Manual 26174 EGCP-2 Engine Generator Control Package
Woodward 67
Figure 4-12. ATS (Automatic Transfer Switch) Status.
Mains: A graphic display of the mains condition. Two minus symbols (--)
indicates the mains are out of spec, one plus symbol indicates the mains are in
spec, but not declared stable (+-) two plus symbols (++) indicate mains are in
spec and stable.
Gen: A graphic display of the gen condition. Two minus symbols (--) indicates the
generator is out of spec, one plus symbol indicates the generator is in spec, but
not declared stable (+-) two plus symbols (++) indicate generator is in spec and
stable.
Mains Breaker: The state of the mains breaker as determined by the mains CB
aux discrete input.
Gen Breaker: The state of the generator breaker as determined by the gen CB
aux discrete input.
Synch: The synchronizer control state.
Mains/Bus: The PT input being sensed by the mains/bus PT input through the
mains disconnect, bus connect discrete output logic.
Bus Dead: An indication of a live or dead local bus as determined by the voltage
on the bus, and state of the generator and mains breaker inputs.
Master Sync Cmd: The master synchronizing and load control bias command
(%).
Master Volt Cmd: The master voltage bias command (%).
The master sync and master volt commands are only active in Slave
units that are in AUTO.
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