全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2014 

基于自适应原理的改进型FBD谐波电流检测算法

DOI: 10.13335/j.1000-3673.pst.2014.04.035, PP. 1051-1058

Keywords: 谐波检测,FBD法,自适应算法,移相正反馈

Full-Text   Cite this paper   Add to My Lib

Abstract:

FBD检测法是一种有效的电网谐波电流检测方法,但受限于低通滤波器,传统FBD谐波检测法很难兼顾响应速度和检测精度。构建了一种基于自适应原理的新型FBD谐波检测法,利用改进后的最小均方(leastmeansquare,LMS)算法替代原有低通滤波器,使算法准确快速地检测出基波正序电流。在所提算法的基础上增加移相正反馈环节,增强了算法在负载电流突变时的动态响应特性。Matlab/Simulink环境下的仿真结果和实验室测试结果证明了所提改进算法的可行性和有效性。

References

[1]  Marafão F P,Paredes H,da Siva L.Critical evaluation of FBD,PQ and CPT current decompositions for four-wire circuits[C]//Power Electronics Conference,COBEP'09.Brazilian:IEEE,2009:49-57.
[2]  张民,贺仁睦,李泰,等.交流滤波器电抗器谐波热过负荷保护设计及其在直流工程中的应用[J].电网技术,2013,37(2):482-487.Zhang Min,He Renmu,Li Tai,et al.Design of harmonics-caused thermal overload protection for AC filter reactor and its application in HVDC power transmission projects[J].Power System Technology,2013,37(2):482-487(in Chinese).
[3]  杨源,林圣,臧天磊,等.基于改进稀疏表示法的谐波源定位[J].电网技术,2013,37(5):1279-1284.Yang Yuan,Lin Sheng,Zang Tianlei,et al.Improved sparse representation-based location of harmonic sources in power system[J].Power System Technology,2013,37(5):1279-1284(in Chinese).
[4]  王建伟,胡晓光,陈松松,等.具有谐波补偿功能的动态电压恢复器控制策略[J].电网技术,2013,37(6):1700-1705.Wang Jianwei,Hu Xiaoguang,Chen Songsong,et al.A control strategy for dynamic voltage restorer with harmonic compensation function[J].Power System Technology,2013,37(6):1700-1705(in Chinese).
[5]  黄建明,吴春华,许富强.基于相序解耦谐振控制器的基波正序电压相位检测方法[J].电网技术,2013,37(3):667-672.Huang Jianming,Wu Chunhua,Xu Fuqiang.Phase detection of fundamental positive sequence voltage based on sequence-decoupled resonant controller [J].Power System Technology,2013,37(3):667-672(in Chinese).
[6]  薛蕙,杨仁刚.基于FFT的高精度谐波检测算法[J].中国电机工程学报,2002,22(12):106-110.Xue Hui,Yang Rengang.Prevcise algorithms for harmonic analysis based on FFT algorithm[J].Proceedings of the CSEE,2002,22(12):106-110(in Chinese).
[7]  周林,张凤,栗秋华,等.无锁相环ip-iq检测任意次谐波电流的新方法[J].高电压技术,2007,33(7):129-133.Zhou Lin,Zhang Feng,Li Qiuhua,et al.New algorithm for random harmonic current detection using ip-iq without phase lock loop[J].High Voltage Engineering,2007,33(7):129-133(in Chinese).
[8]  黄宇淇,孙卓,姜新建,等.FBD法及复合控制在有源滤波器中的应用[J].电力系统自动化,2006,30(7):65-68.Huang Yuqi,Sun Zhuo,Jiang Xinjian,et al.Application of FBD method and composite control in active power filter[J].Automation of Electric Power Systems,2006,30(7):65-68(in Chinese).
[9]  戴列峰,蒋平,田大强.无锁相环dq谐波电流检测法的实现[J].电网技术,2003,27(8):46-49.Dai Liefeng,Jiang Ping,Tian Daqiang.Realization of harmonic current detection of d-q transformation without phase lock loop[J].Power System Technology,2003,27(8):46-49(in Chinese).
[10]  张国荣,王英.自适应神经网络在谐波电流检测中的应用[J].电力系统及其自动化学报,2010,34(3):46-49.Zhang Guorong,Wang Ying.Application of adaptive neural networks in harmonic current detection[J].Proceedings of the CSU-EPSA,2010,34(3):46-49(in Chinese).
[11]  李益华,李正新.Hopfield神经网络在单相电路谐波电流检测中的应用[J].电气工程应用,2012(3):26-29.Li Yihua,Li Zhengxin.Application of Hopfield artificial neurons harmonic current detection method in single-phase circuit[J].Application of Electrical Engineering,2012(3):26-29(in Chinese).
