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  2015 

基于最大熵原理的馈线谐波概率评估方法

DOI: 10.13335/j.1000-3673.pst.2015.02.039, PP. 550-555

Keywords: 最大熵原理,馈线谐波,概率评估,概率密度函数

Full-Text   Cite this paper   Add to My Lib

Abstract:

母线谐波电流是各馈线谐波电流的矢量和。由于各馈线谐波电流占比并不平均,可能出现母线谐波监测正常但实际上个别馈线谐波含量已经超标的情况。为此,提出一种馈线谐波概率评估方法,对馈线谐波状况进行快速评估。基于最大熵原理,推导了馈线谐波电流分配系数的联合概率密度函数,建立了反映下级各馈线谐波电流均未超标的数学模型,求解并绘制了至少存在一条馈线谐波电流超标的概率的曲线图。与拟Mente-Carlo积分比较及实例分析的结果表明了该方法的有效性。

References

[1]  马历,刘开培,雷肖.配电网谐波源定位的支持向量机估计算法[J].中国电机工程学报,2008,28(10):111-116.Ma Li,Liu Kaipei,Lei Xiao.Support vector machine estimating algorithm of harmonic source localization in power distribution network[J].Proceedings of the CSEE,2008,28(10):111-116(in Chinese).
[2]  惠锦,杨洪耕,叶茂清.多谐波源条件下的谐波污染责任划分研究[J].中国电机工程学报,2011,31(13):48-54.Hui Jin,Yang Honggeng,Ye Maoqing.Research on the responsibility partition of harmonic pollution of multiple harmonic sources[J].Proceedings of the CSEE,2011,31(13):48-54(in Chinese).
[3]  孙媛媛,尹志明.基于M估计稳健回归的多谐波源责任区分[J].中国电机工程学报,2012,32(31):166-173.Sun Yuanyuan,Yin Zhiming.Quantifying harmonic responsibilities of multiple harmonic sources based on M-estimation robust regression13 .Proceedings of the CSEE,2012,32(31):166-173(in Chinese).
[4]  孙媛媛,李佳奇,尹志明.基于实测数据的集中式多谐波源责任评估[J].中国电机工程学报,2014,34(13):2164-2171.Sun Yuanyuan,Li Jiaqi,Yin Zhiming.Quantifying harmonic impacts for concentrated multiple harmonic sources using actual data[J].Proceedings of the CSEE,2014,34(13):2164-2171(in Chinese).
[5]  刘鑫,杨洪耕.基于最大熵原理的谐波求和问题[J].电力系统保护与控制,2009,37(11):19-23.Liu Xin,Yang Honggeng.Summation of random harmonic vectors based on the maximum entropy principle[J].Power System Protection and Control,2009,37(11):19-23(in Chinese).
[6]  Iuculano G,Nielsen L,Zanobini A,et al.The principle of maximum Entropy applied in the evaluation of the measurement uncertainty[J].IEEE Trans on Instrumentation and Measurement,2007,56(3):717-722.
[7]  肖先勇,马超,杨洪耕,等.用电压暂降严重程度和最大熵评估负荷电压暂降敏感度[J].中国电机工程学报,2009,29(31):115-121.Xiao Xianyong,Ma Chao,Yang Honggeng,et al.Stochastic estimation of equipment sensitivity to voltage sag based on voltage sag severity index and maximum entropy principle[J].Proceedings of the CSEE,2009,29(31):115-121(in Chinese).
[8]  鲁珊珊,唐贵,卞红琴,等.拟蒙特卡罗积分与蒙特卡罗积分[J].温州大学学报,2008,29(2):14-19.Lu Shanshan,Tang Gui,Bian Hongqin,et al.Quasi-Monte Carlo integrations and Monte Carlo integrations[J].Journal of Wenzhou University,2008,29(2):14-19(in Chinese).
[9]  胡铭,陈珩.电能质量及其分析方法综述[J].电网技术,2000,24(3):36-38.Hu Ming,Chen Yan.Survey of power quality and its analysis method2 .Power System Technology,2000,24(3):36-38(in Chinese).
[10]  Xu W,Bahry R,Mazin H E,et al.A method to determine the harmonic contributions of multiple loads[C]// IEEE Power & Energy Society General Meeting.Alberta,Canada:IEEE PES,2009:1-6.
[11]  Farhoodnea M,Mohamed A,Shareef H.A new method for determining multiple harmonic source locations in a power distribution system[C]//IEEE International Conference on Power and Energy.Kuala Lumpur.2010:146-150.
[12]  D'Antona G,Muscas C,Pegoraro P A,et al.Harmonic source estimation in distribution systems[J].IEEE Transactions on Instrumentation and Measurement,2011,60(10):3351-3359.
[13]  蔡明,唐昆明,张太勤.基于参数辨识方法的谐波源定位[J].电网技术,2011,35(6):134-138.Cai Ming,Tang Kunming,Zhang Taiqin.Harmonic source localization based on parameter identification[J].Power System Technology,2011,35(6):134-138(in Chinese).
[14]  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).
[15]  杨源,臧天磊,何正友.一种谐波阻抗未知条件下的谐波源定位方法[J].电网技术,2014,38(1):222-226.Yang Yuan,Zang Tianlei,He Zhengyou.A harmonic source location method under unknown harmonic impedance[J].Power System Technology,2014,38(1):222-226(in Chinese).
[16]  唐昆明,蔡明,罗建,等.基于奇异值分解的非线性负荷谐波源定位方法[J].电力系统自动化,2012,36(1):96-100.Tang Kunming,Cai Ming,Luo Jian,et al.Harmonic source location based on singular value decomposition method[J].Automation of Electric Power Systems,2012,36(1):96-100(in Chinese).
[17]  马历,刘开培,雷肖.基于LS-SVM的谐波源定位及谐波源注入电流分解方法[J].电力系统自动化,2007,31(18):61-65.Ma Li,Liu Kaipei,Lei Xiao.Method of localization based on LS-SVM and injected currents decomposability for harmonic sources[J].Automation of Electric Power Systems,2007,31(18):61-65(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133