인버터가 개시된다. 본 발명의 일실시예의 인버터는, 인버터의 DC링크 전압의 크기를 조절하는 스케일부, 상기 스케일부의 출력과 인버터 출력전압의 오차를 비례적분(PI) 제어하여 제어신호를 출력하는 PI 제어부, 상기 인버터의 지령주파수와 상기 제어신호를 합산하는 제1연산부, 및 상기 제1연산부의 출력주파수로부터 인버터의 출력전압을 결정하는 전압 결정부를 포함한다.

    The present disclosure relates to an inverter provided in a hoist system, which includes a scale unit configured to control a size of a DC link voltage of the inverter, a proportional-integral (PI) controller configured to perform PI-control on an output of the scale unit and an output voltage of the inverter and outputting a control signal, a first calculating unit configured to sum a command frequency of the inverter and the control signal, and a voltage determining unit configured to determine an output voltage of the inverter from an output frequency of the first calculating unit.


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    Titel :

    INVERTER


    Weitere Titelangaben:

    인버터


    Erscheinungsdatum :

    2019-09-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    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 / B66C Krane , CRANES / 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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