Relay failure detection system

A relay fault detection and correction system includes a signal detector structured to measure primary and secondary signals, and generates a fault output signal if the signals appear to be unterminated due to a relay not connecting the signals to the loads. A cycle circuit is structured to cause a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DAVIES ROBERT, OVERTON MICHAEL S, CHABRECK THOMAS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A relay fault detection and correction system includes a signal detector structured to measure primary and secondary signals, and generates a fault output signal if the signals appear to be unterminated due to a relay not connecting the signals to the loads. A cycle circuit is structured to cause a relay controller to cycle a potentially under-performing relay between its states a number of times after the signal detector generates the fault output.