Influence of LCL Output Filter Parameter Changing on D-STATCOM Compensation Characteristics

ZHANG Xingru

doi:10.13890/j.issn.1000-128x.2015.04.010

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Influence of LCL Output Filter Parameter Changing on D-STATCOM Compensation Characteristics

更新时间：2021-12-13

- Influence of LCL Output Filter Parameter Changing on D-STATCOM Compensation Characteristics
- Electric Drive for Locomotives Issue 4, Pages: 38-41(2015)
- 作者机构：
  
  1. 乌鲁木齐铁路局
- 作者简介：
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- DOI：10.13890/j.issn.1000-128x.2015.04.010
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ZHANG Xingru. Influence of LCL Output Filter Parameter Changing on D-STATCOM Compensation Characteristics. [J]. Electric Drive for Locomotives (4):38-41(2015)
DOI：

ZHANG Xingru. Influence of LCL Output Filter Parameter Changing on D-STATCOM Compensation Characteristics. [J]. Electric Drive for Locomotives (4):38-41(2015) DOI： 10.13890/j.issn.1000-128x.2015.04.010.

摘要

针对D-STATCOM 动态补偿装置输出的补偿电流中含有大量的开关纹波等问题，设计LCL 输出滤波器以滤除纹波。重点研究LCL 输出滤波器各元件参数对滤波器特性的影响，综合考虑D-STATCOM 无功补偿容量、补偿电流开关纹波、电网THD、电阻功耗等因素，提出了一种LCL 输出滤波器的综合设计方法，并就LCL 输出滤波器对D-STATCOM 补偿特性的影响进行了仿真研究。结果表明：采用该方法设计的输出滤波器对高频开关纹波有很好的抑制效果，可有效改善D-STATCOM 的补偿性能。

Abstract

Aim at the problem of D-STATCOM output containing plenty of switching ripple, LCL filter was designed. Influence of LCL filter parameters on the compensation characteristic of D-STATCOM was studied. Considering the compensation capacity of the D-STATCOM, the compensation current switch ripple, the grid THD, the resistance loss and the other factors, a method of designing LCL filter was presented, and the compensation characteristic of the D-STATCOM with the LCL filter was researched with simulation. The results proved that the output filter designed in this method had very good inhibitory effect on high-frequency switch ripple, and greatly improved the compensation performance of the D-STATCOM.

关键词

D-STATCOM输出滤波器开关纹波补偿特性滤波器特性元件参数纹波抑制

Keywords

D-STATCOMoutput filterswitching ripplecompensation characteristicfilter characteristicdevice parameterripple suppression

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