发明授权
- 专利标题： Sensorless lost/found rotor detection for permanent magnet motors
- 专利标题（中）： 永磁电机无传感器丢失/发现转子检测
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申请号： US13871603申请日： 2013-04-26
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公开(公告)号： US08638054B2公开(公告)日： 2014-01-28
- 发明人: Michael I. Henderson , Joseph G. Marcinkiewicz , John Stephen Thorn
- 申请人： Emerson Electric Co.
- 申请人地址： US MO St. Louis
- 专利权人： Emerson Electric Co.
- 当前专利权人： Emerson Electric Co.
- 当前专利权人地址： US MO St. Louis
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 主分类号： H02H7/08
- IPC分类号： H02H7/08 ; H02P6/14
摘要：
Various methods of detecting a found rotor, a lost rotor, a locked rotor and a caught rotor after a power disruption using flux estimates are disclosed. Also disclosed are permanent magnet motor controllers and assemblies suitable for performing one or more of these methods.
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