237Section 12 Paralleling System InformationTP-6953 7/19
VAR Control Mode
The VAR Control mode parameters set the means that
the controller uses to control reactive power in baseload
and system control mode. This parameter has no effect
when the generators are islanded and are merely
sharing the power supplied to the load between them.
The modes are:
D PF Control Mode = 0. Power Factor Control mode
indicates that the reactive power target is related to
the real power output level.
D VAR Control Mode = 1. VAR Control mode indicates
that the reactive power target is not related to the real
power output.
Range: PF Control Mode = 0, VAR Control Mode = 1
Default: PF Control Mode
External Bias Inputs Enabled
The external speed and voltage bias are set to 0
internally unless they are enabled. When enabled, they
are controlled by the voltage applied to the external bias
inputs. If there are no wires connected to the inputs, the
biases will still read 0, as the inputs are pulled down to
-3.3V, which is outside the normal range (0.5 to 4.5V). If
a wire feeding the speed or voltage bias loses
connection, the input should also revert to -3.3V (0 bias).
Range: False - True
Default: False
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