9.9.8 Emergency-main busbar maximum parallel time
This alarm is for the maximum time that the emergency genset may run in parallel to the main busbar.
The timer starts when the emergency genset is synchronised with the main busbar. The alarm action is Trip
tie breaker and the alarm is latched.
Configure the parameters under Configure > Parameters > Local power management > Parallel timers > EDG max. parallel
time.
Table 9.15
Default parameters
Parameter Range Default
Delay 0.1 s to 1 h 30.0 s
Enable Not enabled, Enabled Enabled
INFO
This alarm is ONLY present in the EMERGENCY genset controller.
INFO
This alarm is disabled during the parallel test.
9.9.9 Other EMERGENCY genset controller alarms
The following alarms are included on both the GENSET and EMERGENCY genset controllers:
• Emergency stop
• Primary running feedback failure
• Crank failure
• Start failure
• Engine start (external)
• Voltage or frequency not OK
• Stop failure
• Engine stop (external)
• Overspeed
• Underspeed
• Start enable removed during start
• Total running hours notification
• Trip running hours notification
• EIM # relay 4 wire break*
• Magnetic pickup wire break*
More information
For the alarms marked with *, see Hardware characteristics and configuration for more information.
For the other alarms, see GENSET controller, GENSET controller alarms for more information.
DESIGNER'S HANDBOOK 4189340911K UK Page 352 of 521