变压器谐波模型的研究与评价Research and Evaluation of the Transformer Harmonic Model
方少麟,李建华,黄莹,邱伟,桑天松
摘要(Abstract):
目前在谐波分析与计算中,有多种变压器模型供选择,但各种模型适应于哪种情况,且哪种模型更为准确,并没有公认的结论。文中根据变压器谐波有功损耗与谐波有效电阻之间的对应关系,同时考虑到绕组导线内涡流的去磁效应对漏抗的影响,提出一种建立变压器谐波模型的方法。以此为参考模型,对常用的六种变压器谐波模型进行理论分析,并对两类变压器实例进行计算,验证目前常用变压器谐波模型的适用性,并根据计算结果推荐模型5和模型6作为谐波分析与计算时的变压器模型。
关键词(KeyWords): 变压器模型;谐波分析;频率特性;有功损耗
基金项目(Foundation):
作者(Author): 方少麟,李建华,黄莹,邱伟,桑天松
参考文献(References):
- [1]Mahmoud A A,Shultz R D.A method for analyzingharmonic distribution in AC power systems[J].IEEETrans on Power Apparatus and Systems,1982,l01(6):1815-1824.
- [2]Farncisco C,De La Rosa.Harmonics and Power Systems[M].北京:机械工业出版社,2009.
- [3]Arrillaga J,Watson N R.Power System Harmonics[M].北京:中国电力出版社,2008.
- [4]Wakileh G J.Power System Harmonics Fundamentals,Analysis and Filter Design[M].北京:机械工业出版社,2011.
- [5]Densem T J,Bodger P S,Arrillaga J.Three phase trans-mission system modelling for harmonic penetration studies[J].IEEE Trans on Power Apparatus and Systems,1984,l03(2):310-317.
- [6]Wu Xueguang,Sadullah S,Matthews B,et al.Nodal har-monic impedance derivation of AC network in PSS/E[C]//9th IET International Conference on AC and DC PowerTransmission.London,UK:2010.
- [7]王瑞珍,刘丰,于育民(Wang Ruizhen,Liu Feng,Yu Yu-min).换流变压器谐波损耗频率特性测量方法研究(Research on measuring method of frequency characteris-tic of harmonic losses in convertor transformers)[J].变压器(Transformer),2002,39(1):24-27.
- [8]Hwang M S,Grady W M,Sanders H W Jr.Distributiontransformer winding losses due to nonsinusoidal currents[J].IEEE Trans on Power Delivery,1987,PWRD-2(1):140-146.
- [9]Li Pei,Li Guodong,Xu Yonghai,et al.Methods compara-tion and simulation of transformer harmonic losses[C]//Asi-a-Pacific Power and Energy Engineering Conference.Chengdu,China:2010.
- [10]兰丽霞,徐向军,罗隆福(Lan Lixia,Xu Xiangjun,LuoLongfu).新型换流变压器谐波损耗的计算与分析(Cal-culation and analysis of new type converting transformer'sharmonic loss)[J].电力系统及其自动化学报(Proceed-ings of the CSU-EPSA),2011,23(6):36-40.
- [11]瓦修京斯基C B.变压器的理论与计算[M].北京:机械工业出版社,1983.
- [12]Crepaz S.Eddy-current losses in rectifier transformers[J].IEEE Trans on Power Apparatus and Systems,1970,89(7):1651-1656.
- [13]刘传彝.电力变压器设计计算方法与实践[M].沈阳:辽宁科学技术出版社,2005.