Harmonic Suppression and Reactive Power Compensation Method at Metal Smelting Factory

DAI Shaojun; LI Jianhui; LIU Jianben; LI Ni; SHI Ying; TAN Wenming

doi:10.14044/j.1674-1757.pcrpc.2020.05.003

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Harmonic Suppression and Reactive Power Compensation Method at Metal Smelting Factory

更新时间：2024-09-14

- Harmonic Suppression and Reactive Power Compensation Method at Metal Smelting Factory
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 5, Pages: 12-16(2020)
- 作者机构：
  
  1. 中国电力科学研究院有限公司武汉分院电网环境保护国家重点实验室
  2. 国网湖北省电力有限公司武汉供电公司
  3. 3. 广东天枢新能源科技有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.05.003
  CLC： TF06;TM714.3
- Published：2020，
- 稿件说明：
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[1]代少君,李建会,刘健犇,李妮,石莹,谭文明.金属冶炼厂谐波抑制与无功补偿方法[J].电力电容器与无功补偿,2020,41(05):12-16+22.

DAI SHAOJUN, LI JIANHUI, LIU JIANBEN, et al. Harmonic Suppression and Reactive Power Compensation Method at Metal Smelting Factory. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 12-16.
[1]代少君,李建会,刘健犇,李妮,石莹,谭文明.金属冶炼厂谐波抑制与无功补偿方法[J].电力电容器与无功补偿,2020,41(05):12-16+22. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.003.

DAI SHAOJUN, LI JIANHUI, LIU JIANBEN, et al. Harmonic Suppression and Reactive Power Compensation Method at Metal Smelting Factory. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 12-16. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.003.

摘要

针对当前金属冶炼厂的中频冶炼炉严重的谐波污染问题

通过实测获得金属冶炼厂的谐波负荷特性

进而提出"低压侧设置自动投切单调谐无源滤波器+高压侧串滤波电感"的综合治理方案

在低压侧自动投切的单调谐无源滤波器只设置1条支路。该综合治理方案已在某35 kV金属冶炼厂获得实际工程应用。结果表明

该方案谐波抑制效果良好

电网电压谐波完全满足GB/T 14549—1993《电能质量公用电网谐波》要求

电流谐波大幅减少。单条支路完全能够满足中频炉动态无功补偿的需求。

Abstract

In view of serious harmonic pollution issue of intermediate frequency smelting furnace at present metal smelting factory

the harmonic load characteristic of metal smelting factory is obtained by the actual measurement

and acomprehensive treatment plan of single tuned passive filter at low voltage side and series filter inductance at high voltage side is proposed further.Only one branch is set in the auto-switching single tuned passive filter at low voltage side.This comprehensive treatment plan has been applied at one 35 kV metal smelting factory.It is shown by the result that the harmonic suppression result of the plan is very good and the network voltage harmonics fully complies with requirement of GB/T 14549—1993 Power quality—Harmonics in public supply network

the harmonic current also has been reduced significantly.And the single branch can meet the requirement of dynamic reactive power compensation of intermediate frequency furnace.

关键词

中频炉谐波抑制无源电力滤波器无功功率补偿

Keywords

intermediate frequency furnaceharmonic suppressionpassive power filterreactive power compensation

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