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The Coupling Fields Characteristics of Cable Joints and Application in the Evaluation of Crimping Process Defects

Author

Listed:
  • Fan Yang

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Kai Liu

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Peng Cheng

    (Chengdu Electrical Power Department, SiChuan Electrical Power Company, Chengdu 610041, China)

  • Shaohua Wang

    (State Grid Zhejiang Electric Power Company, Hangzhou 310008, China)

  • Xiaoyu Wang

    (State Grid Zhejiang Electric Power Company, Hangzhou 310008, China)

  • Bing Gao

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Yalin Fang

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Rong Xia

    (The Wuhan Branch of China Electric Power Research Institute, Wuhan 430071, China)

  • Irfan Ullah

    (State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

Abstract

The internal defects of cable joints always accelerate the deterioration of insulation, until finally accidents can arise due to the explosion of the joints. The formation process of this damage often involves changes in the electromagnetic, temperature and stress distribution of the cable joint, therefore, it is necessary to analyze the electromagnetic-thermal-mechanical distribution of cable joints. Aiming at solving this problem, the paper sets up a 3-D electromagnetic-thermal-mechanical coupling model of cable joints under crimping process defects. Based on the model, the electromagnetic losses distribution, temperature distribution and stress distribution of a cable joint and body are calculated. Then, the coupling fields characteristics in different contact coefficient k , ambient temperature T amb and load current I were analyzed, and according to the thermal-mechanical characteristics of a cable joint under internal defects, the temperature difference Δ T f and stress difference Δ σ f of cable surface are applied to evaluate the internal cable joint defects. Finally, a simplified model of the cable joint is set up to verify the accuracy of the coupling field model proposed in this paper, which indicates that the model can be used to analyze the coupling fields characteristics of cable joints and the method can be applied to evaluate crimping process defects of cable joints.

Suggested Citation

  • Fan Yang & Kai Liu & Peng Cheng & Shaohua Wang & Xiaoyu Wang & Bing Gao & Yalin Fang & Rong Xia & Irfan Ullah, 2016. "The Coupling Fields Characteristics of Cable Joints and Application in the Evaluation of Crimping Process Defects," Energies, MDPI, vol. 9(11), pages 1-19, November.
  • Handle: RePEc:gam:jeners:v:9:y:2016:i:11:p:932-:d:82496
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    References listed on IDEAS

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    1. Jintae Cho & Jae-Han Kim & Hak-Ju Lee & Ju-Yong Kim & Il-Keun Song & Joon-Ho Choi, 2014. "Development and Improvement of an Intelligent Cable Monitoring System for Underground Distribution Networks Using Distributed Temperature Sensing," Energies, MDPI, vol. 7(2), pages 1-19, February.
    2. Roberto Benato & Sebastian Dambone Sessa & Fabio Guglielmi & Ertugrul Partal & Nasser Tleis, 2014. "Ground Return Current Behaviour in High Voltage Alternating Current Insulated Cables," Energies, MDPI, vol. 7(12), pages 1-16, December.
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    Cited by:

    1. Pengyu Wang & Gang Liu & Hui Ma & Yigang Liu & Tao Xu, 2017. "Investigation of the Ampacity of a Prefabricated Straight-Through Joint of High Voltage Cable," Energies, MDPI, vol. 10(12), pages 1-17, December.
    2. Fan Yang & Ningxi Zhu & Gang Liu & Hui Ma & Xiaoyu Wei & Chuanliang Hu & Zhenhua Wang & Jiasheng Huang, 2018. "A New Method for Determining the Connection Resistance of the Compression Connector in Cable Joint," Energies, MDPI, vol. 11(7), pages 1-19, June.
    3. Jiahong He & Kang He & Longfei Cui, 2019. "Charge-Simulation-Based Electric Field Analysis and Electrical Tree Propagation Model with Defects in 10 kV XLPE Cable Joint," Energies, MDPI, vol. 12(23), pages 1-22, November.
    4. Tommaso Bragatto & Alberto Cerretti & Luigi D’Orazio & Fabio Massimo Gatta & Alberto Geri & Marco Maccioni, 2019. "Thermal Effects of Ground Faults on MV Joints and Cables," Energies, MDPI, vol. 12(18), pages 1-15, September.
    5. Jiangjun Ruan & Qinghua Zhan & Liezheng Tang & Ke Tang, 2018. "Real-Time Temperature Estimation of Three-Core Medium-Voltage Cable Joint Based on Support Vector Regression," Energies, MDPI, vol. 11(6), pages 1-18, May.
    6. Luca Barbieri & Andrea Villa & Roberto Malgesini & Daniele Palladini & Christian Laurano, 2021. "An Innovative Sensor for Cable Joint Monitoring and Partial Discharge Localization," Energies, MDPI, vol. 14(14), pages 1-12, July.

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