杨小兵;李兴源;金小明;郝巍;

• 1:四川大学电气信息学院
• 2:中国南方电网技术研究中心
• 3:云南省电力设计院

摘要(Abstract)：

高压直流换流器和换流变压器的饱和特性之间的相互作用可以导致换流变压器铁心饱和不稳定现象的发生。文章研究了变压器铁心饱和不稳定的产生机理,给出了饱和稳定因子(saturation stability factor,SSF)的定义,提出了采用仿真方法求取换流器两侧谐波关系的矩阵参数和SSF。基于南方电网2010年数据,采用PSCAD/EMTDC对云广±800kV特高压直流输电系统建立了详细的电磁暂态仿真模型,对三相接地故障激发的铁心饱和不稳定现象进行了仿真研究,验证了SSF判断法的有效性。

关键词(KeyWords)： 特高压直流(UHVDC);铁心饱和不稳定;饱和稳定因子(SSF)

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究专项经费资助项目(2004CB217907);; 国家科技支撑计划项目(2008BAA13B01)。~~

作者(Author): 杨小兵;李兴源;金小明;郝巍;

Email:

DOI:

参考文献(References)：

• [1]中国南方电网公司.±800kV直流输电技术研究[M].北京:中国电力出版社,2006:2-60.
• [2]郝巍,李兴源,金小明,等.直流输电引起的谐波不稳定及其相关问题[J].电力系统自动化,2006,30(19):94-99.Hao Wei,Li Xingyuan,Jin Xiaoming,et al.A survey of harmonic instability and related problem caused by HVDC[J].Automation of Electric Power Systems,2006,30(19):94-99(in Chinese).
• [3]Xiao Jiang.A frequency scanning method for the identification of harmonic instability in HVDC systems[J].IEEE Tran on Power Delivery,1995,10(4):1875-1881.
• [4]Larsen E V.Low-order harmonic interactions on AC/DC systems[J].IEEE Tran on Power Delivery,1989,4(1):493-501.
• [5]Ainsworth J D.Harmonic instability between controlled static converters and AC networks[J].Proc IEE,1967,114(7):949-957.
• [6]Hammad A E.Analysis of second harmonic instability for the chateauguay HVDC/SVC scheme[J].IEEE Trans on Power Delivery,1992,17(1):410-415.
• [7]Yacamini R.Instability in HVDC schemes at low-order integer harmonics[J].Proc IEE,1980,127(3):179-188.
• [8]Burton R S.Prediction of core saturation instability at an HVDC converter[J].IEEE Tran on Power Delivery,1996,11(4):1961-1969.
• [9]谷毅,赵玉柱,张国威.关于500kV东明开关站启动调试期间发生电压谐振的分析[J].电网技术,2002,26(12):71-74.Gu Yi,Zhao Yuzhu,Zhang Guowei.Discussion on voltage resonance occurred in Bao-ren 500 transmission line furing start up of Dongming switching station[J].Power System Technology,2002,26(12):71-74(in Chinese).
• [10]周辉,吴耀武,娄素华,等.基于模态分析和虚拟支路法的串联谐波谐振分析[J].中国电机工程学报,2007,27(28):84-89.Zhou Hui,Wu Yaowu,Lou Suhua,et al.Series resonance analysis based on modal analysis and dummy branch method[J].Proceedings of the CSEE,2007,27(28):84-89(in Chinese).
• [11]顾伟峰,马伟明,王东,等.12/3相双绕组异步发电机自激起励时谐波谐振问题研究[J].中国电机工程学报,2004,24(6):167-171.Gu Weifeng,Ma Weiming,Wang Dong,et al.Research on the harmonic resonance of the 3-12-phase double-winding asynchronous generator during its self-excitation[J].Proceedings of the CSEE,2004,24(6):167-171(in Chinese).
• [12]徐文远,张大海.基于模态分析的谐波谐振评估方法[J].中国电机工程学报,2005,25(22):89-93.Xu Wenyuan,Zhang Dahai.A modal analysis method for harmonic resonance assessment[J].Proceedings of the CSEE,2005,25(22):89-93(in Chinese).
• [13]Ainsworth J D.Core saturation instability in Kingsnorth HVDC link[C].CIGRE study committee 14,Winnipeg,Canada,1977.
• [14]Wood A R,Arrillaga J.The frequency dependent impedance of an HVDC converter[J].IEEE Tran on Power Delivery,1995,10(3):1635-1641.
• [15]Chen S,Wood A R,Arrillaga J.HVDC converter transformer core saturation instability:a frequency domain analysis[J].IEE Proc Gener Transm Distrib,1996,143(1):75-81.
• [16]Wood A R,Arrillaga J.Composite resonance a circuit approach to the waveform distortion dynamics of an HVDC converter[J].IEEE Trans on Power Systems,1995(10):1882-1888.
• [17]夏道止.电力系统分析[M].北京:水利水电出版社,1995:154-184.
• [18]李兴源.高压直流输电系统的运行和控制[M].北京:科学出版社,1998:44-52.
• [19]汤蕴璆,史乃.电机学[M].北京:机械工业出版社,2001:25-31.