DECS-200 BESTCOMS Software 5-9
Automatic Voltage Regulator, Pre-position Setpoint.
Defines the pre-position setpoint for AVR mode. This
value replaces the AVR setpoint value if pre-position is selected and the AVR Pre-Position mode is
Maintain. The setting range is identical to the AVR Setpoint setting range. If sensing step-down
transformers are being used, primary voltage should be entered.
Automatic Voltage Regulator, Preposition Mode.
Determines whether or not the DECS-200 will respond to
further setpoint change commands once the operating setpoint is driven to the pre-position value. If
Maintain mode is selected, further setpoint changes are ignored. If Release mode is selected, subsequent
setpoint changes are possible by using Raise and Lower commands.
Field Current Regulator, FCR Setpoint.
Sets the field current setpoint when operating in FCR mode. The
range of this setting is based on the field current rating entered on the Rated Data tab of the System
Configuration screen. This setting is also controlled by the settings of the FCR Min and FCR Max fields.
Field Current Regulator, FCR Min.
Sets the minimum field current setpoint, expressed as a percentage of
the rated field current. A setting of 0 to 100% may be entered in 0.1% increments.
Field Current Regulator, FCR Max.
Sets the maximum field current setpoint, expressed as a percentage
of the rated field current. A setting of 1 to 120% may be entered in 0.1% increments.
Field Current Regulator, Traverse Rate.
Determines the time required to adjust the FCR setpoint from the
minimum value to the maximum value of the adjustment range. A setting of 10 to 200 seconds may be
entered in 1 second increments.
Field Current Regulator, Preposition Setpoint.
Defines the pre-position setpoint for FCR mode. This value
replaces the FCR setpoint value if pre-position is selected and the FCR Pre-Position mode is Maintain.
The setting range is identical to the FCR Setpoint setting range.
Field Current Regulator, Pre-position Mode.
Determines whether or not the DECS-200 will respond to
further setpoint change commands once the operating setpoint is driven to the pre-position value. If
Maintain mode is selected, further setpoint changes are ignored. If Release mode is selected, subsequent
setpoint changes are possible by using Raise and Lower commands.
Var/PF
Var/PF tab functions are illustrated in Figure 5-13 and described in the following paragraphs.
Figure 5-13. Setting Adjustments Screen, var/PF Tab
Reactive Power Control, var Setpoint.
Sets the reactive power setpoint when operating in var mode. The
range of this setting depends on the generator ratings entered on the Rated Data tab of the System
Configuration screen. This setting is also controlled by the settings of the var Min and var Max fields.
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