| 发明名称 |
FREQUENCY CONVERTER, MOTOR, MOTOR DRIVE SYSTEM AND MAINTENANCE METHOD FOR MOTOR DRIVE SYSTEM |
| 摘要 |
A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change unit is provided in the housing, the rise time change unit changes a rise time of a waveform of a voltage output from the inverter unit.
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| 申请公布号 |
US2008061730(A1) |
申请公布日期 |
2008.03.13 |
| 申请号 |
US20070931704 |
申请日期 |
2007.10.31 |
| 申请人 |
SHIMOZONO TADAHIRO;OBATA TAKESHI;SAITO KOICHIRO;MATSUMOTO OSAMU;OBATA KOUJI |
发明人 |
SHIMOZONO TADAHIRO;OBATA TAKESHI;SAITO KOICHIRO;MATSUMOTO OSAMU;OBATA KOUJI |
| 分类号 |
H02K11/00;G05F3/02;H02M7/48;H02P29/02 |
主分类号 |
H02K11/00 |
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