AT供电方式及变电所接线方式优选
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摘要
铁路运输是我国目前最主要的交通运输方式,我国目前正在大规模地进行铁路建设,到2020年全国铁路营业里程达到10万公里。为满足国民经济的发展和人民生活水平的提高对铁路运输提出的新要求,高速、重载铁路已成为我国铁路发展的必然趋势。
牵引供电系统是影响实现高速、重载运输的主要因素之一,牵引网的供电方式及合理的牵引变压器接线形式决定了牵引供电系统的供电质量和效果。AT供电方式因自身的技术性优势而成为适合于高速、重载等大电流机车运行的首选供电方式。
文章首先以55kV变电所出口设馈线AT的AT供电方式为例对单线AT供电网、末端并联复线AT供电网及全并联复线AT供电网进行了电气分析,证明全并联复线AT供电网更具有优越性,其次对日本模式、法国模式、新型模式及27.5kV供电的几种AT供电方式及适合于AT供电方式的几种典型牵引变压器接线方式进行研究,得出新型模式AT供电方式及YNvd接线牵引变压器具有较好的电气性能。
最后,利用MATLAB/Simulink里面的仿真模块搭建了几种适合于AT供电方式的典型牵引变压器仿真模型、全并联复线AT牵引网模型及日本模式,法国模式,新型模式的全并联复线AT供电系统的仿真模型,并在此仿真模型的基础上分别进行了在相同条件下正常及故障状态的仿真。经过对仿真结果的分析,得出新型模式的AT供电系统具有优越的电气性能。
综合各变压器接线形式及AT供电方式的技术性和经济性,可知由YNvd接线平衡变压器和新型模式AT供电方式组成的全并联复线AT供电系统是一种性能优越的AT供电系统。
Railway transportation is the main transportation way in china.Abundances of new railways are in constructing at current, the total railway will come to 100 thousands in 2010.For the sake of satisfying the new requirement brought forward by the development of chinese economy and people's living standard, high speed train and heavy-haul train have become the electric railway necessity tend.
Traction power supply system is one of the main factors in realizing high speed and heavy-haul railway transportation,the style of power supply for traction network and the transformer wiring type decide the power supply's quality and effect of the traction power supply system. Because of the several inherent technic advantages of AT(Auto-Transformer) power supply, it has become the first choose for high speed train and heavy-haul train.
By taking 55kV AT power supply which is characterized by setting up Auto-transformer at the export of substation for example, the paper analyzes the electrical performance of single-track AT power supply network,terminal-parallel double line AT power supply network and all-parallel double line AT power supply network. Also,the thesis proves that all-parallel AT power supply network has more superiorities.Then, Japan-model AT power supply,France-model AT power supply,new model AT power supply besides several typical traction transformer wiring types suited for AT power supply system are studyed. A conclution that the new mode AT power supply and YNvd connection traction transformer have the best electrical performance is gotten.
The simulation models builded based on the Matlab/Simulink software platform as follows:several typical traction transformer simulation models which suit for AT power supply, all-parallel double line AT power supply network simulation model, and Japan-model AT power supply system simulation model,France-model AT power supply system simulation model,new model AT power supply system simulation models. Basing on the simulation models builided above, on the same condition a simulation is carried out in normal and fault state separately.The simulation results obtained demonstrates that the new model AT power supply has superior electrical performance.
Summing up all transformer wiring types and AT power supply's technical and economic performance,we know that the all-parallel double line AT power supply system, consisted by YNvd wiring traction transformer and new model AT power supply, has good performance.
