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

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

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Use - commissioningCommissioning (cont’d)Busbar <strong>Sepam</strong> B12 (load shedding)functions comm<strong>and</strong>s annunciationtrip inhibit lockout transmit fault trip device message (1)O1 closing BI O14 O12 fault O13phase overcurrent c c c c c OVERCURRENTearth fault c c c c c E/Fexternal protection tripping c c c c EXT. TRIPpole pressure c c c PRESSUREtrip circuit supervision c c c ? CONTROL ?detection of plugged connectors (DPC)CONNECTORfunctions outputs annunciationO11 O21 O22 O23 O24 O31 O32 O33 O34 message (1)undervoltage setting 1 c U/VOLT.1undervoltage setting 2 c U/VOLT.2positive sequence undervoltage, setting 1 c P SEQ U/V1positive sequence undervoltage, setting 2 c P SEQ U/V2remanent undervoltage c REM. U/Vovervoltage, setting 1 c O/VOLT.1overvoltage, setting 2 c O/VOLT.2neutral voltage displacement c (2) N VOLT DISPunderfrequency, setting 1 c UNDERFREQ.1underfrequency, setting 2 c UNDERFREQ.2underfrequency, setting 3 c UNDERFREQ.3underfrequency, setting 4 c UNDERFREQ.4overfrequency, setting 1 c OVERFREQ.1overfrequency, setting 2 c OVERFREQ.2rate of change of frequency, setting 1 c (4)(3) c (4) c (4) c (4) LOM 1rate of change of frequency, seting 2 c (3) LOM 2(1)on <strong>Sepam</strong> 2000 display (according to language versions).(2)latching type(3)<strong>and</strong> (4) two possible set-ups according to choice of KP33:(3) (4)KP33 0 1use c load shedding in all cases c load shedding with underfrequency onlyc the frequency derivative c the frequency derivative may be usedmay be used to load shed to inhibit load shedding in cases of afaster triggered only by sudden drop in frequency, indicatingunderfrequency with a problem that cannot be solvedmoderate frequency drop by load shedding.O31 UNDERFREQ.1 OR dF/dT 1 UNDERFREQ.1 AND NOT(instantaneous dF/dT setting 1)O32 UNDERFREQ.2 OR dF/dT 2 UNDERFREQ.2 AND NOT(instantaneous dF/dT setting 1)O33 UNDERFREQ.3 UNDERFREQ.3 AND NOT(instantaneous dF/dT setting 1)O34 UNDERFREQ.4 UNDERFREQ.4 AND NOT(instantaneous dF/dT setting 1)2/32 Installation - Use - General characteristics - Testing

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