To provide a power conversion device capable of reducing thermal stress in a semiconductor device constituting a main circuit, a control method for the power conversion device, and an elevator driven by the power conversion device.SOLUTION: A power conversion device (10, 11) includes a power conversion circuit (12) that includes a semiconductor device and supplies power to a load, and further includes a cooling device (50) that cools the semiconductor device, and a control device (9) that controls the power conversion circuit and the cooling device, and the control device operates the cooling device when operating the load or equipment driven by the load, and the control device reduces cooling by the cooling device before starting a transition from operation to stop of the load or the equipment.SELECTED DRAWING: Figure 1

    【課題】主回路を構成する半導体装置における熱応力を緩和できる電力変換装置、電力変換装置の制御方法、並びに電力変換装置によって駆動されるエレベータを提供する。【解決手段】電力変換装置(10,11)は、半導体装置を含み、負荷に電力を供給する電力変換回路(12)を備えるものであって、半導体装置を冷却する冷却装置(50)と、電力変換回路および冷却装置を制御する制御装置(9)と、を備え、制御装置は、負荷もしくは負荷によって駆動される機器を運転する時、冷却装置を動作させ、制御装置は、負荷もしくは機器の運転から停止への遷移を開始する以前に、冷却装置による冷却を弱める。【選択図】図1


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    Title :

    POWER CONVERSION DEVICE, CONTROL METHOD FOR POWER CONVERSION DEVICE, AND ELEVATOR


    Additional title:

    電力変換装置、電力変換装置の制御方法、並びにエレベータ


    Contributors:

    Publication date :

    2024-08-22


    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 / B66B Aufzüge , ELEVATORS



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