发明名称 |
SYNCHRONOUS ELECTRIC MOTOR CONTROL ARRANGEMENTS |
摘要 |
<p>PURPOSE:To decrease a loss at a lower speed zone and to improve characteristics by controlling an putput voltage of a variable frequency AC power source driving a synchronous motor based upon high or low of a frequency relating to a driving speed of motor.</p> |
申请公布号 |
GB1573518(A) |
申请公布日期 |
1980.08.28 |
申请号 |
GB19770021469 |
申请日期 |
1977.05.20 |
申请人 |
DAINI SEIKOSHA KK |
发明人 |
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分类号 |
H02P27/06;H02P25/02;(IPC1-7):02P7/52 |
主分类号 |
H02P27/06 |
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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