仿真结果表明，电机转速比是影响交交变频轧机系统网侧基波功率因数与电流总畸变率的关键原因。
The simulation results show that the speed ratio of the motor mostly affects the total harmonic distortion of the current and the displacement power factor.
由于谐振网络的品质因数比较低，以往常角的基波近似分析法准确性差。
Since the Q of the resonant network in often low, the analysis in the form of fundamental sinusoidal approximation is not accurate enough.
研究了电解铝厂大功率可控整流系统功率因数低下的原因，分析了这种整流机组网侧谐波电流和基波感性电流。
The reason is investigated that the power factor large power controlled rectifier's of the aluminum company is low .
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