电网三相不平衡的度量与治理综述
作者:
中图分类号:

TM715

基金项目:

国家自然科学基金资助项目(51607083)


Review of the measurement and control of three-phase unbalance
Author:
Fund Project:

Major project of natural science research in Jiangsu Province (Grant No. 17KJA470003); Optimized operation and coordinated control of AC/DC hybrid microgrid based on power PET.

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    摘要:

    近年来,电网中的各类电能质量问题愈加受到重视,对于三相不平衡问题,国内外学者做了大量研究工作,需要系统地分析和整理。三相不平衡由电网中的负序和零序分量引起,国际电工委员会(IEC)提出以负序和正序分量之比值来度量不平衡。由于序分量获取困难,工程中常以量测电压、电流有效值来度量三相不平衡,这类方法形式不统一,且与序分量度量形式不对应,统一的不平衡度量方法亟待构建。三相不平衡主要通过电容型补偿、电力电子变流器型补偿和换相补偿治理。电容型补偿可以实现连续调节但是无法降低线损;换相只能离散投切,无法连续调节。未来应当结合换相与附加补偿手段来治理三相不平衡,获得更好的补偿效果。

    Abstract:

    The negative sequence and the zero sequence component cause three-phase unbalance. IEC proposes to measure the imbalance with the ratio between negative sequence and positive sequence component, ignoring the zero sequence component. Because of the difficulty in obtaining the sequence component, the RMS value of the measured voltage and current is often measured in the project. In contrast, such metrics exist in many forms and do not correspond to the order component metrics. It is urgent to construct a unified unbalance measurement method to considering the zero sequence and the non-correspondence between the quantity measurement and the sequence component. Three-phase unbalance control mainly relies on capacitive compensation, power electronic converter type compensation and commutation. Among them, capacitive compensation can achieve continuous adjustment but can not reduce line loss. Commutation can only be discretely switched and cannot be continuously adjusted. In the future, these two methods should be combined to manage the three-phase unbalance, in order to optimize the compensation effect.

