The present disclosure relates to techniques for diagnosing a relay in a vehicle on-board charger (OBC), and an apparatus for diagnosing a relay in a vehicle OBC according to an exemplary embodiment may include first to third voltage sensors configured to measure phase-specific voltages for AC inputs to the relay circuit unit, fourth and fifth voltage sensors configured to measure line voltages for AC outputs from the relay circuit unit, and a diagnosis module configured to diagnose the relay circuit unit, based on the phase-specific voltages measured by the first to third voltage sensors and based on the line voltages measured by the fourth and fifth voltage sensors.


    Access

    Download


    Export, share and cite



    Title :

    APPARATUS FOR DIAGNOSING RELAY IN VEHICLE OBC, METHOD THEREFOR, AND BATTERY CHARGING APPARATUS INCLUDING SAME


    Contributors:

    Publication date :

    2025-01-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    OBC APPARATUS FOR DIAGNOSING RELAY IN OBC OF VEHICEL METHOD THEREOF BATTERY CHARGING APPARATUS COMPRISING THE SAME

    JANG YOUNG JIN / KIM SUNG HWAN / SUNG WON YONG et al. | European Patent Office | 2025

    Free access

    BATTERY SYSTEM CAPABLE OF DIAGNOSING PACK RELAY AND VEHICLE INCLUDING SAME

    RYU JESUNG | European Patent Office | 2025

    Free access


    APPARATUS FOR DIAGNOSING BATTERY FOR VEHICLE AND METHOD FOR DIAGNOSING BATTERY THEREOF AND VEHICLE INCLUDING THE SAME

    PARK MAN JAE / LEE JOONG WOO / BAE JIN GEUN et al. | European Patent Office | 2020

    Free access

    RELAY DEVICE AND BATTERY CHARGING APPARATUS COMPRISING SAME

    LEE DONGCHEOL / LIM SUNKYOUNG / LEE JUNGGI et al. | European Patent Office | 2024

    Free access