PROBLEM TO BE SOLVED: To achieve recovery of electric power even when a switching element of an inverter has a short-circuit fault.SOLUTION: An inverter control device 2 includes: a short-circuit fault detection part 20 for detecting a short-circuit failure of a switching element; short-circuit fault control part 21 which transits switching elements of all arms on the opposite side to an arm having a short-circuit fault to OFF within such a period that the motor 5 generates a motor current after detecting the short-circuit fault and which performs direct control to turn ON after the switching elements of any other arms than the arm having the short-circuit fault are turned OFF.SELECTED DRAWING: Figure 2

    【課題】インバータのスイッチング素子が短絡故障した場合でも電力の回収を可能にする。【解決手段】インバータ制御装置2は、スイッチング素子の短絡故障を検出する短絡故障検出部20と、短絡故障の検出後、モータ5がモータ電流を発生している期間においては、短絡故障のあったアームとは反対側の全アームのスイッチング素子をオフに遷移させると共に、短絡故障のあったアームの残りのアームのスイッチング素子をオフした後にオンする断接制御を行う短絡故障時制御部21とを具備する【選択図】図2


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    Title :

    INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD


    Additional title:

    インバータ制御装置及びインバータ制御方法


    Contributors:

    Publication date :

    2016-12-22


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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