Method of starting brushless DC motor on the basis of induced voltage in armature coil for detection of position of rotor

Method of starting brushless DC motor on the basis of induced voltage in armature coil for detection of position of rotor

A method is provided for rapidly starting a brushless DC motor including an armature coil in a stator and field magnets in a rotor. The method is composed of supplying a starting current for the armature coil while the rotor is in a stationary state, measuring an induced voltage induced in the armat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ARAKI NORIHIKO
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
GENERATION
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Beschreibung
Zusammenfassung:A method is provided for rapidly starting a brushless DC motor including an armature coil in a stator and field magnets in a rotor. The method is composed of supplying a starting current for the armature coil while the rotor is in a stationary state, measuring an induced voltage induced in the armature coil by rotation of the rotor caused by the starting current, and supplying a drive current for the armature coil in response to the induced voltage.