大渡河枕头坝一级水电站离相封闭母线选型设计  

Type Selection Design of Isolated Phase Bus for The First Stage Hydropower Station of Zhentou Dam in Dadu River

作　　者：张光成 ZHANG Guangcheng(Guiyang Engineering Co. , Ltd. , PowerChina, Guiyang 550081, China)

机构地区：[1]中国电建集团贵阳勘测设计研究院有限公司,贵州贵阳550081

出　　处：《中国水能及电气化》2020年第9期11-15,共5页China Water Power & Electrification

摘　　要：大电流离相封闭母线广泛用于火力发电站、水电站及核电站,是从发电机开始传输电能的第一个关键环节。文章通过大渡河枕头坝一级水电站离相封闭母线选型设计的实际案例,分别从离线封闭母线的布置、主要设计参数选择、尺寸计算、热平衡计算及校核等方面,介绍了离相封闭母线选型设计的一般步骤及计算方法。本工程离相封闭母线运行良好,各项指标满足规程规范要求。Large current isolated phase bus is widely used in thermal power stations,hydropower stations and nuclear power plants.It is the first key link for electric energy transmission from generators.The general steps and calculation methods of isolated phase bus selection design is introduced in the paper respectively from the aspects of isolated phase bus layout,main design parameters selection,dimensioning,thermal balance calculation and check,etc.through the practical case of the isolated phase bus selection design for the first stage hydropower station of Zhentou Dam in Dadu River.The isolated phase bus of the project is operated well in the paper,and all indexes meet the requirements of regulations and specifications.

关 键 词：水电站 离相封闭母线 选型设计 热平衡计算 

分 类 号：TV734.2[水利工程—水利水电工程]