Function
GENSET
EMERGENCY genset
SHAFT generator
SHORE connection
BUS TIE breaker
[Breaker] Generator breaker
Emergency generator
breaker
Shaft generator
breaker
Shore connection
breaker
Bus tie breaker
[Open] GB open EGB open SGB open SCB open BTB open
MORE INFORMATION
See Default wiring for controller types for the wiring diagrams for these functions.
10.1.5 Parameter requirements
Current transformer
The Secondary current transformer parameter must be configured to 1 A on the controllers that are used as a safety system
(primary short circuit protection). Set this parameter in the controller under Configure > Parameters > Generator > AC setup >
Current transformer
Table 10.2
The range and default configurations in the controller for the secondary current transformer.
Parameter Range Default
Secondary 1 A or 5 A 1 A
Fast over-current #
Enable at least one of the fast over-current protections on the controllers that are used as a safety system (primary short-circuit
protection).
Enable these protections under Configure > Parameters > Generator > Current protections > Fast over-current # > Enable,
where # is 1 or 2.
Table 10.3
The range and default configurations in the controller for the fast over-current protections.
Parameter Range Fast over-current 1 Fast over-current 2
Set point 80 to 350 % of nominal current 200 % 300 %
Delay 0.00 s to 1 h 0.00 s 0.00 s
Enable Not enabled, Enabled Not enabled* Not enabled*
Latch Not enabled, Enabled Enabled Enabled
Action Trip [Breaker] Trip [Breaker]
* Note: At least one of the Fast over-current protections must be enabled.
MORE INFORMATION
See the PICUS manual for more information about how to configure parameters using PICUS.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 134 of 144
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