PROBLEM TO BE SOLVED: To provide a controller and control system capable of improving power generation efficiency of a rotary electric machine.SOLUTION: A vehicle comprises an engine 100, an electric generator 200, and a motor 300. The electric generator 200 is constituted by a variable field rotary electric machine whose field magnetic flux is variable. An ECU 500 controls field current of the electric generator 200 in order to increase or decrease a field magnetic flux of the electric generator 200 so as to maximize power generation efficiency, according to request torque and angular speed (speed of rotation) of the electric generator 200 and an operation state of the engine 100. The ECU 500: suppresses a drag loss of the electric generator 200 by minimizing the field magnetic flux in an engine stop state; and makes the field magnetic flux increase according to the request torque in an engine operation state.

    【課題】回転電機の発電効率を向上させることができる制御装置及び制御システムを提供する。【解決手段】車両はエンジン100、発電機200、モータ300を備え、発電機200は界磁磁束を可変とする可変界磁型の回転電機で構成される。ECU500は発電機200の要求トルク、角速度(回転数)、エンジン100の運転状態に応じ、発電効率が最大となるように発電機200の界磁磁束を増減すべく発電機200の界磁電流を制御する。ECU500はエンジン停止状態では界磁磁束を最小として発電機200の引きずり損を抑制し、エンジン運転状態では要求トルクに応じて界磁磁束を増大させる。【選択図】図1


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    Title :

    CONTROLLER FOR ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE CONTROL SYSTEM


    Additional title:

    回転電機の制御装置及び回転電機制御システム


    Contributors:

    Publication date :

    2015-10-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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