PROBLEM TO BE SOLVED: To provide an inverter control apparatus and an inverter control method, which enable suppression of noise generated when a motor is locked.SOLUTION: An inverter control apparatus includes: an inverter, having plural pairs of switching elements electrically connected respectively to both terminals of a DC power supply and constituted by an upper arm and a lower arm in each phase, for converting a DC current of the DC power supply into a multi-phase AC voltage and outputting it to a motor; and a controller for controlling On/Off operations of respective switching elements. In the case of the motor being locked, the controller controls the On/Off operations of respective switching elements so that a cycle of a state where both of an upper arm-side switching element in a given phase and a lower arm-side switching element in a phase that is different from the aforementioned phase are turned On changes temporally.SELECTED DRAWING: Figure 3

    【課題】モータがロック状態に発生するノイズを抑制できるインバータ制御装置及びインバータ制御方法を提供する。【解決手段】インバータ制御装置であって、直流電源の両端子にそれぞれ電気的に接続され、各相で上アーム及び下アームで構成される複数対のスイッチング素子を有し、直流電源の直流電圧を変換して多相の交流電圧をモータに出力するインバータと、各スイッチング素子のON/OFF動作を制御するコントローラと、を備え、モータがロック状態の際に、所定の相の上アーム側スイッチング素子と、当該所定の相とは異なる相の下アーム側スイッチング素子のいずれもがONする状態の周期が、経時的に変化するように、各スイッチング素子のON/OFF動作を制御する。【選択図】 図3


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    Title :

    INVERTER CONTROL APPARATUS 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 :

    2018-10-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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