Position sensorless open loop control for motor drives with output filter and transformer

作者: Semyon Royak , Thomas Nondahl , Peter Schmidt , Jingbo Liu

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摘要: A power converter, control apparatus and methods are presented for driving a permanent magnet motor or other load through sine wave filter transformer, in which inverter output current is controlled using current-frequency relationship to convert desired frequency speed value setpoint, the regulated setpoint algorithm with bandwidth below resonant of filter.

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