750kV输变电工程零起升流和升压试验分析  

Current Rising and Voltage Rising Test Analysis of 750 kV Transmission & Distribution Project

作　　者：杨万开[1] 史可琴 范越 万筱钟 牛拴宝 印永华[1] 

机构地区：[1]中国电力科学研究院,北京100085 [2]西北电网有限公司,西安710048

出　　处：《电网与水力发电进展》2008年第2期3-8,共6页

摘　　要：为向后续750 kV超高压工程建设和百万伏级特高压工程建设提供参考和借鉴,有必要对750 kV示范工程建设经验进行总结和分析。简述了国家电网公司750 kV输变电示范工程小系统试验中的零起升流和零起升压试验及结果,对750 kV官亭站和兰州东站主变零起升流试验和零起升压试验结果进行了分析,内容包括:750 kV主变短路阻抗,主变空载伏安特性,氧化锌避雷器泄漏电流和750 kV高抗伏安特性测试以及试验过程中二次回路校核,并与设计值进行了对比,给出了试验结论。Building China northwest 750 kV transmission ＆ distribution project offers valuable experience for the extending 750 kV and incoming 1 000 kV transmission projects. This paper briefly introduces current rising test and voltage rising test in the small system test of the project, and provides the test results. It analyzes the results of the tests taken on the 750 kV power transformers respectively in Guanting and Lanzhoudong connected with Gongboxia Hydropower Station, covering the 750 kV transformer short circuit impedance; the 750 kV transformer unload voltage-ampere performance, ZnO arrester leakage current, the 750 kV shunt reactor voltage-ampere performance and verification of the secondary circuit during system commissioning test. Conclusions are given to the test based upon comparison with the design specification of the project.

关 键 词：750 KV示范工程 小系统试验 试验结果分析 电力系统 

分 类 号：TM733[电气工程—电力系统及自动化]