Method and apparatus for sensing loss of regulation in a ferroresonant transformer
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United States of America Patent
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-
Dec 4, 1990
Grant Date -
N/A
app pub date -
Dec 18, 1989
filing date -
Dec 18, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for detecting the loss of regulation in ferroresonant transformer is disclosed. The flux in the magnetic shunts is sensed by a winding. The resulting signal is differentiated. If the differentiated signal contains pulses, regulation is present, if no pulses are found the transformer is not in regulation.
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