Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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两路电源供电的三绕组变压器的设计

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两路电源供电的三绕组变压器的设计 

陈伯根 
福州天宇电体育下注平台股份有限公司,福建 福州 350012 
 

摘 要:给出了两路电源供电的梯级小水电站变压器的两种设计方案,分析了采用三绕组变压器作为主变的优点。对三绕组变压器的额定容量、电压比、联结组别、阻抗电压等关键参数的选取进行了介绍,并对三绕组变压器的结构和外部平面布置进行了改进。经实例验证,采用改进后的三绕组变压器的设计方案简化了水电站的整体布置,经济性和节能效果良好。
关键词:两路电源供电;三绕组变压器;结构设计
中图分类号:TM402 文献标识码:B 文章编号:1007-3175(2013)10-0027-04


Design of Duplicate Power Supply Three-Winding Transformer 

CHEN Bo-gen 
Fuzhou Tianyu Electric Co., Ltd, Fuzhou 350012, China 
 

Abstract: Two kinds of design plans were given for cascade small hydropower station’s transformer of duplicate power supply. Analysis was made to the advantages of adopting three-winding transformer as main transformer. Introduction was made to the selection of rated capacity, voltage ratio, vector group, impedance voltage etc key parameters for three-winding transformer, and improvement was made to structure and external plane layout of three-winding transformer. After verification of actual examples, the design plan adopting improved three-winding transformer has simplified hydropower station’s integrated layout, and economy and energy saving effect are fine.
      Key words: duplicate power supply; three-winding transformer; structure design