For Load Demand Star/Stop regime:
- If the binary input Top Priority is active, the gen-set gets highest priority (0)
independent of the setpoint setting.
- If more than one gen-set have the same priority, they will act as “one big” gen-set.
For Load Demand Swap regime and Run Hour Equalisation:
- Priorities are managen automatically by the controller and value written in the setpoint
is ignored
- Binary input Top Priority has no function
6.11.5 Load Demand Start/Stop
The controller will decide to start the gen-set at the moment when the reserve has dropped
below the reserve for start and the gen-sets with higher priorities (lower priority numbers), that
are available for power management, do not have enough capacity to get the reserve back
over the start level or cannot fulfil the adjusted minimal running power
The controller will decide to stop the gen-set at the moment when the reserve has increased
over the reserve for stop and the gen-sets with higher priorities (lower priority numbers), that
are available for power management, have enough capacity to keep the reserve over the start
level and also can fulfil the adjusted minimal running power
NOTE:
When evaluating the stop condition, the controller computes actual reserve without taking in account
its own nominal power, i.e. it evaluates how the reserve will be if the respective gen-set stops.
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