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Line-drop Compensation Inputs to CGCM-DLR Unit
• LineDropComp - This tag configures the amount of voltage droop that is
experienced during paralleling generator applications.
Under-excitation Limit Inputs to CGCM-DLR Unit
• UEL_En - The setting of this tag enables the Under-excitation Limiting
function.
• UEL_Kg - This tag lets you adjust the proportional gain of the
Under-excitation limiter. It also determines the response of the limiter to
an Under-excitation event. An increase in this term increases the speed of
the response of the limiter.
• UEL_Ki - This tag lets you adjust coarse loop gain and overall gain of the
Under-excitation limiter. This tag determines the characteristic of the
dynamic response to an Under-excitation event.
• UEL_Curve_W_Pt1 – This tag is used as the watt coordinate in the first
watt, VAR coordinate pair, that, in combination with four other watt, VAR
coordinate pairs, lets you enter an Under-excitation Limiting curve.
• UEL_Curve_W_Pt2 – This tag is used as the watt coordinate in the
second watt, VAR coordinate pair, that, in combination with four other
watt, VAR coordinate pairs, lets you enter an Under-excitation Limiting
curve.
• UEL_Curve_W_Pt3 - This tag is used as the watt coordinate in the third
watt, VAR coordinate pair, that, in combination with four other watt, VAR
coordinate pairs, lets you enter an Under-excitation Limiting curve.
• UEL_Curve_W_Pt4 - This tag is used as the watt coordinate in the
fourth watt, VAR coordinate pair, that, in combination with four other
watt, VAR coordinate pairs, lets you enter an Under-excitation Limiting
curve.
• UEL_Curve_W_Pt5 - This tag is used as the watt coordinate in the fifth
watt, VAR coordinate pair, that, in combination with four other watt, VAR
coordinate pairs, lets you enter an Under-excitation Limiting curve.
• UEL_Curve_VAR_Pt1 - This tag is used as the VAR coordinate in the
first watt, VAR coordinate pair, that, in combination with four other watt,
VAR coordinate pairs, lets you enter an Under-excitation Limiting curve.
• UEL_Curve_VAR_Pt2 - This tag is used as the VAR coordinate in the
second watt, VAR coordinate pair, that, in combination with four other
watt, VAR coordinate pairs, lets you enter an Under-excitation Limiting
curve.
• UEL_Curve_VAR_Pt3 - This tag is used as the VAR coordinate in the
third watt, VAR coordinate pair, that, in combination with four other watt,
VAR coordinate pairs, lets you enter an Under-excitation Limiting curve.
• UEL_Curve_VAR_Pt4 - This tag is used as the VAR coordinate in the
fourth watt, VAR coordinate pair, that, in combination with four other
watt, VAR coordinate pairs, lets you enter an Under-excitation Limiting
curve.
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
Detailed CGCM-DLR Unit Tag Descriptions
Appendix E
229
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