The present invention provides an insulation resistance measurement system and a method thereof. According to the present invention, the insulation resistance measurement system constantly measures a positive insulation resistance and a negative insulation resistance of a high voltage battery and corrects measurement errors. The insulation resistance measurement system comprises: a first positive module connected to a positive terminal of a high voltage battery and including a first high resistor and a first positive measurement resistor; a second positive module connected to the first positive module, and including a first low resistor, a second positive measurement resistor, and a plurality of positive switches; a first negative module connected to the negative terminal of the high voltage battery and including a second high resistor and a first negative measurement resistor; and a second negative module connected to the first negative module and including a second low resistor, a second negative measurement resistor, and a plurality of negative switches. Accordingly, an insulation resistance can be measured at all times by minimizing influence of a circuit and an error caused by regular measurement can be corrected, thereby providing an effect of distinguishing insulation breakdown and a circuit short due to moisture inflow.

    본 발명은, 고전압 배터리의 포지티브 절연저항 및 네거티브 절연저항을 상시 측정하고 측정오차를 보정하는 절연저항측정 시스템에 있어서, 고전압 배터리의 포지티브 단자와 연결되고, 제1 고저항과 제1 포지티브 측정저항을 구비하는 제1 포지티브 모듈; 제1 포지티브 모듈과 연결되고, 제1 저저항, 제2 포지티브 측정저항 및 복수개의 포지티브 스위치가 구비된 제2 포지티브 모듈; 고전압 배터리의 네거티브 단자와 연결되고, 제2 고저항과 제1 네거티브 측정저항을 구비하는 제1 네거티브 모듈; 및 제1 네거티브 모듈과 연결되고, 제2 저저항, 제2 네거티브 측정저항 및 복수개의 네거티브 스위치가 구비된 제2 네거티브 모듈;을 포함하는 것을 특징으로 하는 절연저항측정 시스템 및 그 방법을 제공한다. 본 발명에 따른 절연저항측정 시스템 및 방법은, 회로의 영향을 최소화하여 절연저항을 상시 측정 가능하고, 상시 측정으로 인한 오차를 보정하여, 절연파괴와 수분유입으로 인한 회로단락을 구별 가능한 효과가 있다.


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    Titel :

    Insulation resistance measuring system and its method


    Weitere Titelangaben:

    절연저항측정 시스템 및 그 방법


    Beteiligte:
    LEE DONG JUN (Autor:in)

    Erscheinungsdatum :

    01.10.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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