Especially, the sub-harmonic oscillation of the low frequency inductor current is analyzed and the method to solve this problem is proposed.

分析了变换器低频电感电流的次谐波振荡问题，并提出了抑制措施，实验验证了理论分析的正确性。

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This paper describes the mechanism of power system low frequency oscillation production, and discusses the current common analysis methods. Through comparative ana…

由于低频振荡频率较低、周期较长、波及面较广，给电力系统带来的危害也较大。

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