 ms or 1 digit±2% or ±25 ms1 mn to 60 mn1 mn±2 mnN number of remaining starts measurementmeasurement range 1 to 60resolution 1outputs available for program logictotal or consecutive starts F421/1consecutive F421/2total F421/3lock-out between starts F421/4in progressremote reading, remote setting* (1)function code F42 42hidentification number 1parametersN start: total(order of parameters) number of starts unit: 1..60H start: number ofconsecutive hot starts unit: 1..60C start: number ofconsecutive cold starts unit: 1..60T time between starts unit: 10 x ms(1)under reference conditions (IEC 60255-6)(2)the data formats are defined in the manuals which describe each communication protocol.* function available as of version 9802 SFT2800.Protection functions2/35
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Protectionand controlSepam rangeSep
Page 3 and 4: ContentsMetering functionschapter /
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 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
Page 53: Commissioning, settingsCheck:c the
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 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 and 100: Protectionand controlSepam rangePro
Page 101 and 102: Control and monitoring functionsCon
Page 103 and 104: 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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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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