IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
This setpoint adjusts the period of time that the phase angle difference must stay
within +/-Phase Window and voltage difference within Voltage Window before the
respective breaker, which is actually beeing synchronized, is closed.
Setpoint: Freq gain
This setpoint adjusts the gain factor (P-factor) of the frequency control PI loop.
The integration factor (I-factor) for the frequency loop is adjusted by the setpoint
Freq int.
NOTE:
See the chapter Regulation loops overview for general information about
regulation loops and their adjustment.
Setpoint: Freq int
This setpoint adjusts the relative integration factor (I-factor) of the frequency
control PI loop. The gain factor (P-factor) for the frequency loop is adjusted by the
setpoint Freq gain.
Setpoint: Freq reg loop
ALL THE TIME, SYNC ONLY, GCB OPEN [-]
This setpoint selects when is the frequency regulation loop active.
The frequency regulation loop is active only during synchronizing
to match the generator and mains frequencies together. It is
assumed that in all other situations where the frequency is to be
regulated the engine governor maintains it self.
NOTE:
This option is suitable for most governors.
SPtM, SPI, Combi: This option activates the frequency regulation
loop also while the gen-set is running without load and during the
island operation. The controller maintains frequency at it's nominal
value adjusted by setpoint system frequency (Nominal Freq +
Nom frq offset).
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