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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/3415

Title: 500kV复合绝缘子并联保护间隙研究
Other Titles: Study on the use of parrallel gaps for composite insulators on 500kV transmission lines
Authors: 俞俊杰
Keywords: 并联间隙
parallel gap
electric-field calculation
lightning impulse
long air arc
visible corona
Issue Date: 13-Jun-2011
Abstract: 近年来,我国电网发展迅速,网架结构不断增强,加上微机化继电保护、SF6开关和重合闸装置的广泛使用,重合闸成功率提高,传统的防雷措施暴露出它过于保守且不够经济的缺点。并联间隙防雷方式,因其装置简单、安装方便、经济性好等优点,正逐渐受到国内电力工作者的重视。设计出适合我国500kV架空输电线路复合绝缘子串的并联间隙,对于降低雷击事故率、提高线路可靠性具有重要的工程意义。首先,本文讨论了形状、材料、尺寸及间隙距离等并联间隙设计需要重点考虑的四个方面,分析国内外现有并联间隙型式的优缺点,设计制作出四类样品。其
In recent years, with the widespread use of reclosing devices, traditional lightning protection measures reveal their shortcomings: too conservative, uneconomical and so on. Because of its simplicity, easy to install and economic performance advantages, p
Description: 24
URI: http://hdl.handle.net/123456789/3415
Source URI: http://oaps.lib.tsinghua.edu.cn/handle/123456789/2222
Source Fulltext: http://oaps.lib.tsinghua.edu.cn/bitstream/123456789/2222/1/2007010887.pdf
Appears in Collections:Outstanding Thesis of Undergraduate Students 本科生优秀毕业论文(2011)

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