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  2010 

电力系统中谐波源的建模方法

, PP. 41-45

Full-Text   Cite this paper   Add to My Lib

Abstract:

电力系统中非线性负载的广泛使用使得谐波分析必不可少,其中建立适当的模型来表征谐波源特性尤为重要,结合相关文献综述了现有的各种谐波源模型,并对其建模方法进行了分析、比较。考虑到支持向量机在高维数据模型构建中良好的泛化能力,针对一个低压民用电器整流电路进行Matlab仿真获取训练数据,并用最小二乘支持向量机(leastsquaressupportvectormachine,LS-SVM)建模。结果表明模型输出谐波电流与实际仿真结果基本一致,使用上述方法建立的模型精度高,验证了最小二乘支持向量机是一种有效的谐波源建模方法。

References

[1]  IEEE PES Harmonic Working Group.Characteristics and modeling of harmonic sources-power electronic devices[J].IEEE Transactions on Power Delivery,2001,16(4):791-800.
[2]  Task Force on Harmonic Modeling and Simulation.Modeling and simulation of the propagation of harmonics in electric power networks part1:concepts,models,and simulation techniques[J].IEEE Trans on Power Delivery,1996,11(1):452-465.
[3]  IEEE Std 519-1993 IEEE recommended practices and requirements for harmonic control in electric power systems[S].
[4]  Fauri M.Harmonic modelling of non-linear load by means of crossed frequency admittance matrix[J].IEEE Trans on Power Systems,1997,12(4):1632-1638.
[5]  Thunberg E,Soder L.A Norton approach to distribution network modeling for harmonic studies[J].IEEE Trans on Power Delivery,1999,14(1):272-277.
[6]  赵勇,张涛,李建华,等.一种新的谐波源简化模型[J].中国电机工程学报,2002,22(4):46-51.
[7]  Zhao Yong,Zhang Tao,Li Jianhua,et al.A new simplified harmonic source model for harmonic analysis and mitigation[J].Proceedings of the CSEE,2002,22(4):46-51(in Chinese).
[8]  Xu W,Drakos J E,Mansour Y,et al.A three-phase converter model for harmonic analysis of HVDC systems[J].IEEE Trans on Power Delivery,1994,9(3):1724-1731.
[9]  Carpinelli G,Gagliardi F.Generalized convertor models for iterative harmonic analysis in power systems[J].IEE Proceeding of Generation Transmission Distribution,141(5):1994.
[10]  李建超.配电网谐波调查及谐波网损计算[D].济南:山东大学,2008.
[11]  Sun Y Y,Zhang G B,Xu W,et al.A non-intetative harmonic power flow method for accurate harmonic calculations[C].Proceedings of International Conference on Harmonics and Quality of Power,Wollongong,Australia,2008.
[12]  王群,姚为正,刘进军.谐波源与有源电力滤波器的补偿特性[J].中国电机工程学报,2001,21(2):16-20.
[13]  Wang Qun,Yao Weizheng,Liu Jinjun.Harmonic source and compensation characteristics of active power filters[J].Proceedings of the CSEE,2001,21(2):16-20(in Chinese).
[14]  赵勇,沈红,李建华.谐波源的识别及其用于非谐波源的分离方法[J].中国电机工程学报,2002,22(5):84-87.
[15]  Zhao Yong,Shen Hong,Li Jianhua.Approach of identification and separation of harmonic sources[J].Proceedings of the CSEE,2002, 22(5):84-87(in Chinese).
[16]  Lima L T G,Semlyen A,Iravani M R.Harmonic domain periodic steady state modeling of power electronics apparatus:SVC and TCSC[J].IEEE Trans on Power Delivery,2003,18(3):960-967.
[17]  Xu W,Drakos J E,Mansour Y.A three-phase converter model for harmonic analysis of HVDC system[J].IEEE Trans on Power Delivery,9(3):1994.
[18]  Rosa F D,Langella R,Sollazzo A.Waveform distortion caused by high power adjustable speed drives,partⅠ:high computational efficiency models[J].ETEP,2003,13(6):347-354.
[19]  Moreno M A,Usaola J.Frequency domain methods for analysis of VSI-PWM converters, using neural networks[C].Proceedings of 8th International Conference Harmon Quality Power,Athens,Greece,1998.
[20]  Moreno M A,Usaola J.Electronic converter models implemented with radial basis function networks[C].Proceedings of 10th International Conference Harmon Quality Power,Rio De Janeiro,Brazil,2002.
[21]  Moreno M A,Usaola J.A new balanced harmonic load flow including nonlinear loads modeled with RBF networks[J].IEEE Trans on Power Delivery,2004,19(2):686-693.
[22]  占勇,程浩忠.基于广义生长–剪枝径向基函数神经网络的谐波源建模[J].中国电机工程学报,2005,25(16):42-46.
[23]  Zhan Yong,Cheng Haozhong.Generalized growing and pruning RBF neural network based harmonic source modeling[J].Proceedings of the CSEE,2005,25(16):42-46(in Chinese).
[24]  Cristianini N,Shawer-Taylor J.支持向量机导论[M].北京:电子工业出版社,2004:82-105.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133