    参考文献
    [1] 汪蕾. 配变三相不平衡运行对电网影响的分析及补偿方法的研究[D]. 南京:东南大学,2011:31-32. WANG Lei. Research on influence and compensation method of three-phase unbalanced operation in distribution network[D]. Nanjing:Southeast University,2011:31-32.
    [2] 高辉,徐晴,欧阳曾恺,等. 含多类型分布式电源的源网荷协调优化控制策略分析[J]. 电力工程技术,2018,37(4):21-26. GAO Hui,XU Qing,OUYANG Zengkai,et al. Analysis of the optimal control strategy for source network load with multi-type distributed power source[J]. Electric Power Engineering Technology,2018,37(4):21-26.
    [3] 王若丞. 配电网三相不平衡对线损增加率及电压偏移的影响[J]. 电力工程技术,2017,36(4):131-136. WANG Ruocheng. Influence of distribution network three-phase unbalance on line loss increase rate and voltage offset[J]. Electric Power Engineering Technology,2017,36(4):131-136.
    [4] 郭峰,姚莉娜,刘恒,等. 引入三相不平衡度的低压电网理论线损计算[J]. 电力自动化设备,2007,27(11):51-54. GUO Feng,YAO Lina,LIU Heng,et al. Theoretical line loss calculation with three-phase unbalance degree for low- voltage distribution network[J]. Electric Power Automation Equipment,2007,27(11):51-54.
    [5] 闫志强,雷霞,何建平,等. 三相不平衡对配电变压器损耗影响的研究[J]. 电测与仪表,2017,54(16):43-49. YAN Zhiqiang,LEI Xia,HE Jianping,et al. Study on the influence of three-phase unbalance on distribution transformer loss[J]. Electrical Measurement and Instrumentation,2017,54(16):43-49.
    [6] 黄勃,陈永明,朱雷. 低压配电网三相不平衡对变压器出力损失影响研究[J]. 中国设备工程,2017(12):204-205. HUANG Bo,CHEN Yongming,ZHU Lei. Study on the influence of three-phase unbalance of low-voltage distribution network on transformer output loss [J]. China Plant Engineering,2017(12):204-205.
    [7] Testing and measurement techniques:unbalance,immunity test:IEC 61000-4-27,[S].
    [8] 电能质量三相电压不平衡:GB/T 15543—2008[S]. Power quality three-phase voltage unbalance:GB/T 15543—2008[S].
    [9] BOLLEN M. Definition of voltage unbalance[J]. IEEE Power Engineering Review,2002,22(11):49-50.
    [10] SINGHA K, SINGHG A, MITRA R. Some observations on definition of voltage unbalance[C]∥ 39th North American Power Symposium(NAPS 2007),New Mexico,USA.IEEE,2007:473-479.
    [11] 周林,张有玉,刘强,等. 三相不平衡度算法的比较研究[J]. 华东电力,2010,38(2):210-214. ZHOU Lin,ZHANG Youyu,LIU Qiang,et al. Comparative study of three-phase unbalance algorithm[J]. East China Electric Power,2010,38(2):210-214.
    [12] CIGRE. A new simple and effective approximate formulation for the determination of three-phase unbalance by voltmeter method[C]∥CIGRE.Belgique,1986.
    [13] GHIJSELEN J A L,BOSSCHEA P M V D. Exact voltage unbalance assessment without phase measurements[J]. IEEE Transactions on Power Systems,2005, 20(1):519-520.
    [14] WAGNER C,EVANS R. Symmetrical components as applied to the analysis of unbalanced electrical circuits[M]. London:McGraw-Hill,1933.
    [15] PILLAY P,MANYAGE M. Definitions of voltage unbalance[J]. IEEE Power Engineering Review,2001,21(5):49-51.
    [16] RODRIGUEZ A D,FUENTES F M,MATTA A J. Comparative analysis between voltage unbalance definitions[C]∥Engineering Applications-International Congress on Engineering(WEA),Bogotá, 2015:1-7.
    [17] CHEN T H,YANG C H, YANG N C. Examination of the definitions of voltage unbalance[J]. Electrical Power and Energy Systems,2013,49:380-385.
