PROBLEM TO BE SOLVED: To provide an inverter control device performing inverter control having high reliability at low costs, and further to provide a power conversion device and a vehicle.SOLUTION: An inverter control device comprises: a current control section 10 operating and outputting PWM modulation rate commands of a plurality of phases including a first phase and a second phase such that an inverter outputs a predetermined current; a switching timing operation section 221 operating timing when a switch of each phase opens and closes on the basis of the PWM modulation rate commands of the plurality of phases; a simultaneous switching avoidance section 220 determining whether or not first switching timing for switching a switch of the first phase is simultaneous with second switching timing for switching a switch of the second phase and generating waveforms of triangular wave carriers of the first phase and the second phase such that the waveforms thereof are different from each other when the first switching timing is determined to be simultaneous therewith; and a switch open/close timing generation section 224 operating the timing for opening and closing the switch of each phase from the triangular wave carriers and the PWM modulation rate commands.

    【課題】低コストで信頼性の高いインバータ制御を行うインバータ制御装置、電力変換装置、および、車両を提供する。【解決手段】インバータ制御装置は、インバータが所定の電流を出力するように、第1相および第2相を含む複数相のPWM変調率指令を演算して出力する電流制御部10と、複数相のPWM変調率指令に基づいて、各相のスイッチが開閉するタイミングを演算するスイッチングタイミング演算部221と、第1相のスイッチを切り替える第1スイッチングタイミングと、第2相のスイッチを切り替える第2スイッチングタイミングとが同時であるか判定し、同時であると判定したときに第1相と第2相との三角波キャリアの波形を異ならせて生成する同時スイッチング回避部220と、三角波キャリアと、PWM変調率指令とから、各相の前記スイッチを開閉するタイミングを演算するスイッチ開閉タイミング生成部224と、を備える。【選択図】図1


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    Title :

    INVERTER CONTROL DEVICE, POWER CONVERSION DEVICE AND VEHICLE


    Additional title:

    インバータ制御装置、電力変換装置、および、車両


    Contributors:

    Publication date :

    2015-10-15


    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



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