Invention Grant
- Patent Title: Sensorless lost/found rotor detection for permanent magnet motors
- Patent Title (中): 永磁电机无传感器丢失/发现转子检测
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Application No.: US13871603Application Date: 2013-04-26
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Publication No.: US08638054B2Publication Date: 2014-01-28
- Inventor: Michael I. Henderson , Joseph G. Marcinkiewicz , John Stephen Thorn
- Applicant: Emerson Electric Co.
- Applicant Address: US MO St. Louis
- Assignee: Emerson Electric Co.
- Current Assignee: Emerson Electric Co.
- Current Assignee Address: US MO St. Louis
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: H02H7/08
- IPC: H02H7/08 ; H02P6/14
Abstract:
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.
Public/Granted literature
- US20130234639A1 SENSORLESS LOST/FOUND ROTOR DETECTION FOR PERMANENT MAGNET MOTORS Public/Granted day:2013-09-12
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