HMC6 Power Management Controller User Manual Page 65 of 87
This input is active when shore power supplies.
When input port is active, divide a phase of busbar
based on current busbar genset configuration; only
the unit scheduled on this busbar is active.
Capacity
Insufficient
Reduce Load
Input
When heavy load is requesting, if all normal gensets
are online and still cannot meet requested power; if
this input is active, it will make NEL trip.
Abnormal Trip of
Main Switch
When the input port is active, the controller tripping
alarms.
Numbers of
Running Units
Reserved
When the input port is active, the units with load
running in the network >= numbers of running units
reserved.
No Power Loss
of the Ship
No power loss of the ship when the input port is
active.
If module is not set as SG mode, the controller will
work in SG mode when input port is effective.
When input port is effective, DG starts on-load,
otherwise, SG starts on-load.
SG Solenoid
Valve Closing
Feedback
When the controller works in SG mode and input
port is effective, SG is allowed to start. Otherwise,
SG is not allowed to start.
When input port is effective, the controller will limit
the max. output power of the genset according to
the set drop value.
When input port is active, SG starts on-load and
selects load distribution according to load mode.
When input port is active, DG starts on-load and
selects load distribution according to load mode.
When input port is active, all DG are disconnected
and the load is transferred to the other power
supply units.
Busbar Outage
Closing Input
When input port is active, DG controller detects that
the busbar is outage then allows DG switch to
close.