配电网STATCOM输出LCL滤波器特性分析及参数设计

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Abstract The parameters of output filter in distribution network STATCOM (D-STATCOM) greatly affect the attenuation of switching harmonics and the performance of the system. This paper analyses the characteristics of LCL filter from the aspects of the fundamental inductor voltage drop, the reactive power compensation ability of STATCOM, the attenuation of switching harmonics, and filter resonant frequency. Then a parameter design method of LCL filter is proposed based on these constraints. In addition, the power loss of the filter is greatly reduced by connecting a small inductor in parallel with the damping resistor in this paper. The simulation results show that the designed LCL filter parameters have good filtering effects, and the filter has larger pass-band width, making D-STATCOM to have the function to compensate some harmonics.

Key words： D-STATCOM LCL filter switching harmonics fundamental inductor voltage drop reactive power compensation ability

Received: 02 November 2010 Published: 10 March 2014

PACS:

TM464

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	Articles by authors
	Wang Cunping
	Yin Xianggen
	Zhang Zhe
	Wen Minghao

Cite this article:

Wang Cunping,Yin Xianggen,Zhang Zhe等. Characteristic Analysis and Parameter Design of Output LCL Filter in D-STATCOM[J]. Transactions of China Electrotechnical Society, 2011, 26(12): 99-105.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I12/99

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