To improve the estimation accuracy of connector voltage applied to a connector.SOLUTION: A power conversion system 100 includes a power converter 1. The power converter 1 is provided between a storage battery 31 of a moving body 3 and an electric power system 4 and is capable of adjusting a DC power for charging a storage battery 31 via a connector CN1. The power converter 1 has a voltage measurement unit 124 and a current measurement unit 125. The voltage measurement unit 124 measures a voltage applied to a cable C1. The current measurement unit 125 measures a current flowing on the cable C1. The power conversion system 100 further includes a voltage estimation unit 126 and a notification unit 127. The voltage estimation unit 126 estimates a connector voltage applied to the connector CN1. The notification unit 127 notifies the estimated connector voltage to the moving body 3.SELECTED DRAWING: Figure 1

    【課題】コネクタに印加されるコネクタ電圧の推定精度を向上すること。【解決手段】電力変換システム100は、電力変換器1を備える。電力変換器1は、移動体3の蓄電池31と電力系統4との間に設けられて、コネクタCN1を介して蓄電池31に充電される直流電力を調整可能である。電力変換器1は、電圧計測部124と、電流計測部125と、を有する。電圧計測部124は、ケーブルC1に印加される電圧を計測する。電流計測部125は、ケーブルC1を流れる電流を計測する。電力変換システム100は、電圧推定部126と、通知部127と、を更に備える。電圧推定部126は、コネクタCN1に印加されるコネクタ電圧を推定する。通知部127は、推定されたコネクタ電圧を移動体3に通知する。【選択図】図1


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    Title :

    POWER CONVERSION SYSTEM, POWER CONVERTER, CABLE SUPPORT DEVICE, ESTIMATION METHOD, AND PROGRAM


    Additional title:

    電力変換システム、電力変換器、ケーブル支持器、推定方法、及びプログラム


    Contributors:

    Publication date :

    2021-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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




    POWER CONVERSION SYSTEM, CABLE SUPPORT DEVICE, AND POWER CONVERTER

    FUJII HIROYUKI / HANAMURA KENJI | European Patent Office | 2021

    Free access

    POWER CONVERSION SYSTEM, CABLE SUPPORT DEVICE, AND POWER CONVERTER

    FUJII HIROYUKI / HANAMURA KENJI | European Patent Office | 2021

    Free access

    POWER CONVERSION SYSTEM, AND CABLE SUPPORT DEVICE

    FUJII HIROYUKI | European Patent Office | 2021

    Free access

    POWER CONVERSION SYSTEM AND CABLE SUPPORT

    FUJII HIROYUKI | European Patent Office | 2021

    Free access