PT (potential transformer) loop disconnection detection method for shutdown state generator rotating speed measuring device

The invention provides a PT loop disconnection detection method for a generator rotating speed measuring device in a shutdown state, and the method comprises the steps: adding a 20Hz low-frequency power supply to a generator in a shutdown state based on an existing injection type stator grounding pr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG YUANHONG, ZHENG ZHISHEN, JIN WEI, LIU HONGBIN, DAI WENLONG, ZHANG XINTIAN, XIONG FEI, PI YUEYIN, QI DI, ZHANG SHUAI, LI YIGANG, LIU SENYANG, ZHANG HUIJUN, LU TAO, YANG HESHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ELECTRIC VARIABLES MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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