CAJ | 학술논문

合宁铁路在全路首次采用四电系统集成模式，在系统集成技术创新方面取得了重大突破。本工程牵引供电系统采用了AT供电方式、全补偿弹性链形悬挂、220 kV AT供电方式三相Vv接线牵引变压器等关键技术，具有先进、优化、创新的设计理念。文章结合项目的供电方案、设备选用方案、继电保护方案、所址方案等具体情况，对牵引变电所、分区所、AT所的主接线方案进行了比选，分析了各方案的优缺点，确定了适合本项目特点的主接线方案。对项目设计思路及特点进行了总结，为今后时速300 km以下AT供电方式牵引变电系统设计提供了技术支持，其主要设计方案在东南沿海铁路、成绵乐城际、南广铁路、广西沿海铁路、长昆客运专线、贵广客运专线、西成客运专线、成渝客运专线、云桂铁路等长大干线中得到了广泛应用。
합저철로재전로수차채용사전계통집성모식，재계통집성기술창신방면취득료중대돌파。본공정견인공전계통채용료AT공전방식、전보상탄성련형현괘、220 kV AT공전방식삼상Vv접선견인변압기등관건기술，구유선진、우화、창신적설계이념。문장결합항목적공전방안、설비선용방안、계전보호방안、소지방안등구체정황，대견인변전소、분구소、AT소적주접선방안진행료비선，분석료각방안적우결점，학정료괄합본항목특점적주접선방안。대항목설계사로급특점진행료총결，위금후시속300 km이하AT공전방식견인변전계통설계제공료기술지지，기주요설계방안재동남연해철로、성면악성제、남엄철로、엄서연해철로、장곤객운전선、귀엄객운전선、서성객운전선、성투객운전선、운계철로등장대간선중득도료엄범응용。
Four-Electric Integration (railway communication,signaling,power supply and traction power supply engi-neering)is applied for the first time for Hening Railway in China,and achieved great breakthrough in the innovation of system integration technique.A series of key technologies including AT power supply mode,all tensioned elastic cate-nary suspension,220 kV AT three phase traction transformer with Vv connection are used for traction power supply sys-tem of the project,which are characterized by advanced,optimized and innovated design concept.With combination with the power supply scheme,equipment selection scheme,relay protection scheme and substation location scheme,in this paper,a comparison is made on all main wiring schemes of traction substations,section post and AT stations and a detailed analysis is made on the advantages and disadvantages of each scheme.According to comparison and analysis re-sults of the schemes,a main wiring scheme suitable for the characteristics of the project is determined.Design thought and characteristics of the project are summarized in this paper,which may provide technical support for design of traction substation system with AT power supply mode less than 300 km/h in the future.The main design scheme has been wide-ly used for such long trunk railways as southeast coastal railway,Chengdu-Mianyang-Leshan intercity railway,Nanning-Guangzhou railway,Guangxi coastal railway,Changsha-Kunming passenger dedicated railway,Guiyang-Guangzhou pas-senger dedicated railway,Xi’an-Chengdu passenger dedicated railway,Chengdu-Chongqing passenger dedicated railway and Yunnan-Guangxi railway.