A detail analysis of producing harmonics of electronic ballast is provided. The method to reduce the harmonics distortion and improve the power factor is derived.
分析了电子镇流器产生谐波电流的原因，并以一种新型电子镇流器为例，指出了降低谐波含量、提高功率因数的方法及其实际意义。
Through the parameters optimization, the power factor (PF) can be increased to95%and Total Harmonics Distortion (THD) can be decreased to below30%.
通过优化参数设置，可以使弧焊逆变电源的功率因数提高到95%，电流谐波畸变率低到30%。
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