GE Industrial Solutions SG Series 50 & 80 kVA Operating Manual - Manual (Page 6)

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OPM_SGS_USM_50K_80K_0US_V030.doc Operating Manual SG Series 50 & 80 kVA
7.2 PROCEDURES FOR UPS FUNCTIONING AS FREQUENCY CONVERTER........................................................................ 48
7.2.1 Start-up of the SG Series as frequency converter.................................................................................................................... 48
7.2.2 Complete UPS shutdown (No Load supply)................................................................................................................................. 49
7.2.3 Restore to normal operation after “total off”.............................................................................................................................. 50
7.2.4 Restore to normal operation after EPO (Emergency Power Off)......................................................................................... 51
7.3 PROCEDURES FOR PARALLEL SYSTEM...................................................................................................................................... 52
7.3.1 Parallel System start-up ...................................................................................................................................................................... 52
7.3.2 Maintenance system shutdown (Load supplied from Q2 on all Units) ........................................................................... 54
7.3.3 From Manual Bypass (Q2) to normal function VFI ................................................................................................................... 55
7.3.4 Separate a Unit from the parallel system (System Redundancy)..................................................................................... 57
7.3.5 Reconnect a Unit to a parallel system .......................................................................................................................................... 58
7.3.6 Parallel system shutdown (No Load supply) .............................................................................................................................. 59
7.3.7 Restore to normal operation after “total off”.............................................................................................................................. 61
7.3.8 Restore to normal operation after EPO (Emergency Power Off)......................................................................................... 63
7.4 PROCEDURES FOR PARALLEL SYSTEM WITH COMMON BATTERY................................................................................ 65
7.4.1 Parallel System start-up ...................................................................................................................................................................... 65
7.4.2 Maintenance system shutdown (Load supplied from Q2 on all Units) ........................................................................... 67
7.4.3 From Manual Bypass (Q2) to normal function VFI ................................................................................................................... 68
7.4.4 Separate a Unit from the parallel system (System Redundancy)..................................................................................... 70
7.4.5 Reconnect a Unit to a parallel system .......................................................................................................................................... 71
7.4.6 Parallel system shutdown (No Load supply) .............................................................................................................................. 72
7.4.7 Restore to normal operation after “total off”.............................................................................................................................. 74
7.4.8 Restore to normal operation after EPO (Emergency Power Off)......................................................................................... 76
8 OPTIONS......................................................................................................................................................... 78
8.1 COMMUNICATION OPTIONS.......................................................................................................................................................... 78
8.2 OPTIONS IN UPS CABINET.............................................................................................................................................................. 78
8.3 CONNECTION FOR OPTIONS ......................................................................................................................................................... 79
8.3.1 Remote Signalling Box (RSB)............................................................................................................................................................... 79
9 MAINTENANCE.............................................................................................................................................. 80
9.1 MAINTENANCE .................................................................................................................................................................................... 80
9.1.1 Service check ............................................................................................................................................................................................ 80
9.1.2 Fans and ventilation .............................................................................................................................................................................. 80
9.1.3 Other components with limited lifetime ....................................................................................................................................... 80
9.1.4 Battery ......................................................................................................................................................................................................... 80
9.1.5 Long shut-down periods of the UPS-system.............................................................................................................................. 81
9.1.6 UPS room conditions and temperature........................................................................................................................................ 81
9.1.7 Long shut-down periods of the UPS-system.............................................................................................................................. 81
10 NOTES............................................................................................................................................................. 82
10.1 NOTES FORM........................................................................................................................................................................................ 82