| 直流线路导线截面及分裂方式对电场效应的影响研究 |
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| 引用本文： | 孙 涛,朱任翔,高 振,杨 林. 直流线路导线截面及分裂方式对电场效应的影响研究[J]. 电网与水力发电进展, 2010, 26(12): 38-41 |
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| 作者姓名： | 孙 涛 朱任翔 高 振 杨 林 |
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| 作者单位： | 国家电网公司建设部，北京 100031;国家电网公司建设部，北京 100031;西北电力设计院，西安 710075;西北电力设计院，西安 710075 |
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| 摘 要： | 通过分析直流输电线的电场效应,提出了选择直流导线的建议和原则。介绍了直流输电线的合成强度和离子流密度,并根据EPRI EL-2257法求出了不同导线在海拔1 000 m高度的合成强度和离子流密度;研究了它们和海拔高度的变化关系。通过分析,得出了选择直流输电线导线截面和分裂方式的一些原则,并提出了建议。
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| 关 键 词： | 电场效应 直流输电线 导线截面和分裂类型 合成 |
Influences of Conductor's Cross Section and Configuration of DC Transmission Lines on Electric Field |
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| SUN Tao,ZHU Ren-xiang,GAO Zhen and YANG Lin. Influences of Conductor's Cross Section and Configuration of DC Transmission Lines on Electric Field[J]. Advance of Power System & Hydroelectric Engineering, 2010, 26(12): 38-41 |
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| Authors: | SUN Tao ZHU Ren-xiang GAO Zhen YANG Lin |
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| Affiliation: | (Construction Dept.of State Grid Corporation of China,Beijing 100031,China; 2.Northwest Electric Power Design Institute,Xi＇an 710075,Shaanxi Province,China) |
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| Abstract: | This paper proposed some principles and suggestions on selecting conductors for the DC transmission line through analyzing the electric field of the line, introduced concepts of the resultant electric field and ion current density of the DC transmission line, and calculated the resultant electric field and ion current density of each different conductor at the height of 1 000 m according to EPRI EL-2257. The study also investigated the relation between the resultant electric field and ion current density and the altitude. Based on the above study, the paper obtained some principles in selecting the conductor's cross section and configuration for the DC transmission line |
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| Keywords: | electric field effect direct current transmission lines conductor＇s cross section and configuration resultant electric field ion current density |
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