[12]  汤红诚,伍建林,李著信,等.一种基于人工神经元的实时谐波及无功电流数字检测方法[J].电网技术,2002,26(12):13-17.Tang Hongcheng,Wu Jianlin,Li Zhuxin,et al.A real-time approach to digital detection of harmonics and reactive currents based on artificial neurons[J].Power System Technology,2002,26(12):13-17(in Chinese).
[13]  陈娟,郑建勇,丁祖军,等.pqr法与FBD法在三相四线制系统谐波电流检测中的对比[J].电力自动化设备,2007,27(11):30-33.Chen Juan,Zheng Jianyong,Ding Zujun,et al.Comparison of harmonic detection in three-phase four-wire system between p-q-r method and FBD method[J].Electric Power Automation Equipment,2007,27(11):30-33(in Chinese).
[14]  丁祖军,郑建勇,胡敏强,等.FBD算法电流检测的滞后误差建模[J].电工技术学报,2008,23(2):134-137.Ding Zujun,Zheng Jianyong,Hu Minqian,et al.Modeling of the delay error of current detection based on FBD algorithm[J].Transactions of China Electrotechnical Society,2008,23(2):134-137(in Chinese).
[15]  陈峻岭,姜新建,孙卓,等.基于FBD法的三相电力系统电流检测方法的应用[J].电力系统自动化,2004,28(24): 23-27.Chen Junling,Jiang Xinjian,Sun Zhuo,et al.Current detections for three-phase power system based on FBD method[J].Automation of Electric Power Systems,2004,28(24): 23-27(in Chinese).
[16]  戴朝波,林海雪,雷林绪.两种谐波电流检测方法的比较研究[J].中国电机工程学报,2002,22(1):80-84.Dai Chaobo,Lin Haixue,Lei Linxu.A study on the comparison of two harmonic current detecting methods[J].Proceedings of the CSEE,2002,22(1):80-84(in Chinese).
[17]  曾令全,曾德俊,吴杰,等.用于有源滤波器谐波检测的一种新的自适应算法[J].电网技术,2008,32(13):40-44.Zheng Lingquan,Zheng Dejun,Wu Jie,et al.A novel adaptive algorithm applied in harmonic detection of active power filter[J].Power System Technology,2008,32(13):40-44(in Chinese).
[18]  Chen W Y,Haddad R A.A variable step size LMS algorithm[C]//Proceedings of the 33rd Midwest Symposium on Circuits and Systems.Calgary, Alberta:IEEE, 1990:423-426.
[19]  Aboulnasr T,Mayyas K.A robust variable step-size LMS-type algorithm:analysis and simulations[J].IEEE Trans on Signal Processing,1997,45(3):631-639.
[20]  于晶荣,曹一家,关维德,等.基于FBD法的有源电力滤波器参考电流检测新方法[J].湖南大学学报:自然科学版,2011,38(2):45-50.Yu Jingrong,Cao Yijia,Guan Weide,et al.A new reference current detecting algorithm based on FBD method for active power filter[J].Journal of Hunan University:Natural Sciences,2011,38(2):45-50(in Chinese).
[21]  曲轶龙,于晶荣,吴伟标.基于FBD法的新型谐波电流检测方法研究[J].电源技术,2012,36(8):1143-1146.Qu Yilong,Yu Jingrong,Wu Weibiao.A novel harmonic current detection method based on FBD[J].Chinese Journal of Power Sources,2012,36(8):1143-1146(in Chinese).
[22]  张永强,宋微浪,高新杰.改进型低通滤波器在可变谐波源负载谐波检测中的应用探究[J].电力学报,2010,6(12):475-478.Zhang Yongqiang,Song Weilang,Gao Xinjie.Application exploring on variable harmonic source load detection using improved low-pass filter[J].Journal of Electric Power,2010,6(12):475-478(in Chinese).
[23]  Li X,Fan Y,Peng K.A variable step-size LMS adaptive filtering algorithm[C]//Proceedings of the 5th International Conference on Wireless Communications,Networking And Mobile Computing.IEEE Press,2009:2283-2286.
[24]  Kwong R H,Johnston E W.A variable step size LMS algorithm[J].IEEE Trans on Signal Processing,1992,40(7):1633-1642.
[25]  丁祖军,郑建勇,胡敏强,等.基于优化FBD算法的谐波与闪变综合抑制装置的应用与研究[J].电力自动化设备,2008,28(9):19-22.Ding Zujun,Zheng Jianyong,Hu Minqiang,et al.Harmonic and flicker suppression device based on optimized FBD algorithm[J].Electric Power Automation Equipment,2008,28(9):19-22(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133