期刊
ENERGIES
卷 14, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/en14227692
关键词
modeling; monitoring; parameter estimation; partial discharges; power cable insulation; transmission lines
资金
- Fundamental Research Funds for the Central Universities [2018MS081]
This paper summarizes the PD mechanism and models used for PD analysis in power cables, discusses PD detection and analysis methods, and explores factors that affect PD characteristics. Challenges of PD detection and analysis along a power cable are proposed based on a comprehensive review.
Partial discharge (PD) detection and analysis plays a crucial role for acceptance testing and condition monitoring of power cables. Various aspects are related to PD in power cables from theory to practice. This paper first summarizes the PD mechanism and models used for PD analysis in power cables. Afterwards, PD detection is addressed in the aspects of off-line test, on-line test, and sensors. PD analysis is discussed in detail. Specifically, related quantities and algorithms for PD analysis are outlined. PD characteristics with affecting factors, e.g., dielectric type, load, and applied voltage are discussed. Experience on PD development trend with measurements in field is analyzed. Based on the comprehensive review, challenges of PD detection and analysis along a power cable are proposed.
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