A53 Z0 9 0020 L En Technical documentation
Chapter : Additional functions
13.1.4
Integral inhibition
To disable this type of load sharing and return to the old type, apply the “Disable value” from the table
below.
The variables involved in the new type of load sharing are:
Parameter to set the Global gain.
Parameter to set the Proportional
gain.
Parameter to set the Integral gain.
Parameter to control the central
frequency, acting as a frequency
standard
If 1 this GENSYS 2.0 is the master.
Table 35 –Integral inhibition
Warning:
When the CAN bus is not used, you have to disable load sharing (see table above).
In the case of a CAN bus failure where [E1259] is not set at 6 (load sharing in droop
disabled), you also have to disable load sharing.
13.2
Operator controlled return to mains
Normal operation: In the case of mains failure, the engine starts and takes the load. When the mains
voltage returns, the engine resynchronizes with the mains and automatically gives back the load.
The “Operator controlled return to mains” special function (set with the parameter [E1620] = 1) allows the
operator to control the moment the engine will return the load to the mains.
To do this, a digital input of the GENSYS2.0 must be set as “Manual main back” [E2850]. The unit will wait
the synchronization order provide by the digital input before re-synchronizing the engine to the mains.
13.3
Mains electrical fault
Mains electrical fault management: dedicated parameters and default values
Indicates if the generating set should be started on Mains
electrical fault appearance.
Indicates which circuit breaker should be opened on Mains
electrical fault appearance. Choose between Mains, Generating set
or Both.
Delay before start sequence begins on Mains electrical fault
appearance.
No load delay. Indicates the time to let the engine run without
load when generating set circuit breaker is opened. If set to 0,
engine will never stop.
Table 36 -Mains electrical fault
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