SENSORLESS DETECTION METHOD OF ROTOR POSITION

PROBLEM TO BE SOLVED: To provide a sensorless detection method of rotor position in which the conduction sound of a current is reduced without lowering detection precision. SOLUTION: The sensorless detection method of rotor position for detecting the rotor position of a single motor M being driven o...

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Bibliographic Details
Main Authors URUSHIBARA KEISUKE, AMANO ATSUSHI, IMAI HIROMICHI
Format Patent
LanguageEnglish
Published 18.05.2006
Subjects
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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Summary:PROBLEM TO BE SOLVED: To provide a sensorless detection method of rotor position in which the conduction sound of a current is reduced without lowering detection precision. SOLUTION: The sensorless detection method of rotor position for detecting the rotor position of a single motor M being driven or regenerated by a first inverter 3 and a second inverter 4 comprises a step for conducting a current i to the first inverter 3 out of the first inverter 3 and the second inverter 4 and detecting the rotor position from the combined inductance of the motor M which varies with the current i. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040318014