    [18] PAVEL B,NIKOLAI P. Apparent power and its components identification and simulation in three-phase systems with unbalanced load [C]∥IEEE 58th International Scientific Conference on Power and Electrical Engineering of Riga Technical University.Riga,2017:473-479.
    [19] 程晨. 低压配电网三相不平衡治理的研究[D]. 成都:电子科技大学,2017:3-4. CHENG Chen. Research on three-phase unbalance control of low voltage distribution network[D]. Chengdu:University of Electronic Science and Technology of China,2017:3-4.
    [20] 万玉良,项颂,刘海波,等. 三相四线制低压配电网三相不平衡治理装置选型研究[J]. 电力电容器与无功补偿,2017,38(6):113-118. WAN Yuliang,XIANG Song,LIU Haibo,et al. Study on selection of three-phase unbalance control device for three-phase four-wire low voltage distribution network[J]. Power Capacitor & Reactive Power Compensation,2017,38(6):113-118.
    [21] 房雪涛. 配电网三相不平衡负载的无功补偿技术研究[D]. 南京:东南大学,2015:2-21. FANG Xuetao. Research on reactive power compensation technology of three-phase unbalanced load in distribution network[D]. Nanjing:Southeast University,2015:2-21.
    [22] 张薇. 静止无功发生器不平衡运行方式的研究[D]. 北京:华北电力大学,2014:3-4. ZHANG Wei. Research on unbalanced operation mode of SVG[D]. Beijing:North China Electric Power University,2014:3-4.
    [23] 夏雨. 三相四线制并联型有源电力滤波器的研究[D]. 南宁:广西大学,2017:2-3. XIA Yu. Research on three-phase four-wire parallel active power filter[D]. Nanning:Guangxi University,2017:2-3.
    [24] 巩华刚,臧朝伟,张贵生,等. 基于APF的静止无功发生器应用研究[J]. 煤炭工程,2016,48(2):65-68. GONG Huagang,ZANG Chaowei,ZHANG Guisheng,et al. Application of static var generator based on APF[J]. Coal Engineering,2016,48(2):65-68.
    [25] 王一,刘建政. 不对称电压下不平衡负载的平衡化补偿方法[J]. 电力自动化设备,2016,36(10):85-93. WANG Yi,LIU Jianzheng. Balanced compensation for unbalanced load in condition of asymmetrical voltage[J]. Electric Power Automation Equipment,2016,36(10):85-93.
    [26] GYUGYI L,OTTOR A,PUTMAN T H. Principles and applications of static,thyristor-controlled shunt compensators[J]. IEEE Transactions on Power Apparatus and Systems,1978,97(5):1935-1945.
    [27] 单铁铭,杨仁刚. 不平衡电流无功补偿方法研究[J]. 电力自动化设备, 2004,24(12):26-28. SHAN Tieming,YANG Rengang. Reactive power compensation for unbalanced current[J]. Electric Power Automation Equipment,2004,24(12):26-28.
    [28] 黄国栋,杨仁刚,冯小明. 三相不平衡负载无功补偿方法的研究[J]. 电测与仪表,2011,48(544):23-26. HUANG Guodong,YANG Rengang,FENG Xiaoming. Research on reactive compensation method for unbalanced load[J]. Electrical Measurement and Instrumentation,2011,48(544):23-26.
    [29] 房俊龙,于洪涛,马文川,等. 农村电网不对称负荷补偿方法研究[J]. 东北农业大学学报. 2014,45(7):108-111. FANG Junlong,YU Hongtao,MA Wenchuan,et al. Study on compensation method of unbalanced load in rural power grid[J]. Journal of Northeast Agricultural University,2014,45(7):108-111.
    [30] 张明江,纪延超,顾强. 三相不平衡与无功功率的综合补偿方法[J]. 电网技术,2008,32(1):20-23. ZHANG Mingjiang,JI Yanchao,GU Qiang. Integrated compensation scheme for three-phase unbalance and reactive power[J]. Power System Technology, 2008,32(1):20-23.
    [31] 张永军,孟文博,赵积春,等. 三相不平衡与无功功率综合补偿系统的研究[J]. 电工技术杂志,2004(12):63-65. ZHANG Yongjun,MENG Wenbo,ZHAO Jichun,et al. The study of integrated compensation system for three phases unbalance and reactive power[J]. Electrotechnical Magazine,2004(12):63-65.
