Two-terminal traveling wave fault location approach based on frequency dependent electrical parameters of HVAC cable transmission lines

Jin, Wanqiu; Wang, Dong; Gao, Houlei; Peng, Fang; Guo, Yifei; Gao, Mengyou; Wang, Jianwei

doi:10.1016/j.epsr.2024.110842

Electric Power Systems Research

2024

DOI: 10.1016/j.epsr.2024.110842

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Two-terminal traveling wave fault location approach based on frequency dependent electrical parameters of HVAC cable transmission lines

Wanqiu Jin,

Dong Wang,

Houlei Gao

et al.

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Research on the Carrier Characteristics of Power Cables Considering the Aging Status of Insulation and Semiconducting Layers

Yang,

Wang,

et al. 2024

Energies

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The 10 kV XPLE cable is widely used in highly cabled transmission and distribution networks. It is necessary to closely monitor the transient current, harmonic content, and electric field distribution of each layer of the insulation and semiconductive layers of the cable when they age and deteriorate, so as to promptly carry out circuit breaking treatment and prevent safety accidents. Considering the frequency sensitivity and dielectric sensitivity of the distributed Runit, Lunit, Gunit, and Cunit parameters of long cables, this paper quantitatively analyzes the frequency variation of 10 kV cable parameters under different aging states. Reconstructing the frequency variation process of typical electrical quantities through MATLAB PSCAD joint simulation, constructing fault circuits for cable insulation and semiconducting layers, obtaining transient currents in each layer of the cable under aging conditions, and conducting total harmonic distortion (THD) analysis to provide theoretical guidance for the subsequent monitoring and fault diagnosis of distribution cable status.

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Research on the Carrier Characteristics of Power Cables Considering the Aging Status of Insulation and Semiconducting Layers

Yang,

Wang,

et al. 2024

Energies

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Two-terminal traveling wave fault location approach based on frequency dependent electrical parameters of HVAC cable transmission lines

Cited by 1 publication

References 34 publications

Research on the Carrier Characteristics of Power Cables Considering the Aging Status of Insulation and Semiconducting Layers

Research on the Carrier Characteristics of Power Cables Considering the Aging Status of Insulation and Semiconducting Layers

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