非线性负荷接入高压-超高压系统评估方法对比

doi:10.11930/j.issn.1004-9649.202010121

中国电力 ›› 2021, Vol. 54 ›› Issue (12): 54-62.DOI: 10.11930/j.issn.1004-9649.202010121

• 国家“十三五”智能电网重大专项专栏：（九）柔性交流输配电技术 • 上一篇下一篇

非线性负荷接入高压-超高压系统评估方法对比

于希娟¹, 李洪涛¹, 马喜欢², 陶顺², 马宁², 宋晓庆², 徐永海²

1. 国网北京市电力公司电力科学研究院, 北京 100075;
2. 华北电力大学电气与电子工程学院, 北京 102206

收稿日期:2020-10-29 修回日期:2021-09-08 出版日期:2021-12-05 发布日期:2021-12-16
作者简介:于希娟(1976-),女,硕士,高级工程师,从事电网电能质量研究,E-mail:yuxijuanmail@sohu.com;马喜欢(1996-),男,通信作者,硕士研究生,从事电能质量研究,E-mail:mxh1521996@163.com;陶顺(1972-),女,副教授,从事智能配电网与电能质量研究,E-mail:tao_shun@sina.com;徐永海(1966-),男,教授,博士生导师,从事新能源电力系统分析、电能质量分析与控制、电力电子变压器等研究,E-mail:yonghaixu@263.net
基金资助:
国家自然科学基金面上项目(风电系统时变间谐波的解析建模与并网交互影响及危险区域研究, 51777066)；国网北京市电力公司科技项目（52022319004L）。

Comparison of Assessment Methods for the Connection of Nonlinear Loads to HV-EHV Power Systems

YU Xijuan¹, LI Hongtao¹, MA Xihuan², TAO Shun², MA Ning², SONG Xiaoqing², XU Yonghai²

1. State Grid Beijing Electric Power Research Institute, Beijing 100075, China;
2. School of Electrical and Electronic Engineering, North China Electrical Power University, Beijing 102206, China

Received:2020-10-29 Revised:2021-09-08 Online:2021-12-05 Published:2021-12-16
Supported by:
This work is supported by National Natural Science Foundation of China (Analytical Modeling and Grid-Connection Interaction of Time-varying Harmonics In Wind Power Systems and Study of Hazard Zones, No.51777066) and Science & Technology Project of State Grid Beijing Electric Power Company (No.52022319004L).

摘要/Abstract

摘要： 随着电力系统“双高化”的发展，非线性负荷或设备的容量越来越大，它们接入高压-超高压系统的需求越来越高。非线性负荷接入电网会向电网中注入谐波电流，造成电压波形畸变。为了评估非线性负荷的接入是否会对系统造成不可接受的电压谐波失真，国际电工委员会（IEC）制定的 IEC/TR 61000-3-6: 2008技术性文件和英国2020年颁布的G5/5工程导则给出了相应的评估方法。介绍了2个标准中非线性负荷接入高压-超高压系统的评估方法并进行对比分析，为电能质量谐波国标修订提供不同的视角和思考。

关键词: 非线性负荷, 高压-超高压系统, 波形畸变, IEC, G5/5, 接入评估

Abstract: With the "double-high" development of power systems, the capacity of nonlinear loads or equipment is becoming increasingly larger, and the demand for their connection to the HV-EHV power systems is getting increasingly higher. However, the connection of the nonlinear loads will inject harmonic currents into the power systems, causing voltage waveform distortion. In order to assess whether the connection of nonlinear loads to power systems will cause unacceptable harmonic voltage distortion, the IEC/TR 61000-3-6: 2008 technical standard and the UK G5/5 Engineering Guidelines in 2020 have provided corresponding assessment methods. This paper firstly introduces the assessment methods for the connection of nonlinear loads to HV-EHV power systems provided in these two standards, and then makes a comparative analysis, which can provide a different vision and idea for the revision of the national standards on harmonics.

Key words: non-linear load, HV-EHV power system, waveform distortion, IEC, G5/5, access evaluation

于希娟, 李洪涛, 马喜欢, 陶顺, 马宁, 宋晓庆, 徐永海. 非线性负荷接入高压-超高压系统评估方法对比[J]. 中国电力, 2021, 54(12): 54-62.

YU Xijuan, LI Hongtao, MA Xihuan, TAO Shun, MA Ning, SONG Xiaoqing, XU Yonghai. Comparison of Assessment Methods for the Connection of Nonlinear Loads to HV-EHV Power Systems[J]. Electric Power, 2021, 54(12): 54-62.

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非线性负荷接入高压-超高压系统评估方法对比

Comparison of Assessment Methods for the Connection of Nonlinear Loads to HV-EHV Power Systems

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非线性负荷接入高压-超高压系统评估方法对比

Comparison of Assessment Methods for the Connection of Nonlinear Loads to HV-EHV Power Systems

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