发明名称 HYBRID TYPE WORKING MACHINE
摘要 <P>PROBLEM TO BE SOLVED: To provide a hybrid type working machine which suppresses dispersion in controllability of a load, damage to a driver of the load by an overcurrent, and the like by stabilizing a DC bus voltage value. <P>SOLUTION: The hybrid type working machine includes: a plurality of inverters for driving a plurality of motor-driven working elements; a capacitor which transfers electric power between a plurality of the inverters; a DC bus connected to a plurality of the inverters; and a step-up/step-down converter arranged between the DC bus and the accumulator. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010011602(A) 申请公布日期 2010.01.14
申请号 JP20080166448 申请日期 2008.06.25
申请人 SUMITOMO HEAVY IND LTD;SUMITOMO (SHI) CONSTRUCTION MACHINERY CO LTD 发明人 KANBAYASHI HIDEAKI;SHONO HIROZO
分类号 H02M7/48;H02M3/155 主分类号 H02M7/48
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