PROBLEM TO BE SOLVED: To provide an inverter controller capable of improving power efficiency while suppressing degradation in habitability due to inverter noise.SOLUTION: An inverter controller 1, used to control switching frequencies of inverters 12, 14 supplying AC drive power to motors 13, 15 installed on a vehicle 10, estimates a sound pressure level in a cabin with an estimation unit 2 on the basis of an operational state of an on-vehicle electrical component, and further controls switching frequencies with a controller 5 on the basis of the sound pressure level.SELECTED DRAWING: Figure 1

    【課題】インバータ制御装置に関し、インバータ騒音による居住性の低下を抑制しつつ、電力効率を向上させる。【解決手段】車両10に搭載されたモータ13,15に交流の駆動電力を供給するインバータ12,14のスイッチング周波数を制御するインバータ制御装置1において、車載電装品の作動状態に基づき、推定部2で車室内の音圧レベルを推定する。また、音圧レベルに基づき、制御部5でスイッチング周波数を制御する。【選択図】図1


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    Title :

    INVERTER CONTROLLER


    Additional title:

    インバータ制御装置


    Contributors:

    Publication date :

    2018-02-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / 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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