Deif PPM 300 - 7. Configure; 7.2 Priority

6.7.2 AVR relay setup incomplete..................................................................................................................................................................................... 201
6.7.3 GOV output selection failure.................................................................................................................................................................................... 201
6.7.4 AVR output selection failure..................................................................................................................................................................................... 202
6.7.5 GOV stand-alone configuration error....................................................................................................................................................................202
6.7.6 AVR stand-alone configuration error.....................................................................................................................................................................202
6.8 Regulation alarms................................................................................................................................................................................................................ 203
6.8.1 GOV regulation error................................................................................................................................................................................................... 203
6.8.2 AVR regulation error.................................................................................................................................................................................................... 204
6.8.3 P load sharing failure...................................................................................................................................................................................................205
6.8.4 Q load sharing failure.................................................................................................................................................................................................. 205
7. Power management
7.1 Power management principles......................................................................................................................................................................................207
7.1.1 Introduction......................................................................................................................................................................................................................207
7.1.2 Power management functions.................................................................................................................................................................................209
7.1.3 Busbar sections..............................................................................................................................................................................................................211
7.1.4 Ring busbar connection..............................................................................................................................................................................................212
7.1.5 Local power management.........................................................................................................................................................................................213
7.1.6 Section power management.....................................................................................................................................................................................214
7.1.7 System power management.....................................................................................................................................................................................216
7.1.8 Parallel operation.......................................................................................................................................................................................................... 216
7.1.9 Managing missing controllers.................................................................................................................................................................................. 217
7.2 Connected, consumed and available power..........................................................................................................................................................217
7.2.1 Power calculations........................................................................................................................................................................................................217
7.2.2 Power reservation.........................................................................................................................................................................................................220
7.2.3 Power analogue outputs............................................................................................................................................................................................ 221
7.3 Genset priority........................................................................................................................................................................................................................222
7.3.1 Genset start and stop priority order.......................................................................................................................................................................222
7.3.2 Priority selection method............................................................................................................................................................................................223
7.3.3 Manual genset priority.................................................................................................................................................................................................223
7.3.4 Dynamic genset priority..............................................................................................................................................................................................224
7.3.5 Running hours for genset priority........................................................................................................................................................................... 225
7.3.6 Genset priority digital outputs.................................................................................................................................................................................. 226
7.4 Genset start and stop.........................................................................................................................................................................................................227
7.4.1 Introduction......................................................................................................................................................................................................................227
7.4.2 Load-dependent start configuration...................................................................................................................................................................... 228
7.4.3 Load-dependent start flowchart.............................................................................................................................................................................. 230
7.4.4 Load-dependent stop configuration.......................................................................................................................................................................231
7.4.5 Load-dependent stop flowchart...............................................................................................................................................................................234
7.4.6 Power method for load-dependent start and stop...........................................................................................................................................234
7.4.7 Power method and hysteresis................................................................................................................................................................................. 235
7.4.8 Percent method for load-dependent start and stop........................................................................................................................................ 236
7.4.9 Percent method and hysteresis.............................................................................................................................................................................. 237
7.4.10 Non-connected genset............................................................................................................................................................................................. 238
7.4.11 Precautionary genset start......................................................................................................................................................................................239
7.4.12 Number of gensets connected..............................................................................................................................................................................241
7.5 Blackout.....................................................................................................................................................................................................................................242
7.5.1 Blackout and blackout recovery conditions........................................................................................................................................................242
7.5.2 Blackout recovery configuration..............................................................................................................................................................................243
DESIGNER'S HANDBOOK 4189340911K UK Page 7 of 521