FLUX OFFSET COMPENSATION FOR ROTARY ELECTRIC MACHINE

PROBLEM TO BE SOLVED: To provide a method for more accurately correcting an error in the open loop control of a rotary electric machine.SOLUTION: In controlling a rotary electric machine 20, a flux drift caused by measurement and/or a calculation error is corrected. The flux drift of an estimated fl...

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Bibliographische Detailangaben
Hauptverfasser:	CHRISTIAN STULZ, HALINA BURZYANOBSKA
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:	PROBLEM TO BE SOLVED: To provide a method for more accurately correcting an error in the open loop control of a rotary electric machine.SOLUTION: In controlling a rotary electric machine 20, a flux drift caused by measurement and/or a calculation error is corrected. The flux drift of an estimated flux vector may be corrected by comparing a size of reference flux and a length of the flux vector, which are determined for inverter control, with each other. According to the comparison result, the length of the estimated flux vector is adjusted to be longer or shorter.