Rotational speed detection device and detection method of permanent-magnet synchronous motor

The invention discloses a rotational speed detection device and detection method of a permanent-magnet synchronous motor. The device comprises a DC voltage source, a three-phase full-bridge inverter, a high-resistance resistor and a permanent-magnet synchronous motor, wherein the DC voltage source i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI HANPEI, WEI HAIFENG
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
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