Electric Field and Thermal Analysis of 132 kV Ceramic Oil-Filled Cable Sealing Ends

被引：11
|
作者：
Zachariades, Christos [1 ]
Peesapati, Vidyadhar [2 ]
Gardner, Richard [3 ]
Cwikowski, Oliver [4 ]
机构：
[1] Univ Liverpool, Elect Energy, Liverpool L69 3BX, Merseyside, England
[2] Univ Manchester, Area High Voltage Syst Asset Management & Condit, Manchester M13 9PL, Lancs, England
[3] Univ Manchester, Natl Grid Power Syst Res Ctr, Manchester M13 9PL, Lancs, England
[4] Natl Grid Plc, Warwick CV34 6DA, England
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2021年 / 36卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Cable sealing end (CSE); cable termination; condition monitoring; electric field; finite element analysis (FEA); simulation; thermal imaging;
D O I：
10.1109/TPWRD.2020.2977728
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper reports on a method combining the use of finite element simulations and external measurements to provide preliminary condition diagnosis of oil-filled cable sealing ends (CSEs) without requiring downtime. Good agreement has been obtained between the predictions from the electric field and thermal simulations and the measurements on a 132 kV oil-filled CSE. The electrostatic computation combined with electric field measurements can provide information regarding the electric field distribution inside the CSE and help in identifying potential issues with the CSE design, the materials or the cable termination process. The thermal computation combined with thermal imaging can reveal potential problems, such as high resistance connection to the busbar, and provide information regarding the cooling efficiency of the liquid dielectric. The method presented can provide the starting point for prioritizing maintenance operations on CSEs.
引用
收藏
页码：311 / 319
页数：9
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