牵引供电系统是影响实现高速、重载运输的主要因素之一,牵引网的供电方式及合理的牵引变压器接线形式决定了牵引供电系统的供电质量和效果。AT供电方式因自身的技术性优势而成为适合于高速、重载等大电流机车运行的首选供电方式。
文章首先以55kV变电所出口设馈线AT的AT供电方式为例对单线AT供电网、末端并联复线AT供电网及全并联复线AT供电网进行了电气分析,证明全并联复线AT供电网更具有优越性,其次对日本模式、法国模式、新型模式及27.5kV供电的几种AT供电方式及适合于AT供电方式的几种典型牵引变压器接线方式进行研究,得出新型模式AT供电方式及YNvd接线牵引变压器具有较好的电气性能。
最后,利用MATLAB/Simulink里面的仿真模块搭建了几种适合于AT供电方式的典型牵引变压器仿真模型、全并联复线AT牵引网模型及日本模式,法国模式,新型模式的全并联复线AT供电系统的仿真模型,并在此仿真模型的基础上分别进行了在相同条件下正常及故障状态的仿真。经过对仿真结果的分析,得出新型模式的AT供电系统具有优越的电气性能。
综合各变压器接线形式及AT供电方式的技术性和经济性,可知由YNvd接线平衡变压器和新型模式AT供电方式组成的全并联复线AT供电系统是一种性能优越的AT供电系统。
Railway transportation is the main transportation way in china.Abundances of new railways are in constructing at current, the total railway will come to 100 thousands in 2010.For the sake of satisfying the new requirement brought forward by the development of chinese economy and people's living standard, high speed train and heavy-haul train have become the electric railway necessity tend.
Traction power supply system is one of the main factors in realizing high speed and heavy-haul railway transportation,the style of power supply for traction network and the transformer wiring type decide the power supply's quality and effect of the traction power supply system. Because of the several inherent technic advantages of AT(Auto-Transformer) power supply, it has become the first choose for high speed train and heavy-haul train.
By taking 55kV AT power supply which is characterized by setting up Auto-transformer at the export of substation for example, the paper analyzes the electrical performance of single-track AT power supply network,terminal-parallel double line AT power supply network and all-parallel double line AT power supply network. Also,the thesis proves that all-parallel AT power supply network has more superiorities.Then, Japan-model AT power supply,France-model AT power supply,new model AT power supply besides several typical traction transformer wiring types suited for AT power supply system are studyed. A conclution that the new mode AT power supply and YNvd connection traction transformer have the best electrical performance is gotten.
The simulation models builded based on the Matlab/Simulink software platform as follows:several typical traction transformer simulation models which suit for AT power supply, all-parallel double line AT power supply network simulation model, and Japan-model AT power supply system simulation model,France-model AT power supply system simulation model,new model AT power supply system simulation models. Basing on the simulation models builided above, on the same condition a simulation is carried out in normal and fault state separately.The simulation results obtained demonstrates that the new model AT power supply has superior electrical performance.
Summing up all transformer wiring types and AT power supply's technical and economic performance,we know that the all-parallel double line AT power supply system, consisted by YNvd wiring traction transformer and new model AT power supply, has good performance.
引文
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[2]李群湛、贺建闽编著.牵引供电系统分析[M].西南交通大学出版社,2007
[3]李自良、陈巍、党平等.电气化铁道自耦变压器供电方式的原理分析[J].电气化铁道,1998
[4]AT供电方式的发展[J].铁道工程学报,1998(02)
[5]冯金柱.中国电气化铁路50年[J].铁道知识.2008
