A diagnostic device, a power storage device, and a diagnostic method are provided. The diagnostic device (51) diagnoses a damage of a shut-off device (45) that shuts off current of a power storage element (2), wherein damage to the shut-off device is diagnosed on the basis of a short-circuit current Is during an external short circuit. The diagnostic device can perform determination pertaining tosafety such as whether or not the shut-off device is reusable by diagnosing damage due to the external short circuit.

    本发明提供一种诊断装置、蓄电装置及诊断方法。诊断装置(51)对切断蓄电元件(2)的电流的切断装置(45)的损伤进行诊断,基于外部短路时的短路电流Is来诊断所述切断装置的损伤。通过诊断外部短路所引起的损伤,从而诊断装置能够进行切断装置能否再使用等与安全性有关的判断。


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    Title :

    DIAGNOSTIC DEVICE, POWER STORAGE DEVICE, DIAGNOSTIC METHOD


    Additional title:

    诊断装置、蓄电装置及诊断方法


    Contributors:

    Publication date :

    2020-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01G Kondensatoren , CAPACITORS / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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