    [32] 纪飞峰,周荔丹,姚钢,等. 基于同步对称分量法的静止无功补偿装置[J]. 中国电机工程学报,2005,25(6):24-29. JI Feifeng,ZHOU Lidan,YAO Gang,et al. Static var compensator based on the method of synchronous symmetrical component [J]. Proceedings of the CSEE,2005,25(6):24-29.
    [33] 王江彬,田铭兴,陈敏,等. 基于Steinmetz理论的三相四线制不平衡电流补偿[J]. 电力系统及其自动化学报,2016,28(9):20-26. WANG Jiangbin,TIAN Mingxing,CHEN Min,et al. Three-phase four-wire unbalanced current compensation based on Steinmetz theory[J]. Proceedings of the CSU-EPSA,2016,28(9):20-26.
    [34] 孙建新. 改进型配电台区无功综合补偿控制器[J]. 电力电容器与无功补偿,2017,38(2):28-32. SUN Jianxin. Modified reactive power comprehensive compensation controller for distribution network[J]. Power Capacitor & Reactive Power Compensation,2017,38(2):28-32.
    [35] 王丽,刘会金,王陈. 瞬时无功功率理论的研究综述[J]. 高电压技术,2006,32(2):98-103. WANG Li,LIU Huijin,WANG Chen. Summary of the instantaneous reactive power theory[J]. High Voltage Engineering,2006,32(2):98-103.
    [36] 韦钢,陈森环,蔡阳,等. 基于瞬时无功功率理论的三相不平衡负荷补偿[J]. 电力自动化设备. 2010,30(2):59-62. WEI Gang,CHEN Senhuan,CAI Yang,et al. Compensation for three-phase unbalanced load based on instantaneous reactive power theory[J]. Electric Power Automation Equipment,2010,30(2):59-62.
    [37] 丁仁杰,刘健,赵玉伟,等. 不平衡电路的瞬时功率分析及不对称负荷补偿方法[J]. 电工技术学报,2007,22(1):120-124. DING Renjie,LIU Jian,ZHAO Yuwei,et al. An analysis of instantaneous power in unbalanced circuits and a method to compensate unbalanced load[J]. Transactions of China Electrotechnical Society,2007,22(1):120-124.
    [38] 仇志丽. 三相负载不平衡有源补偿装置研究[D]. 徐州:中国矿业大学,2017:4-6. QIU Zhili. Research on active compensation equipment of three phase unbalanced load[D]. Xuzhou:China University of Mining and Technology,2017:4-6.
    [39] 徐在德,范瑞祥,王文彬,等. 电压不平衡下正序有功有源装置补偿特性研究[J]. 电气传动,2017,47(9):70-74. XU Zaide,FAN Ruixiang,WANG Wenbin,et al. Research on compensation characteristics of positive-sequence active compensation device under voltage unbalance[J]. Electric Drive,2017,47(9):70-74.
    [40] 徐在德,范瑞祥,潘本仁,等. 基于基波检测原理的配电台区有源补偿装置研究与应用[J]. 电力系统保护与控制,2017,45(12):133-139. XU Zaide,FAN Ruixiang,PAN Benren,et al. Research and application for active compensation of power distribution devicebased on the principle of fundamental wave detection[J]. Power System Protection and Control,2017,45(12):133-139.
    [41] WENCHAO J,XIN Z. A control algorithm for reactive power compensation of ferroalloy furnace base on spline interpolation [C]∥2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering. Changchun,2010:102-112.
    [42] 喻勇. 三相不平衡综合治理措施及智能换相GUI系统研究[D]. 南昌:华东交通大学,2015:3-8. YU Yong. Research on unbalanced three-phase comprehensive treatment measures and intelligent commutation GUI system [D]. Nanchang:East China Jiaotong University,2015:3-8.
    [43] 王晴. 三相负荷不平衡调整开关及其应用[J]. 农村电气化,2011,1(8):5. WANG Qing. Three-phase load unbalance adjustment switch and its application [J]. Rural Electrification,2011,1(8):5.
    [44] 叶伟杰. 江西电网配电变压器三相不平衡综合治理措施研究[D]. 南昌:南昌大学,2013:19-20. YE Weijie. Research on comprehensive control measures of three-phase unbalance of distribution transformer in Jiangxi power grid[D]. Nanchang:Nanchang University,2013:19-20.