[6]缪耀珊.AT牵引变电所结线方式技术经济分析[J].铁道学报,1986第4期：18-25
[7]俞展猷.日本与欧洲高速列车技术的发展和现状[J].铁道机车车辆,2003(1)
[8]孔祥安.TGV--法国高速铁路[M].西南交通大学出版社,1997
[9]Yoshiyasu HAGZWARA,Masayuki UENO,Aduance in drive Control Technology and speeding up of Shinkanse EMUS,Japanese RailwayEngineering,2002(149):6-11
[10]Yasutaka MOCHIZUKI,West Japan Railway Company Tackling Environmental Problems, Japanese Railway Engineering,2002(14):10-12
[11]C.Courtois,Why the 2*25kV alternative.IEE Colloquium on 50kV autotransformer tractions supply system-French Experience(part 4),NoV.1993:1-4
[12]B.Schwob,Economic justification of the TGV and development of the high-speed railway system,International Conference on Main Line Railway Electrification,1989:7
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[14]高家驹、王文仓.高速铁路与广深准高速概论[J].中国铁道出版社,1994
[15]冯金柱.广深准高速铁路电气化新技术[J].铁道知识,2005(05)
[16]辛成山.关于省掉变电所AT的讨论[J].电气化铁道,1998第1期
[17]辛成山.27.5kV供电的AT供电系统性能分析[J].电气化铁道,2002第2期
[18]辛成山.27.5kVAT供电系统短路电流分析[J].电气化铁道,2002第4期
[19]刘福生、左辰.AT供电系统牵引变压器的选型分析[J].电工技术学报,1987第4期
[20]杨振龙.V/X接线牵引变压器的研究和应用[J].电气化铁道,2004(4)
[21]楚振宇.牵引变压器接线形式的比较[J].电气化铁道，2005
[22]吴长旭.电气化铁路牵引供电主变压器的选择[J].中国建设信息,2008
[23]汪自成.高速铁路牵引变电所接线分析[J].电气化铁道,2005
[24]谭秀炳编.交流电气化铁道牵引供电系统[M].第二版.西南交通大学出版社,2007
[25]贺威俊.电力牵引供电系统技术及装备[M].西南交通大学出版社,1998
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[27]喻奇.客运专线牵引供电段系统电气模型的研究[D].西南交通大学硕士学位论文.2009
[28]王继芳.全并联AT供电网故障测距研究[D].西南交通大学硕士学位论文.2006
[29]陈朝珍、郭明杰.全并联AT供电网故障测距研究[J].电气化铁道,2006第6期
[30]石瑞霞.牵引网故障数值仿真系统[D].西南交通大学硕士学位论文,2007
[31]王正林、刘明编著.精通Matlab7[M].电子工业出版社,2006
[32]E.piol,L.Rouco,A.Fernandez.A reduced representation of 2×25kV electrical systems for high-speed railways.Proceedings of the 2003 IEEE/ASME Joint Rail Conference.2003(4):199-205
[33]Seoung Hyuk Lee,In Soo Bae,Chang Ho Jung,Jin-O Kim.A study on systemstability improvement of distribution system with high speed electric railway using STATCOM. Transmission and Distribution Conference and Rxposition,2003 IEEE PES Volume 1, Sept 2003:61-67
[34]R.Cella,GiuseppeGiangaspero,A.Mariscotti,A.Montepagano,P.Pozzobon,M.Ruscelli, M. Vanti.Measurement of AT electric railway ε-ystem currents at power-supply frequency an validation of a multiconductor transimission-line model. IEEE Transactions on Power Delivery,Volume 21,Issue 3,July 2006:1721-1726
[35]Ibrahim Senol,Halak Gorgun,M.Gurkan Aydeniz,General Comparison of The Electrical Transportation Systems That Are Fed With 1 x25kV or 2x25kV and Expectations From These System.9th Mediterranean Electro Technical Conference, Mediterranean,Israel, 1998:885-887
[36]S. Sokolov; M. Mushkin; V. Zhivs; Sovier Train for High-speed Service, Inter-national Rail-way Journal, August 1974 page(s)21-34
[37]A.Msriscotti,P.Pozzobon,M.Vanti.Distribution of the traction return current in AT Electric railway systems.IEEE Transcation on power Delivery, Volume 20,Issue3,July 2005:2119-2128
[38]N.Golovanov,GC.Lazaroiu,M.Roseia,D.Aninelli,Voltage Unblance Vulnerability Areas in power system supplying High-speed Railway. IEEE Power Engineering Society General Meeting,2005:1-6
[39]辛成山.AT供电系统等值电路推导方法[J].电气化铁道,1999
[40]徐红红、张雷.AT牵引供电方式的分析及应用[J].铁道运营技术,2007(04)
[41]王猛.AT所全并联供电方式牵引网电压损失分析[J].电铁信息网讯,2005
[42]毋文霞、侯波.高速铁路接触网供电技术探讨[J].甘肃科技,2008(13)
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