GEH-7299A: Installation, Operation and Maintenance Manual
for Type VR1™ Single-Phase, Step Type Regulators
prolec.energy/prolecge
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4.2 Load Bonus Feature
The load-bonus feature provides a means of operating the regulator at increased load by decreasing the range of regulation
regulation (with a limit of 668 amperes). Percentages of current ratings for various ranges of regulation are:
Refer to nameplate for current ratings at load-bonus settings. To make adjustments, set the limit switches to the desired
regulation range by lifting the knob and moving it to the desired setting (Figure 12.).
Note: The regulator does not need to be de-energized when making regulation adjustments.
To reset the drag hands on the load-bonus position indicator, press the drag-hand reset button on the drag- hand reset button
on the lower left corner of the GE-2994 Adapter Panel. Drag hands will reset automatically.
Range of Voltage 10 8.75 7.5 6.26 5
Current Rating 100 110 120 135 160
Table 4. Percentages of Current Ratings for Various Ranges of Voltage Regulation
Figure 11. CT Shorting Switch & PT Disconnect Switch
CT Shorting Switch
Knife Switch Cover
PT Disconnect Switch
Warning: Exposed Electrical Connections. Do not touch any exposed electrical connections unless the voltage
regulator is de-energized or insulated tools or gloves are used. See instruction book for procedure to de-energize
voltage regulator.
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