Setup Procedure
057-281 ISSUE: 1
Page 32 of 58
4.4.1.1
VOLTAGE PRESET
If the voltage preset is required to be
active, check the
Preset
Enable
parameter in the configuration and set
the
Anticlockwise Limit of Preset
and
Clockwise Limit of Preset
to give the
desired control span.
Write the configuration to the AVR.
With the generator set stopped, observe the setting on the SCADA
Diagnostic
display and turn the
preset to the desired voltage set point.
4.4.1.2
DROOP PRESET
NOTE: The droop function is described in the section entitled Operation elsewhere in this
document.
If the droop preset is required to be
active, check the
Preset Enable
parameter in the configuration and set
the
Clockwise Limit of Preset
to give
the desired control span for the
preset.
Write the configuration to the AVR.
With the generator set stopped,
observe the setting on the SCADA
Diagnostic
display and turn the preset
to the desired droop set point.
4.4.1.3
UNDER FREQUENCY ROLL OFF (UFRO) PRESET
NOTE: The UFRO function is described in the section entitled Operation elsewhere in this
document.
NOTE: To disable the UFRO function, disable the Preset and adjust Knee Point to
minimum value.
If the UFRO preset is required to be
active, check the
Preset Enable
parameter in the configuration and set the
Anticlockwise Limit Of Preset
to give the
desired control span for the preset.
Write the configuration to the AVR.
With the generator set stopped, observe
the setting on the SCADA
Diagnostic
display and turn the preset to the desired
UFRO set point.
Consult the alternator manufacturer’s documentation in order to determine suitable settings for the
UFRO function.
