Apparatus and method for reverse power regulation with measured source side voltage
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United States of America Patent
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Oct 15, 2013
Grant Date -
Feb 25, 2010
app pub date -
Aug 19, 2009
filing date -
Aug 19, 2008
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Abstract
An apparatus and method for measuring the source-side line voltage from a source potential transformer (PT) of a regulator during reverse power flow. A reverse power regulation algorithm is employed during reverse power operation of the tapchanger to energize a contact relay which switches the analog voltage input from the load side to the source side of the regulator. Voltage regulation then operates based on the measured source side voltage instead of the traditional calculation of the source side voltage based upon the load-side voltage and regulator type.
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