Author(s)

Jiahao Yin ¹, Lun Wang ¹, Runzhong Miao ¹

Affiliation(s)

¹ College of Electronics and Information Engineering, Changchun University of Science and Technology, Changchun, Jilin, 130022, China

Corresponding Author

Runzhong Miao

ABSTRACT

With the development of the city, the city network cable rate gradually increased, power cables in the transmission and distribution network in the status of the rising, how to ensure the stable operation of the cable has become a growing concern of the subject. In order to ensure the safe and stable operation of the cable, in its design and manufacture before the need to understand its electric field distribution between the head, so as to better ensure the stable operation of the cable. This paper is based on ANSYS software to build the calculation model of the electric field of cable intermediate joints. Systematically on the cold shrink type intermediate joint for stress cone control occasions under the electric field numerical simulation. The specific simulation process includes geometric configuration, area division, mesh division, boundary assignment, driving calculation and solving the electric field poles. The results of the simulation show that the cold shrinkable cable joints have a good effect of electric field stress evacuation and a good effect on the improvement of the electric field.

KEYWORDS

Cable, intermediate joint, electric field, finite element analysis

CITE THIS PAPER

Jiahao Yin, Lun Wang, Runzhong Miao, Simulation of Electric Field Distribution in Intermediate Cold-Shrink Joints of 110kV Cables. Journal of Electrotechnology, Electrical Engineering and Management (2023) Vol. 6: 21-28. DOI: http://dx.doi.org/10.23977/jeeem.2023.060503.

REFERENCES

[1] Zhuo Jinyu. Numerical analysis and simulation of stress cone electric field in power cable terminal structure [J]. Journal of Electrotechnology, 2000(2): 15-19.
[2] Zhu Jun. Research on 138kV high voltage insulating casing [D]. Shanghai Jiaotong University, 2014.
[3] Luo Junhua, Yang Liming, Shi Jikang et al. Review of power cable and test technology [J]. High Voltage Technology, 2004(S1): 81-82+98.
[4] Li Zhaohong. Simulation study of electro-thermal coupling and steady-state current-carrying capacity calculation of intermediate joints of high-voltage DC XLPE insulated cables [D]. South China University of Technology, 2016
[5] Li J. Application of finite element method in electromagnetic field analysis [D]. Chongqing Normal University, 2011
[6] Xu Siqin, Huang Xiangqian, Yang Song, Yu Bin, Gan Pengfei. Three-dimensional simulation analysis of electric field distribution at the middle joint of 110 kV cable with typical defects [J]. IOP Conference Series: Earth and Environmental Science, 2021, 647(1).
[7] Jun X , Guojun Lu , Zhijuan C, et al. Cause Analysis on an Accident of Intermediate Joint Breakdown of 10 kV Cables[J].Guangdong Electric Power, 2011.

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