PROBLEM TO BE SOLVED: To provide a power storage device for a railway vehicle which can easily detect ground fault.SOLUTION: A power storage device for a railway vehicle of an embodiment includes: multiple battery modules; a housing; a first connection wire; and a first detection part. The multiple battery modules are electrically connected in a serial manner. The housing houses the multiple battery modules. The first connection wire electrically connects an electric connection part between two battery modules included in the multiple battery modules with the housing. The first detection part is provided in the first connection wire and detects a value regarding a voltage between the electric connection part and the housing.SELECTED DRAWING: Figure 1
【課題】地絡を容易に検出できる鉄道車両用蓄電装置を提供することである。【解決手段】実施形態の鉄道車両用蓄電装置は、複数のバッテリモジュールと、筐体と、第1接続線と、第1検出部とを持つ。前記複数のバッテリモジュールは、電気的に直列に接続されている。前記筐体は、前記複数のバッテリモジュールを収容している。前記第1接続線は、前記複数のバッテリモジュールに含まれる2つのバッテリモジュールの間の電気的接続部と前記筐体とを電気的に接続している。前記第1検出部は、前記第1接続線に設けられ、前記電気的接続部と前記筐体との間の電圧に関する値を検出する。【選択図】図1
POWER STORAGE DEVICE FOR RAILWAY VEHICLE
鉄道車両用蓄電装置
2018-06-21
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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