METHOD FOR CONTROLLING MOTOR AND DEVICE FOR CONTROLLING MOTOR

A method for controlling a motor having windings of a plurality of phases and a cooling water channel, the motor control method having an estimation step for calculating an estimated maximum temperature of the winding of the phase that reaches the highest temperature from among the windings of a plu...

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Bibliographische Detailangaben
Hauptverfasser:	KAIMORI, Tomoaki, MATSUMURA, Kazuhiro, MATSUMOTO, Kazuhiko
Format:	Patent
Sprache:	eng ; fre ; ger
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 for controlling a motor having windings of a plurality of phases and a cooling water channel, the motor control method having an estimation step for calculating an estimated maximum temperature of the winding of the phase that reaches the highest temperature from among the windings of a plurality of phases based on input electrical power when the motor is in a lock state, a correction step for calculating an offset value based on a detected temperature of the windings and a detected temperature of the cooling water, and correcting the estimated maximum temperature based on the temperature of the windings and the offset value, and a control step for controlling the input electrical power according to the estimated maximum temperature.