Disclosed is a power converting system of an electric car. The power converting system of the electric car comprises: an inverter which includes a pair of switching elements, and converts DC voltage to AC voltage by switching the switching elements; a motor which includes a plurality of stator windings and a rotator, and rotates the rotator by using the AC voltage outputted to the stator windings from the inverter; an output capacitor which is electrically connected to an electric field load and is connected to one among the stator windings in series; and a controlling unit which converts DC power to AC power of a voltage level which is lower than voltage of DC power by using the stator windings of the motor in the case of stopping the motor, the switching elements of the inverter, and the output capacitor, and offers the same to the electric field load.

    전기자동차의 전력변환시스템이 개시된다. 본 발명의 일실시예에 따른 전기자동차의 전력변환시스템은 한 쌍을 이루는 복수의 스위칭소자를 가지고, 각 쌍의 스위칭소자를 스위칭하는 것에 의해 직류전압을 교류전압으로 변환하는 인버터와, 복수의 고정자권선과 회전자를 포함하고 인버터로부터 상기 복수의 고정자권선에 출력된 교류전압에 의해 상기 회전자가 회전하는 전동기와, 전장부하와 전기적으로 연결되고 복수의 고정자권선 중 어느 하나와 직렬 연결된 출력 커패시터 및 전동기가 정지상태일 때 전동기의 고정자권선, 인버터의 스위칭소자 및 출력 커패시터를 이용하여 직류전원을 직류전원의 전압보다 낮은 전압레벨의 직류전압으로 변환하여 전장부하에 제공하는 제어부를 포함한다.


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    Titel :

    POWER CONVERSION SYSTEM FOR ELECTRIC VEHICLES


    Weitere Titelangaben:

    전기자동차의 전력변환시스템


    Beteiligte:
    KIM JAE GOO (Autor:in)

    Erscheinungsdatum :

    07.12.2016


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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