Table 9.10
EMERGENCY genset controller inhibits
Inhibit
Disables the alarm when ...
Engine running
Running detection is ON.
Engine not running
Running detection is OFF.
Generator breaker closed
The
Generator breaker > Feedback > Closed
digital input is activated.
Generator breaker open
The
Generator breaker > Feedback > Open
digital input is activated.
Tie breaker closed
The
Tie breaker > Feedback > Closed
digital input is activated.
Tie breaker open
The
Tie breaker > Feedback > Open
digital input is activated.
Generator voltage present
The generator voltage is above 10% of the nominal voltage.
No generator voltage
The generator voltage is below 10% of the nominal voltage.
Generator frequency present
The generator frequency is above 10% of the nominal frequency.
No generator frequency
The generator frequency is below 10% of the nominal frequency.
EDG in parallel
The generator breaker and the tie breaker are closed at the same time.
Controller under SWBD control
The
Mode > Switchboard control
digital input is activated, OR a system problem forced the
controller under switchboard control.
EDG handling blackout
The emergency genset is supplying power to the emergency busbar due to a blackout on the
main busbar.
Engine stopping
Inhibit 1
The
Inhibits > Activate inhibit 1
digital input is activated.
Inhibit 2
The
Inhibits > Activate inhibit 2
digital input is activated.
Inhibit 3
The
Inhibits > Activate inhibit 3
digital input is activated.
9.9.4 Breaker alarms
More information
The
Breakers, synchronisation and de-loading
chapter describes breaker handling and alarms in general.
The following table shows where to configure these alarms for the EMERGENCY genset controller, as well as which general alarm
corresponds to each EMERGENCY genset controller alarm.
Table 9.11
Breaker alarm names for the EMERGENCY genset controller
EMERGENCY genset alarm
Configure > Parameters >
General name
GB synchronisation failure
Breakers > Generator breaker monitoring > Synchronisation
failure
Breaker synchronisation failure
GB de-load failure
Breakers > Generator breaker monitoring > De-load failure
Breaker de-load failure
Vector mismatch
Breakers > Generator breaker monitoring > Vector mismatch
Vector mismatch
GB opening failure
Breakers > Generator breaker monitoring > Opening failure
Breaker opening failure
GB closing failure
Breakers > Generator breaker monitoring > Closing failure
Breaker closing failure
GB position failure
Breakers > Generator breaker monitoring > Position failure
Breaker position failure
GB trip (external)
Breakers > Generator breaker monitoring > Tripped (external) Breaker trip (external)
GB short circuit
Breakers > Generator breaker monitoring > Short circuit
Breaker short circuit
GB configuration failure
-
Breaker configuration failure
TB synchronisation failure
Breakers > Tie breaker configuration > Synchronisation failure Breaker synchronisation failure
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