REDUNDANT POWER MODULE AND DISCHARGE CIRCUIT FOR IMPROVED SUBSTATION DEVICE AVAILABILITY
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United States of America Patent
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Issued Date -
Jun 3, 2021
app pub date -
Feb 8, 2021
filing date -
Feb 8, 2021
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Abstract
Disclosed herein are systems for maintaining protection of electric power delivery systems in the event of a control power failure or other anomaly. A reliable power module conditions electric power from multiple independent sources and provides electrical operational power to electric power delivery system protective loads. The reliable power module includes an energy storage device for providing operational power even upon loss of all control power sources. The energy storage may be sufficient to ride through expected losses such as a time to start up backup generation. The energy storage may be sufficient to power a trip coil. Thus, electric power system protection is maintained even upon loss of control power. A discharge circuit is provided to allow an operator to de-energize an energy storage device.
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