发明名称 DRIVE UNIT AND TRANSPORT MACHINE
摘要 A drive unit includes: an inverter; an electric motor that has a first winding connected to an output part of the inverter and a second winding connected to the first winding; a first semiconductor switch that has a first end connected to the first winding and a second end connected to the second winding; a second semiconductor switch that has a first end and a second end connected to the first winding and the first semiconductor switch; and a snubber circuit that is provided between the second end of the first semiconductor switch and the first end of the second semiconductor switch and has a capacitor and a diode.
申请公布号 US2016233811(A1) 申请公布日期 2016.08.11
申请号 US201615014288 申请日期 2016.02.03
申请人 KABUSHIKI KAISHA YASKAWA DENKI 发明人 SANADA Tomohiko;HIGASHIKAWA Koji;ISOBE Tasuku;HIGUCHI Aiko;IKEDA Fumiaki;YAMADA Kenji
分类号 H02P25/18;H02P29/032;H02P6/14 主分类号 H02P25/18
代理机构 代理人
主权项 1. A drive unit comprising: an inverter; an electric motor that has a first winding connected to an output part of the inverter and a second winding connected to the first winding; a first semiconductor switch that has a first end connected to the first winding and a second end connected to the second winding; a second semiconductor switch that has a first end and a second end connected to the first winding and the first semiconductor switch; and a snubber circuit that is provided between the second end of the first semiconductor switch and the first end of the second semiconductor switch and has a capacitor and a diode.
地址 Kitakyushu-shi JP