HGM1790N Genset Controller User Manual Page 17 of 31
Configuring numbers of generator poles.
Alarm delay for generator over and under
voltage states.
When generator voltage exceeds this
value and stays so for the time of
“Generator Abnormal Time”, it is
regarded as over voltage and Generator
Over Voltage shutdown alarm is initiated.
If the voltage value is 1000V, over
voltage signal is not initiated.
When detected voltage falls below this
value and stays so for the time of
“Generator Abnormal Time”, it is
regarded as under voltage and Generator
Under Voltage shutdown alarm is
initiated. If the voltage value is 30V,
under voltage signal is not initiated.
When engine speed falls below this value
and stays so for 10s, this is regarded as
under speed and under speed alarm
shutdown signal is sent.
When engine speed exceeds this value
and stays so for 2s, this is regarded as
over speed and over speed alarm
shutdown signal is sent.
When generator frequency falls below
this value and not 0, and stays so for
10s, it is regarded as under frequency
and under frequency alarm shutdown is
initiated.
When generator frequency exceeds this
value and stays so for 2s, it is regarded
as an over frequency and over frequency
alarm shutdown is initiated.
When the temperature value of the
external temperature sensor exceeds
this threshold, high temperature signal is
sent. Detection starts after safety delay
and only concerns external temperature
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