ERRONEOUS OPERATION PREVENTING DEVICE FOR MAIN AND STANDBY POWER RECEIVING LOOP SWITCHING

PURPOSE:To prevent a service interruption accident by an erroneous operation by providing normal and standby breakers for normal and standby power receiving circuits, normal and standby relays for detecting their accident currents, an auxiliary relay for locking the operation of the standby relay an...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	UCHIDA KAZUMASA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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