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电网技术  2009 

基于调制理论的换流变压器铁心饱和不稳定分析

, PP. 49-53

Keywords: 调制理论,电流开关函数,铁心饱和不稳定

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Abstract:

阐述了电流开关函数的详细推导过程,简要介绍了变压器铁心饱和不稳定的产生机理,首次把调制理论应用于解决换流变压器铁心饱和不稳定问题,并提出了一种判断此种谐波不稳定的新方法,然后基于南方电网2010年数据,采用PSCAD/EMTDC建立了云广±800kV直流输电系统详细电磁暂态的仿真模型,对三相接地故障激发的铁心饱和不稳定现象进行了仿真试验,验证了该新方法的正确性。

References

[1]  谷毅,赵玉柱,张国威.关于500 kV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 kV transmission line during start up of Dongming switching station[J].Power System Technology,2002, 26(12):71-74(in Chinese).
[2]  毛晓明,吴小晨.南方交直流并联电网运行问题分析[J].电网技术,2004,28(2):6-13. Mao Xiaoming,Wu Xiaochen.Analysis on operational problems in south China AC-DC hybrid power grid[J].Power System Technology, 2004,28(2):6-13(in Chinese).
[3]  袁清云.特高压直流输电技术现状及在我国的应用前景[J].电网技术,2005,29(14):1-3. Yuan Qingyun.Present state and application prospect of ultra HVDC transmission in China[J].Power System Technology,2005,29(14):1-3(in Chinese).
[4]  Ainsworth J D.Core saturation instability in Kingsnorth HVDC link[C].CIGRE Study Committee 14,Winnipeg,Canada,1977.
[5]  Chen S,Wood A R,Arrillaga J.HVDC converter transformer core saturation instability:a frequency domain analysis[J].IEE Proceedings of Generation, Transmission and Distribution,1996,143(1):75-81.
[6]  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.
[7]  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).
[8]  Hu Lihua,Yacamini R.Harmonic transfer through converters and HVDC links[J].IEEE Transactions on Power Electronics,1992,7(3):514-525.
[9]  Hu L,Yacamini R.Calculation of harmonics and interharmonics in HVDC schemes with low DC side impedance[J].IEE Proceedings-C, 1993,140(6):469-476.
[10]  Hu Lihua,Yacamini R.Calculation of harmonic interference in HVDC systems with unbalance[C].IEE Fourth International Conference on AC and DC Power Transmission,1991:390-394.
[11]  Hu Lihua,Morrison R E.The use of modulation theory to calculate the harmonic distortion in HVDC systems operating on an unbalanced supply[J].IEEE Transactions on Power Systems,1997,12(2):973-979.
[12]  Ying Jiang,Ake E.General analysis of harmonic transfer through converters[J].IEEE Trans on Power Electronics,1997,12(2):287-293.
[13]  Carbone R,Rosa F D,Langella R.A new approach to model AC/DC/AC conversion systems[C].IEEE Power Engineering Society Summer Metting,2001.
[14]  Yu Tao,Shi Dan,Ren Zhen,et al.Study on modeling of multi-harmonic sources in AC/DC hybrid transmission system [C].IEEE/PES Transmission and Distribution Conference & Exhibition,Dalian,China,2005.
[15]  Burton R S,Prediction of core saturation instability at an HVDC converter[J].IEEE Trans on Power Delivery,1996,11(4):1961-1969.
[16]  Rashid M H,Maswood A I.Analysis of three phase AC/DC converters under unbalanced supply conditions[J].IEEE Trans on Industrial Applications,1988,24(3):449-455.
[17]  杨小兵,李兴源,金小明,等.云广特高压直流输电系统中换流变压器铁心饱和不稳定分析[J].电网技术,2008,32(19):5-9. Yang Xiaobing,Li Xingyuan,Jin Xiaoming,et al.Analysis on converter transformer core saturation instability in UHVDC power transmission system from Yunnan to Guangdong[J].Power System Technology,2008,32(19):5-9(in Chinese).
[18]  穆子龙,李兴源,金小明,等.云广特高压直流输电系统中换流变压器铁心饱和不稳定分析[J].电网技术,2008,32(20):8-14. Mu Zilong,Li Xingyuan,Jin Xiaoming,et al.Research on harmonic instability problem at sending end of UHVDC power transmission project from Yunnan to Guangdong[J].Power System Technology,2008,32(20):8-14(in Chinese).

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