电工技术学报  2015, Vol. 30 Issue (10): 7-13    DOI:
电工理论与新技术 |
特高压直流输电线路屏蔽环三维有限场计算方法与策略
袁建生1, 鞠勇2, 邹军1, 陆家榆2
1. 清华大学电机系电力系统国家重点实验室 北京 100084;
2. 中国电力科学研究院高压所 北京 100085
Methodology and Strategy on the Calculation of 3D Electric Field on Shielding Rings of UHV DC Transmission Lines
Yuan Jiansheng1, Ju Yong2, Zou Jun1, Lu Jiayu2
1. Tsinghua University Beijing 100084;
2. China Electric Power Research Institute 100085 China
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摘要 论述了大空间中计算小电极表面电场强度的方法;阐述了计算结果绝对数值的低准确性与不可靠性,及获得相对结果的必要性与工程实用性;给出了一种“新”“旧”结构场强比较策略,以利用电场数值计算提供有价值的实用结果,解决实际工程问题。针对特高压直流输电试验线路电压等级提升需要,采用获得相对结果的策略,利用ANSYS软件与边界条件修正方法,对管母线和耐张塔处屏蔽环的电场进行计算,给出了可以满足电压提升要求的屏蔽环结构。
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关键词 输电线路屏蔽环三维电场有限元    
Abstract:The methodology for calculating the electric field on the surface of small conductors in large region is presented. It is addressed that the low accuracy and the low reliability of the calculation values, and the necessity and the practicability of the comparable results. A strategy of comparing the current and the former results is proposed to make the results be more usable in the application. The electric field on the shielding rings is calculated by ANSYS, and the design of the rings is made by the comparing strategy.
Key wordsTransmission line    shielding rings    3D electric field    finite element method   
收稿日期: 2013-10-10      出版日期: 2015-06-29
PACS: TM15  
作者简介: 袁建生,男,1959年生,博士,教授,研究方向为电磁场数值计算及其应用。鞠勇,男,1977年生,博士研究生,高级工程师,研究方向为电力系统电磁环境。
引用本文:   
袁建生, 鞠勇, 邹军, 陆家榆. 特高压直流输电线路屏蔽环三维有限场计算方法与策略[J]. 电工技术学报, 2015, 30(10): 7-13. Yuan Jiansheng, Ju Yong, Zou Jun, Lu Jiayu. Methodology and Strategy on the Calculation of 3D Electric Field on Shielding Rings of UHV DC Transmission Lines. Transactions of China Electrotechnical Society, 2015, 30(10): 7-13.
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