To continue operation of an elevator even when a part of inverters which are connected in parallel fails.SOLUTION: An inverter control system, which supplies a power source to a motor for driving an elevator by N pieces (N is integer of 2 or greater) of inverters which are connected in parallel and controls each of the inverters which are connected in parallel, includes a trouble signal reception part 192 for receiving an abnormal signal of the inverters in a group unit in which N pieces of the inverters that are connected in parallel are divided into a plurality of groups, and a gate command part 191 for operating the inverter of the group other than the group in which the trouble signal reception part receives the abnormal signal.SELECTED DRAWING: Figure 4

    【課題】並列接続されたインバータの一部が故障した場合でも、昇降機の運転が継続できるようにする。【解決手段】N個(Nは2以上の整数)に並列接続されたインバータにより、昇降機を駆動するモータに電源を供給し、並列接続されたそれぞれのインバータを制御するインバータ制御システムにおいて、並列接続されたN個のインバータを複数群に分けた群単位で、インバータの異常信号を受信するトラブル信号受信部192と、トラブル信号受信部が異常信号を受信した群以外の群のインバータを作動させるゲート指令部191とを備える。【選択図】図4


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    Title :

    INVERTER CONTROL SYSTEM AND INVERTER CONTROL METHOD


    Additional title:

    インバータ制御システム及びインバータ制御方法


    Contributors:
    SEKI MAKI (author) / TAKAYAMA NAOKI (author) / SAKOTA TOMOJI (author)

    Publication date :

    2023-06-22


    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 / 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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