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 |
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代理人 |
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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 |