To enable a railroad vehicle loaded with a fuel battery to efficiently store hydrogen generated by electrolyzing water to reuse the hydrogen for enabling the fuel battery to generate power.SOLUTION: A system for driving a railroad vehicle, which drives a railroad vehicle using a fuel battery as a power source, is provided with: a high-pressure hydrogen storage device that stores hydrogen filled at high pressure; a fuel battery that generates power using hydrogen as fuel; a water storage device that stores water generated when the fuel battery generates power; an electrolyzing device that electrolyzes water stored in the water storage device, using surplus power; and an auxiliary hydrogen storage device that stores hydrogen generated by electrolyzing water, at pressure lower than pressure for storing hydrogen in the high-pressure hydrogen storage device, where hydrogen stored in the auxiliary hydrogen storage device is reused for the fuel battery to generate power.SELECTED DRAWING: Figure 1

    【課題】本発明の目的は、燃料電池を搭載した鉄道車両において、水の電気分解により生成した水素を効率的に貯蔵し、燃料電池の発電に再利用することである。【解決手段】本発明は、燃料電池を動力源として鉄道車両を駆動する鉄道車両駆動システムであって、高圧で充填された水素を貯蔵する高圧水素貯蔵装置と、水素を燃料として用いて発電を行う燃料電池と、燃料電池が発電の際に生成した水を貯蔵する水貯蔵装置と、水貯蔵装置に貯蔵された水を余剰電力により電気分解する電気分解装置と、水の電気分解により生じた水素を高圧水素貯蔵装置の水素貯蔵圧力よりも低圧で貯蔵する補助水素貯蔵装置とを備え、補助水素貯蔵装置に貯蔵された水素は燃料電池の発電に利用される鉄道車両駆動システムに関する。【選択図】図1


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    Title :

    SYSTEM AND METHOD FOR DRIVING RAILROAD VEHICLE


    Additional title:

    鉄道車両を駆動するシステムおよび方法


    Contributors:

    Publication date :

    2025-03-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS , Elektrolytische oder elektrophoretische Verfahren für die Herstellung von Verbindungen oder von nichtmetallischen Elementen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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