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   CHARACTERISTICS OF HALF-WAVE RECTIFIED BRUSHLESS SYNCHRONOUS MOTOR WITH PERMANENT MAGNETS   [View] 
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 Author(s)   Jun Oyama; Tsuyoshi Higuchi; Takashi Abe; Eiji Yamada 
 Abstract   The principle of a new type brushless synchronous motor is described and confirmation of the theory is demonstrated experimentally. In the rotor field winding the emf is induced by the mmf which rotates at synchronous speed and pulsates at bias frequency. The field excitation is produced by both the field current obtained by rectifying the emf with a diode inserted into the field winding and the permanent magnets installed in the rotor slots. This motor has not only simple and robust brushless structure but also high efficiency and power factor, and is anticipated for a new ac-servo drive motor. 
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Filename:Unnamed file
Filesize:512.8 KB
 Type   Members Only 
 Date   Last modified 2021-02-16 by System