9.8.6 Temperature-dependent start/stop........................................................................................................................................................................ 346
9.8.7 Engine states as digital outputs.............................................................................................................................................................................. 346
9.8.8 Engine operating values as analogue outputs..................................................................................................................................................346
9.8.9 Counters........................................................................................................................................................................................................................... 346
9.8.10 EMERGENCY genset controller without regulation.....................................................................................................................................346
9.8.11 Trip AVR..........................................................................................................................................................................................................................346
9.9 EMERGENCY genset controller protections......................................................................................................................................................... 347
9.9.1 EMERGENCY genset controller alarms..............................................................................................................................................................347
9.9.2 Alarm actions.................................................................................................................................................................................................................. 348
9.9.3 Inhibits................................................................................................................................................................................................................................348
9.9.4 Breaker alarms...............................................................................................................................................................................................................349
9.9.5 AC alarms.........................................................................................................................................................................................................................350
9.9.6 Non-essential loads......................................................................................................................................................................................................351
9.9.7 EDG not ready for blackout...................................................................................................................................................................................... 351
9.9.8 Emergency-main busbar maximum parallel time............................................................................................................................................ 352
9.9.9 Other EMERGENCY genset controller alarms.................................................................................................................................................352
10. SHAFT generator controller
10.1 SHAFT generator controller overview.................................................................................................................................................................... 353
10.1.1 Description.................................................................................................................................................................................................................... 353
10.1.2 Applications...................................................................................................................................................................................................................353
10.1.3 SHAFT generator controller functions............................................................................................................................................................... 353
10.2 SHAFT generator controller principles.................................................................................................................................................................. 354
10.2.1 Adding a SHAFT generator controller to the single-line diagram.......................................................................................................... 354
10.2.2 Nominal settings......................................................................................................................................................................................................... 355
10.2.3 Power management.................................................................................................................................................................................................. 355
10.2.4 Running detection...................................................................................................................................................................................................... 355
10.2.5 AC configuration......................................................................................................................................................................................................... 356
10.2.6 Breaker configuration................................................................................................................................................................................................356
10.3 Shaft generator breaker..................................................................................................................................................................................................356
10.3.1 Introduction................................................................................................................................................................................................................... 356
10.3.2 Shaft generator breaker close flowchart...........................................................................................................................................................356
10.3.3 Shaft generator breaker open flowchart........................................................................................................................................................... 358
10.3.4 Shaft generator breaker blackout close flowchart........................................................................................................................................ 359
10.3.5 Shaft generator breaker trip flowchart............................................................................................................................................................... 360
10.4 Other SHAFT generator controller functions......................................................................................................................................................361
10.4.1 Power take home (PTH)..........................................................................................................................................................................................361
10.4.2 Shaft generator base load...................................................................................................................................................................................... 365
10.4.3 Shaft generator load transfer without parallel.................................................................................................................................................366
10.4.4 Shaft generator frequency variation................................................................................................................................................................... 366
10.4.5 Temperature-dependent power derating.......................................................................................................................................................... 367
10.4.6 Shaft generator fixed speed...................................................................................................................................................................................367
10.4.7 Engine states as digital outputs............................................................................................................................................................................368
10.4.8 Engine operating values as analogue outputs...............................................................................................................................................368
10.4.9 Shaft generator regulation...................................................................................................................................................................................... 368
10.4.10 Counters...................................................................................................................................................................................................................... 370
10.4.11 Trip AVR....................................................................................................................................................................................................................... 371
10.5 SHAFT generator controller protections...............................................................................................................................................................371
10.5.1 SHAFT generator controller alarms....................................................................................................................................................................371
DESIGNER'S HANDBOOK 4189340911K UK Page 11 of 521
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