A53 Z0 9 0020 L En Technical documentation
Chapter : Additional functions
Figure 63 – Automatic load/unload
Notes :
If there are no generators in "Forced running" mode, the priority generator with "remote start" always
starts and closes its breaker on the bus bar, even if there is no load.
When all generators are stopped and have "remote start" activated, upon start-up the "Forced running""
generators stay on the bus bar while the others coordinate stopping one by one.
Hours run: [2] ; the genset to start/stop will automatically be selected according to the GENSYS 2.0 hour
meter.
On increasing load demand, the next genset to be started is the one with fewest hours run
On decreasing load demand, the next genset to be stopped is the one with highest hours run
Note: If a generator starts and goes past the hours run by a generator which is stopped, the first one does
not immediately stop and the second one immediately start. Coordination between generators is activated
only during a load or unload request, i.e. in the next start/stop on load request.
Var. E1617: [3] ; (Only available in level 2) the genset start/stop sequence will follow the priority number
set in each GENSYS 2.0 in the variable [E1617] as described below..
Figure 64- Automatic load/unload sequence
Genset 3 is in forced RUN -> Genset 4 will start
first, and stop last upon load change
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