GE Industrial Solutions SG Series 10 – 20 – 30 – 40 kVA Operating Manual - Manual (Page 6)

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OPM_SGS_USM_10K_40K_0US_V030.doc Operating Manual SG Series 10 –20 – 30 - 40 kVA
7.2 PROCEDURES FOR UPS FUNCTIONING AS FREQUENCY CONVERTER........................................................................ 49
7.2.1 Start-up of the SG Series as frequency converter ................................................................................................................. 49
7.2.2 Complete UPS shutdown (No Load supply) .............................................................................................................................. 50
7.2.3 Restore to normal operation after “total off” ........................................................................................................................... 51
7.2.4 Restore to normal operation after EPO (Emergency Power Off) ...................................................................................... 52
7.3 PROCEDURES FOR PARALLEL SYSTEM...................................................................................................................................... 53
7.3.1 Parallel System start-up.................................................................................................................................................................... 53
7.3.2 Maintenance system shutdown (Load supplied from Q2 on all Units)......................................................................... 55
7.3.3 From Manual Bypass (Q2) to normal function VFI................................................................................................................. 56
7.3.4 Separate a Unit from the parallel system (System Redundancy) .................................................................................. 58
7.3.5 Reconnect a Unit to a parallel system........................................................................................................................................ 59
7.3.6 Parallel system shutdown (No Load supply)............................................................................................................................ 60
7.3.7 Restore to normal operation after “total off” ........................................................................................................................... 62
7.3.8 Restore to normal operation after EPO (Emergency Power Off) ...................................................................................... 64
7.4 PROCEDURES FOR PARALLEL SYSTEM WITH COMMON BATTERY................................................................................ 66
7.4.1 Parallel System start-up.................................................................................................................................................................... 66
7.4.2 Maintenance system shutdown (Load supplied from Q2 on all Units)......................................................................... 68
7.4.3 From Manual Bypass (Q2) to normal function VFI................................................................................................................. 69
7.4.4 Separate a Unit from the parallel system (System Redundancy) .................................................................................. 71
7.4.5 Reconnect a Unit to a parallel system........................................................................................................................................ 72
7.4.6 Parallel system shutdown (No Load supply)............................................................................................................................ 73
7.4.7 Restore to normal operation after “total off” ........................................................................................................................... 75
7.4.8 Restore to normal operation after EPO (Emergency Power Off) ...................................................................................... 77
8 OPTIONS......................................................................................................................................................... 79
8.1 COMMUNICATION OPTIONS.......................................................................................................................................................... 79
8.2 OPTIONS IN UPS CABINET.............................................................................................................................................................. 79
8.3 CONNECTION FOR OPTIONS ......................................................................................................................................................... 80
8.3.1 Remote Signalling Box (RSB)............................................................................................................................................................ 80
9 MAINTENANCE.............................................................................................................................................. 81
9.1 MAINTENANCE .................................................................................................................................................................................... 81
9.1.1 Service check.......................................................................................................................................................................................... 81
9.1.2 Fans and ventilation............................................................................................................................................................................ 81
9.1.3 Other components with limited lifetime..................................................................................................................................... 81
9.1.4 Battery....................................................................................................................................................................................................... 81
9.1.5 Long shut-down periods of the UPS-system........................................................................................................................... 82
9.1.6 UPS room conditions and temperature...................................................................................................................................... 82
9.1.7 Long shut-down periods of the UPS-system........................................................................................................................... 82
10 NOTES............................................................................................................................................................. 83
10.1 NOTES FORM........................................................................................................................................................................................ 83