微电网并网系统中谐波传播抑制策略

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Abstract For the harmonic voltage sources on the point of common coupling(PCC)of a grid-connected microgrid,the series and parallel resonances between line inductance and capacitance may cause the serious harmonic propagation amplification.In order to damp out harmonic propagation amplification in the system,this paper proposes a novel site selection strategy of discrete frequency tuning resistive active power filter(RAPF)according to the harmonic propagation law.On the basis of the site selection strategy,the conductance gain of the discrete frequency tuning RAPF is limited with the variation of transmission line length due to its influence on the harmonic suppression performance.However long the transmission line is,the proposed site selection strategy could suppress the harmonic propagation amplification effectively by choosing the conductance gain reasonably.Simulation and experimental results validate the effectiveness of the proposed strategy.

Key words： Grid-connected microgrid transmission line harmonic propagation amplification discrete frequency tuning resistive active power filter site selection strategy

Received: 22 May 2016 Published: 20 June 2017

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TM72

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	Articles by authors
	Sun Xiaofeng
	Cai Yao
	Zhang Jinsong
	Shen Hong
	Wang Baocheng

Cite this article:

Sun Xiaofeng,Cai Yao,Zhang Jinsong等. Harmonic Propagation Suppression Strategy in Grid-Connected Microgrids[J]. Transactions of China Electrotechnical Society, 2017, 32(11): 1-7.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I11/1

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