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Evaluation Method of Cable Insulation Ageing State Based on PDC Multi Feature Weight
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Xiao MA1, Tao MA1, Xiaofeng WANG1, Kai ZHOU2, Bin FU1, Liang XIE1, Mengxian CHEN1, Songling HU1
Insulating Materials | 2022, 55(9) : 80 - 88
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Insulating Materials | 2022, 55(9): 80-88
• Insulation Technology •
Evaluation Method of Cable Insulation Ageing State Based on PDC Multi Feature Weight
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Xiao MA1, Tao MA1, Xiaofeng WANG1, Kai ZHOU2, Bin FU1, Liang XIE1, Mengxian CHEN1, Songling HU1
Affiliations
  • 1Shibei Electric Power Supply Branch of State Grid Chongqing Electric Power Company, Chongqing 401147, China
  • 2College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Published: 2022-09-20 doi: 10.16790/j.cnki.1009-9239.im.2022.09.014
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In this paper, an evaluation method based on polarization and depolarization currents (PDC) multi feature weight for cable insulation ageing state was proposed. Firstly, on the basis of PDC method, several ageing characteristic quantities reflecting insulation state were extracted. Secondly, the ordered binary comparison quantization method and principal component analysis method were used to determine the weight of feature quantity from subjective and objective aspects, and on the basis of DS (Dempster/Shafer) evidence theory, the subjective weight and objective weight were fused effectively to get the fusion weight. Thirdly, on the basis of the fuzzy comprehensive evaluation method, the effective evaluation of cable insulation ageing state was realized by combining with the fusion weight. Finally, the effectiveness of the evaluation method was verified by an example. The results show that the proposed method can evaluate the cable insulation ageing status effectively and accurately, which can provide a new direction for the evaluation of cable insulation ageing status.

ordered binary comparison quantization  /  principal component analysis  /  DS evidence theory  /  fusion weight  /  condition assessment
Xiao MA, Tao MA, Xiaofeng WANG, Kai ZHOU, Bin FU, Liang XIE, Mengxian CHEN, Songling HU. Evaluation Method of Cable Insulation Ageing State Based on PDC Multi Feature Weight[J]. Insulating Materials, 2022 , 55 (9) : 80 -88 . DOI: 10.16790/j.cnki.1009-9239.im.2022.09.014
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.09.014
  • Receive Date：2021-09-15
  • Online Date：2025-12-23
  • Published：2022-09-20
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History
  • Received：2021-09-15
  • Revised：2021-12-08
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Affiliations
    1Shibei Electric Power Supply Branch of State Grid Chongqing Electric Power Company, Chongqing 401147, China
    2College of Electrical Engineering, Sichuan University, Chengdu 610065, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.09.014
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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