H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 13/06 (2006.01) G05F 1/147 (2006.01)
Patent
CA 2159284
A voltage regulator controller of the types used with a multi-tap voltage regulator transformer having a plurality of tap positions for adjusting an output voltage in discrete tap position steps is provided with a number of control algorithms which are dynamically changed responsive to the measured oil temperature in the transformer. In one embodiment, the voltage regulator controller includes a memory having tap movement control code stored therein for controlling the tap positions in accordance with a plurality of tap position control algorithms, means for measuring the oil temperature of the voltage regulator transformer, means for monitoring the oil temperature within the transformer and, means for selecting one of the tap position control algorithms as being active as a function of the oil temperature.
Harlow James
Laplace Carl J.
Trainor Jack
Fetherstonhaugh & Co.
Siemens Energy & Automation Inc.
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