ESCALATOR CONTROL DEVICE USING PERMANENT-MAGNETTYPE SYNCHRONOUS MOTOR

PROBLEM TO BE SOLVED: To start a motor without any magnetic pole sensor and control an adequate rotor angle synchronous with a magnetic pole position of a rotor, by providing a device for detecting synchronousness of rotation speed of a rotor with speed command from a speed control system after moto...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NIHEI HIDEKI, NOKITA AKIHIRO, NAGASE HIROSHI, SUZUKI YASUTAKA, ANDO TAKEYOSHI
Format:	Patent
Sprache:	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 ELEVATORS ESCALATORS OR MOVING WALKWAYS GENERATION HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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