SYSTEMS AND METHODS FOR DE-ENERGIZED POINT-ON-WAVE RELAY OPERATIONS
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United States of America Patent
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Apr 1, 2021
app pub date -
Sep 30, 2019
filing date -
Sep 30, 2019
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Abstract
A point-on-wave relay device includes a first contact relay and a second contact relay in series with the first contact relay. A first state of the first contact relay in conjunction with a first state of the second contact relay causes a point-on-wave open operation and second state of the first contact relay in conjunction with a second state of the second contact relay causes a point-on-wave close operation.
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