| 发明名称 |
Speed control |
| 摘要 |
A motor speed control for controlling the speed of an electric induction motor by modulating the amplitude and frequency of the driving voltage. When the load increases the speed control controls the speed so as to be relatively constant with respect to the frequency of the driving voltage. Preferably, the speed control controls the amplitude of the driving voltage in proportion to the square of the frequency.
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| 申请公布号 |
US2001022507(A1) |
申请公布日期 |
2001.09.20 |
| 申请号 |
US20010759040 |
申请日期 |
2001.01.11 |
| 申请人 |
MARINUS HARRY;ETTES WILHELMUS GERARDUS MARIA;BOSMA GAATZE BARELD;DIJKSTRA JACOB |
发明人 |
MARINUS HARRY;ETTES WILHELMUS GERARDUS MARIA;BOSMA GAATZE BARELD;DIJKSTRA JACOB |
| 分类号 |
H02P23/03;H02P25/04;H02P27/06;H02P27/08;(IPC1-7):H02P1/24;H02P1/42;H02P3/18;H02P5/28;H02P7/36 |
主分类号 |
H02P23/03 |
| 代理机构 |
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