PROBLEM TO BE SOLVED: To provide a ship propulsion system equipped with an exhaust heat recovery system, which can effectively make use of assist operation using a shaft generator used also as a motor and yet suppress frequency variation in an electric network in a ship.SOLUTION: A ship propulsion assist system 3 comprises: a target load determining portion 35 that determines a target load of a shaft generator used also as a motor on the basis of surplus power; and a target load limiting portion 39 that limits the target load so that a frequency variation range in an electric network 9 which is increased by the target load does not exceed a second value smaller than a first value. The system inhibits the frequency variation range in the electric network 9 which is increased by the target load from exceeding the second value which is set by the target load limiting portion 39.SELECTED DRAWING: Figure 1

    【課題】軸発電機兼モータを用いたアシスト動作を有効に利用して、しかも船内の電気ネットワークの周波数の変動を抑制することができる排熱回収システムを備えた船舶推進システムを提供する。【解決手段】船舶推進アシストシステム3が、余剰電力に基づいて軸発電機兼モータの目標負荷を決定する目標負荷決定部35と、目標負荷により増加する電気ネットワーク9における周波数変動幅が第1の値よりも小さい第2の値より大きくならないように目標負荷を制限する目標負荷リミット部39を有する。目標負荷リミット部39で設定する第2の値よりも目標負荷により増加する電気ネットワーク9における周波数変動幅が大きくなることを阻止する。【選択図】 図1


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    Titel :

    SHIP PROPULSION SYSTEM EQUIPPED WITH EXHAUST HEAT RECOVERY SYSTEM


    Weitere Titelangaben:

    排熱回収システムを備えた船舶推進システム


    Beteiligte:

    Erscheinungsdatum :

    2017-02-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F01K STEAM ENGINE PLANTS , Dampfkraftanlagen / F02G HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS , mit Heißgas oder Verbrennungsgasen betriebene Kraftmaschinenanlagen, wobei die Kraftmaschinen mit Verdrängerwirkung arbeiten / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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