8.7.19 DG-SG max. parallel time
This alarm limits the time that a genset may run in parallel to a shaft generator.
The timer starts when the genset or emergency genset are synchronised with the shaft
generator.
Controller types: If a SHAFT generator controller is present in the system, these
alarms are present in GENSET and EMERGENCY genset controllers.
Configure the parameters under Configure > Parameters > Local power management > Parallel timers > DG-SG max parallel
time. The alarm action is always Trip generator breaker, latch enabled.
Table 8.44
Default parameters
Parameter Range Default
Delay 0.1 s to 1 h 1 min
Enable Not enabled, Enabled Enabled
More information
See SHAFT generator controller, SHAFT generator controller protections, SG-DG max. parallel time for the alarm in
the SHAFT generator controller that trips the shaft generator breaker.
8.7.20 DG-SC max. parallel time
This alarm limits the time that a genset may run in parallel to a shore connection.
The timer starts when the genset or emergency genset are synchronised with the
shore connection.
Controller types: If a SHORE connection controller is present in the system, this alarm
is present in GENSET and EMERGENCY genset controllers.
Configure the parameters under Configure > Parameters > Local power management > Parallel timers > DG-SC max parallel
time. The alarm action is always Trip generator breaker, latch enabled.
Table 8.45
Default parameters
Parameter Range Default
Delay 0.1 s to 1 h 1 min
Enable Not enabled, Enabled Enabled
More information
See SHORE connection controller, SHORE connection controller protections, SC-DG max. parallel time for the
alarm in the SHORE connection controller that trips the shore connection breaker.
8.7.21 Other GENSET controller alarms
The following alarms are also included on the GENSET controller:
• EIM # relay 4 wire break
• Magnetic pickup wire break
DESIGNER'S HANDBOOK 4189340911K UK Page 319 of 521
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