A Domain Decomposition Charge Simulation Method for Calculation of Power-frequency Electric Field

被引：0
|
作者：
Li, Yongming [1 ]
Wang, Xiaowan [1 ]
Zhou, Yue [2 ]
He, Shengyu [1 ]
Xu, Luwen [3 ]
Zou, Anxin [3 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
[2] State Grid Zhejiang Elect Power Training Ctr, Hangzhou 3100015, Peoples R China
[3] State Grid Chongqing Elect Power Test & Res Inst, Chongqing 401123, Peoples R China
来源：
PROCEEDINGS OF 2019 IEEE 3RD INTERNATIONAL ELECTRICAL AND ENERGY CONFERENCE (CIEEC) | 2019年
关键词：
charge simulation method; overlapping domain decomposition method; iterative algorithm; power frequency electric field; transformer; HV INSULATORS;
D O I：
10.1109/CIEEC47146.2019.CIEEC-2019479
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The distribution of power frequency electric field caused by super-high level power transmission engineering is an important issue in evaluation of electromagnetic environment problem. The calculation of this field around power transmission facilities in complex environment using Charge Simulation Method (CSM) is sometimes out of action for the reason of not enough RAM. This paper put forward a domain decomposition CSM. This method divided the calculation region into several subdomains with some overlapped parts at the border first. Then CSM is applied to these subdomains respectively to get the distribution of simulation charges. The impact of the adjacent domain (boundary problem) is solved by using iterative method. Finally, the distribution of electric field in different domains can be calculated respectively with simulation charges obtained inside its own domain. This method is verified and it is applied to the analysis of power frequency electric field around 500kV transformers in 500kV substation. The results indicate that this method can speed up the calculation and decrease the requirement of RAM. This method provides an effective way to analyze the distribution of power frequency electric field with complex environment.
引用
收藏
页码：1312 / 1317
页数：6
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