... 频率多边形 frequency polygon; 频率发生转子 frequency-generating rotor; 频率法 frequency method; ...
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The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
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