To accurately grasp a residual quantity of battery without adding a sensor, etc.SOLUTION: A power source system for vessel 50 includes: an electric motor 41 for rotating a propeller; an invertor 61; a battery B2; and an electronic control unit 55 for controlling the invertor 61. The invertor 61 includes: an invertor circuit 79 for converting DC power supplied from the battery B2 to AC power; a voltage detector 84 for detecting voltage between the battery B2 and the invertor circuit 79; and a microcomputer 86 for communicating with an electronic control unit 55 and controlling the invertor circuit 79 according to a command of the electronic control unit 55. The electronic control unit 55 calculates an estimation SOC expressing an estimation value of charged state of the battery B2 based on a detection value of voltage detected by the voltage detector 84 and acquired from the microcomputer 86.SELECTED DRAWING: Figure 6

    【課題】センサ等を追加することなく、バッテリの残量をより正確に把握する。【解決手段】船舶用電源システム50は、プロペラを回転させる電動モータ41と、インバータ61と、バッテリB2と、インバータ61を制御する電子制御ユニット55とを備える。インバータ61は、バッテリB2から供給された直流電力を交流電力に変換するインバータ回路79と、バッテリB2とインバータ回路79との間で電圧を検出する電圧検出器84と、電子制御ユニット55と通信し、電子制御ユニット55の指令にしたがってインバータ回路79を制御するマイクロコンピュータ86とを含む。電子制御ユニット55は、電圧検出器84によって検出され、マイクロコンピュータ86から取得した電圧の検出値に基づいて、バッテリB2の充電状態の推定値を表す推定SOCを算出する。【選択図】図6


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    Title :

    POWER SOURCE SYSTEM FOR VESSEL AND VESSEL


    Additional title:

    船舶用電源システムおよび船舶


    Contributors:
    MIYAGI YUTA (author)

    Publication date :

    2022-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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