    [45] 孙建东,蔡月明,岳仁超. 智能换相开关低压模拟环境的设计与实现[J]. 自动化与仪器仪表,2015(8):194-195. SUN Jiandong,CAI Yueming,YUE Renchao. Design and implementation of low voltage simulation environment for intelligent commutation switch[J]. Automation & Instrumentation,2015(8):194-195.
    [46] 张文斌,赵维,熊星,等. 基于三相负荷平衡控制的电网节能降损技术[J]. 农村电气化,2014(8):13-15. ZHANG Wenbin,ZHAO Wei,XIONG Xing,et al. Energy-saving and loss-reduction technology of power grid based on three-phase load balance control[J]. Rural Electrification,2014(8):13-15.
    [47] 黄胜利,李洪涛. 基于固态智能换相开关的三相负荷不平衡解决方案研究[J]. 电器与能效管理技术,2016(5):13-17. HUANG Shengli,LI Hongtao. Research on three phase unbalanced loads based on solid-state intelligent switching-phase switch[J]. Electrical & Energy Management Technology,2016(5):13-17.
    [48] 王瑶. 低压开关的永磁控制技术研究[D]. 北京:华北电力大学,2014:32-33. WANG Yao. Research on electromagnetic system of control and protective switching devices[D]. Beijing:North China Electric Power University,2014:32-33.
    [49] 李卫峰,姚陆通. 一种永磁真空任意换相开关:201310457387. 9[P]. 2013-09-30. LI Weifeng,YAO Lutong. Permanent magnet vacuum arbitrary commutation switch:201310457387. 9[P]. 2013-09-30.
    [50] 张志华,李今宋,周捷,等. 低压三相负荷不平衡治理控制策略研究[J]. 电气自动化. 2016,38(2):69-71. ZHANG Zhihua,LI Jinsong,ZHOU Jie,et al. A study on the control strategy of low-voltage three-phase load unbalance[J]. Electrical Automation,2016,38(2):69-71.
    [51] 方恒福,盛万兴,王金丽,等. 配电台区三相负荷不平衡实时在线治理方法研究[J]. 中国电机工程学报,2015,35(9):2185-2193. FANG Hengfu,SHENG Wanxing,WANG Jinli,et al. Research on the method for real-time online control of three-phase unbalanced load in distribution area[J]. Proceedings of the CSEE,2015,35(9):2185-2193.
    [52] 陆惠斌,徐勇,伍宇翔,等. 基于换相技术的三相不平衡治理装置研究[J]. 电力电容器与无功补偿,2016,37(6):64-69. LU Huibin,XU Yong,WU Yuxiang,et al. Study on three phase unbalance control device based on commutation technology[J]. Power Capacitor & Reactive Power Compensation,2016,37(6):64-69.
    [53] 李峻,刘一涛,陈菊红,等. 低压三相不平衡调整优选方案的计算机实现[J]. 电力电气,2013,32(21):55-57. LI Jun,LIU Yitao,CHEN Juhong,et al. Computer implementation of low-voltage three-phase unbalance adjustment optimization scheme[J]. Electrotechnical Application,2013,32(21):55-57.
    [54] 高辉, 徐晴, 欧阳曾恺, 等. 含多类型分布式电源的源网荷协调优化控制策略分析[J]. 电力工程技术, 2018, 37(4):21-26. GAO Hui, XU Qing, OUYANG Cengkai, et al. Analysis of the optimal control strategy for source network load with multi-type distributed power source [J]. Electric Power Engineering Technology, 2018, 37(4):21-26.
    [55] 蒋贤强, 徐青山, 柳丹, 等. 含分布式电源的交直流配网双层规划研究[J]. 电力工程技术, 2018, 37(4):27-32. JIANG Xianqiang XU Qingshan, LIU Dan, et al. Two-layer model of AC/DC distribution network containing DGs [J]. Electric Power Engineering Technology, 2018, 37(4):27-32.
    [56] 郝思鹏,储婷. 基于有功不平衡自动换相控制策略的三相不平衡治理方法和换相系统:201710017512. 2[P]. 2017-05-17. HAO Sipeng,CHU Ting. Three-phase unbalanced treatment method and commutation system based on active unbalanced automatic commutation control strategy:201710017512. 2[P]. 2017-05-17.
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蔡欣灵,郝思鹏.电网三相不平衡的度量与治理综述[J].电力工程技术,2019,38(5):185-192

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  • 收稿日期:2019-03-09
  • 最后修改日期:2019-04-24
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