PROBLEM TO BE SOLVED: To prevent overcharge of a power storage device and breakage of equipment by inhibiting occurrence of excessive regeneration itself and reserve a possibility of continuing work by maintaining a regeneration brake.SOLUTION: In a hybrid construction machine, a power storage device 14 is charged under power generation operation of a generator motor 12 that is driven by an engine 11, the generator motor 12 is made to perform motor operation by stored power of the power storage device 14 to assist the engine 11, and a slewing motor 17 is driven by electric power of at least one of the power storage device 14 and the generator motor 12 to generate regenerative electric power. By a controller 15, the regenerative electric power is limited such that regenerative electric power generated in the slewing motor 17 is equal to or less than the sum of electric power that can be absorbed by the generator motor 12 and the power storage device 14.SELECTED DRAWING: Figure 1

    【課題】過回生状態の発生そのものを抑えて蓄電装置の過充電及び機器の破損を防止できるとともに、回生ブレーキを維持して作業継続の可能性を残す。【解決手段】エンジン11によって駆動される発電電動機12の発電機作用によって蓄電装置14に充電する一方、この蓄電装置14の蓄電力により発電電動機12に電動機作用を行わせて11エンジンをアシストし、かつ、蓄電装置14及び発電電動機12の少なくとも一方の電力により旋回電動機17を駆動して回生電力を発生させるハイブリッド建設機械において、コントローラ15により、旋回電動機17に発生する回生電力が発電電動機及12及び蓄電装置14の吸収可能電力の和以下となるように回生電力を制限するようにした。【選択図】図1


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    Titel :

    HYBRID CONSTRUCTION MACHINE


    Weitere Titelangaben:

    ハイブリッド建設機械


    Beteiligte:
    DOI TAKAYUKI (Autor:in) / YOSHIHARA HIDEKI (Autor:in)

    Erscheinungsdatum :

    2016-09-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / E02F Baggern , DREDGING / 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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