To provide a regenerative brake system which can improve operation continuity while preventing increase in size of a device, and an electrically-driven work vehicle with use of the same.SOLUTION: An electric power regeneration device 21, which converts electric power of a main engine direct current line 16 to which an engine generator 12 is connected via a rectification circuit 14 and supplies electric power to an accessory direct current line 34 to which an accessory generator 31 is connected via a rectification circuit 32, is configured from plural power conversion modules 221 to 22N to which input parts 221a to 22Na are connected in series. The engine generator 12 and a power consumption device 15 are controlled so that a voltage inputted to the electric power regeneration device 21 does not exceed a voltage upper limit value Vm. When stopping a part of the plural power conversion modules 221 to 22N, short-circuiting is performed between a positive terminal (+) and a negative terminal (-) of the input part of the power conversion module to be stopped by a bypass device, and the voltage upper limit value Vm is reduced.SELECTED DRAWING: Figure 2

    【課題】装置の大型化を防止しつつ運転の継続性を向上することができる回生制動システム、及び、それを用いた電気駆動作業車両を提供すること。【解決手段】主機発電機12が整流回路14を介して接続される主機直流ライン16の電力を変換して補機発電機31が整流回路32を介して接続される補機直流ライン34に給電する電力回生装置21を、入力部221a〜22Naが直列接続された複数の電力変換モジュール221〜22Nで構成する。電力回生装置21に入力される電圧が電圧上限値Vmを超えないように主機発電機12及び電力消費装置15を制御し、複数の電力変換モジュール221〜22Nの一部を停止させる場合に、停止させる電力変換モジュールの入力部の正極端子(+)と負極端子(−)の間をバイパス装置によって短絡するとともに、電圧上限値Vmを低減する。【選択図】 図2


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    Title :

    REGENERATIVE BRAKE SYSTEM AND ELECTRICALLY-DRIVEN WORK VEHICLE WITH USE THEREOF


    Additional title:

    回生制動システム、及び、それを用いた電気駆動作業車両


    Contributors:

    Publication date :

    2020-06-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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