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

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Synchro-checkBlock diagramI14 input: closing&I18 input: remotecontrol enableKTC34&≥ 1&1closing requestcheck by synchro-checkI1 input: closedprotection functiontripped (O12)breaker failure (O13)I13 input: openingKTC33external shutdown *group shutdown *de-excitation *input Usync1 failureinput Usync2 failure≥1t0T10≥10interruptionof closing request&KTC58 * 1KTC59 * 0input I18 remotecontrol enableKP34 *dU < dUsdF < dFsdPhi < dPhisvoltage absent mode&F181/1&F181/2&> 1&≥1closing enabledby "synchro-check" functionÒif 0 closing prohibitedÓÒif 1 closing enabledÓKTC56 1KTC57 0&&input I18 remotecontrol enable≥1KP35&≥10T8TO33 output Òsynchronization" indication **Ó* ÒgeneratorÓ Sepam only.** ÒBusbarÓ Sepam only.PrincipleThis function monitors the voltages upstream anddownstream (or right / left) from a breaking device andis involved in the ÒclosingÓ part of each Òopen / closeÓcontrol function (circuit breaker / contactor).ApplicationThis checking function is used to monitor the coupling of two networks in certainÒgeneratorÓ Sepam 2000 and ÒbusbarÓ Sepam 2000. Synchronism may be carriedout by two measurement systems which may be adjusted in the synchronismprotection and checking function:c measurement of gaps in voltage (dUs), frequency (dFs) and phase angle (dPhis),c fulfilment of the conditions of the four voltage absent modes (mode 1, 2, 3 or 4)selected (see protection functions documentation).1/32 Control and monitoring functions
OperationA closing request made locally or remotely by the user is maintained in Sepam2000for a time T10 and triggers closing of the coupling device when the intendedsynchronism conditions are met.Special featuresSepam 2000 de-activates the closing request when a fault occurs or when anintentional order interrupts the request.The gap checking function is active by default but may be de-activated forÒgeneratorÓ Sepam 2000 by setting the KP34 parameter to 1 or by the remotecommunication impulse contact KTC58 (reactivation is possible by setting KP34back to 0 or via the KTC59 contact).The checking by absent voltage mode is inactive by default but may be activated,only when the gap checking function is activated, by setting the KP35 parameter to 1or via the remote communication impulse contact KTC56 (de-activation is possiblevia the KTC57 contact).The synchro-check activation and de-activation functions are interlocked with theposition of the Òlocal/remoteÓ selector switch wired to input I18.Local closing control via I14 is prohibited when the selector switch is in the remoteposition.Changeover of the selector switch from the local position to the remote position, for atime of T10, triggers interruption of the request if synchro-check is not activated inremote mode.Monitoring of the voltages at either end of the breaking device is carried out via twoinputs with normally closed contacts which allow LV circuit breaker fault contacts orstriker fuse contacts or voltage transformer drawout contacts to be connected.Annunciation managementSetting of the T8 time delay guarantees a minimum closing time for the O33annunciation output in ÒbusbarÓ Sepam 2000.A closing request triggers the appearance on the display unit of the blinkingmessage ÒSYNCHROÓ.For generator Sepam 2000, should the closing request fail, the message ÒVOLTAGEGAPÓ is displayed or when the value of the voltage gaps is within the set limit, themessages ÒANGLE GAPÓ and ÒFREQ. GAPÓ are displayed.Any interruption in the closing request triggers the appearance of the messageÒSTOP SYNC.Ó, accompanied by the message which goes with the event that hascaused the interruption.A voluntary shutdown via input I13 or via KTC33 during the closing request does notgenerate any messages other than ÒSTOP SYNC.Ó.The ÒTaÓ time delay may be used to anticipate the breaking device closing commandwhen the networks to be coupled are moving dynamically toward the synchronismconditions.The setting of ÒTaÓ depends on the coupling device closing time and thecharacteristics of the networks to be coupled.CommissioningUse the pocket terminal or communication:v set the time delay T10 (the default setting is 200 ms),v set the synchro-check function parameters (F181: Syn. CheckÕ).For the operating mode with voltage absent, see ÇMetering and protection functionsdocumentationÈ..Control and monitoring functions1/33
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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
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
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: De-excitationBlock diagramde-excita
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
Page 157 and 158: InstallationContentschapter / pagei
Page 159 and 160: InstallationEquipment identificatio
Page 161 and 162: Optional accessoriesTSM 2001 pocket
Page 163 and 164: Sepam 2000 componentsslot 6 5 4 3 2
Page 165 and 166: CCA 660 or CCA 650connectorc Open t
Page 167 and 168: Accessories for CSPcurrent sensorsA
Page 169 and 170: Use of ACE 907 and AC 908c Connect
Page 171 and 172: InstallationUse and connection of s
Page 173 and 174: Connection of CSH 120 andCSH 200 co
Page 175 and 176: Connectionto CT with 1 A secondaryc
Page 177 and 178: Characteristicsc Accuracy:v amplitu
Page 179 and 180: Connection of 2 VTsThis arrangement
Page 181 and 182: 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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InstallationEquipment identificatio
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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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