发明名称 |
Speed control arrangement for electric motors. |
摘要 |
<p>In a speed control arrangement for an induction motor or an a.c. permanent magnet motor in which any one of a number of power frequencies may be selected for application to the motor, there are provided means to control the rate of change of frequency from one selected power frequency to another to control the acceleration or deceleration of the motor. <IMAGE></p> |
申请公布号 |
EP0595560(A1) |
申请公布日期 |
1994.05.04 |
申请号 |
EP19930308437 |
申请日期 |
1993.10.22 |
申请人 |
PLESSEY SEMICONDUCTORS LIMITED |
发明人 |
GILBERT, DAVID PETER |
分类号 |
H02M7/5387;H02P23/00;H02P27/08;(IPC1-7):H02P7/628 |
主分类号 |
H02M7/5387 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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