SWITCH OPERATION CHARACTERISTIC MONITORING DEVICE

PURPOSE:To monitor the operation characteristic after an operation start command is issued until the start by providing a signal processing unit which amplifies the secondary side current of a CT detecting the exciting current of a control circuit and compares it with the preset reference value and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NISHIO ISAO, HOSOKAWA IKUO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RELAYS SELECTORS TESTING
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