Evaluation Method of Insulation Paper Deterioration Status with Mechanical-Thermal Synergy Based on Improved TOPSIS Model

被引：0
|
作者：
Jiang Y. [1 ]
Yu Y. [1 ]
Li C. [1 ]
机构：
[1] College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 06期
关键词：
Improved technique for order preference by similarity to an ideal solution (TOPSIS); Mechanical-thermal synergy; Multi-feature fusion; Principal component analysis; Tensile strength;
D O I：
10.19595/j.cnki.1000-6753.tces.201187
中图分类号：
学科分类号：
摘要：
In this paper, the principal component analysis (PCA) method was used to fuse multiple feature quantities to determine the comprehensive evaluation index according to the principal component, and the positive and negative ideal values are obtained by combining test data. Therefore, an improved traditional technique for order preference by similarity to ideal solution (TOPSIS) model was proposed, which can overcome the randomness caused by human factors when setting the weight matrix and obtaining the positive and negative ideal values. The effectiveness of the proposed model was verified by the example of evaluating the aging state of insulation paper for converter transformers under the combined vibration and temperature conditions. Firstly, combined with the accelerated mechanical-thermal aging experiments of the insulation paper, the mechanical and electrical properties of the insulation paper and the furfural content, the improved TOPSIS method fuses the multi-feature quantities that characterize the aging of insulation paper, such as degree of polymerization, tensile strength, furfural content and dielectric dissipation factor at characteristic frequencies. Secondly, the quantitative expression between the comprehensive evaluation index and the tensile strength of insulation paper was obtained, and the corresponding tensile strengths when the insulation performance was good and severely deteriorated were taken as the positive and negative ideal values, respectively. Finally, combined with the tensile strength loss rate of insulation paper, the principle of setting the proximity interval was given, and the quantitative evaluation of the aging state of insulation paper was realized. The results show that the improved TOPSIS method not only includes the multiple feature quantities that can characterize the aging state of insulation paper, but also overcomes the shortcomings of the traditional TOPSIS method, which can be used to accurately evaluate the aging state of insulation paper under the complex mechanical-thermal condition. © 2022, Electrical Technology Press Co. Ltd. All right reserved.
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页码：1572 / 1582
页数：10
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共 27 条
  • [1] Zou Yang, Lin Chaoqun, Ye Rong, Et al., Quantitative relationship between the moisture content of oil-impregnated paper and the poles of the polarization branch of the hybrid equivalent model, Transa-ctions of China Electrotechnical Society, 36, 20, pp. 4359-4370, (2021)
  • [2] Zou Yang, He Qianling, Cai Jinding, Et al., Com-prehensive evaluation of transformer oil-paper state based on combined weight-double base point method, Transactions of China Electrotechnical Society, 34, 20, pp. 4400-4408, (2019)
  • [3] Fan Xianhao, Liu Jiefeng, Zhang Yiyi, Et al., Aging evaluation of transformer oil-immersed insulation combining frequency domain spectroscopy and support vector machine, Transactions of China Electrotechnical Society, 36, 10, pp. 2161-2168, (2021)
  • [4] Yang Feng, Tang Chao, Zhou Qu, Et al., Analyzing the moisture state of oil-paper insulation system using an equivalent circuital model, Transactions of China Electrotechnical Society, 35, 21, pp. 4586-4595, (2020)
  • [5] Cui Yanjie, Ji Shengchang, Zhu Lingyu, Et al., Effect of mechanical stress on partial discharge of oil-impregnated pressboard, Transactions of China Electrotechnical Society, 36, 12, pp. 2659-2666, (2021)
  • [6] Zhou Yuanxiang, Dai Chao, Huang Meng, Et al., Effect of DC electric field on space charge characteristics of oil-paper insulation in electrical aging process, High Voltage Engineering, 42, 12, pp. 3861-3867, (2016)
  • [7] Li Changyun, Wang Zheng, Experiments research on the deterioration of inverter transformer insulation paper mechanical properties with mechanical-thermal synergy, Proceedings of the CSEE, 39, 2, pp. 612-620, (2019)
  • [8] Li Changyun, Hao Aidong, Lou Yu, Status and progress of research on transformer vibration characteristics with DC bias, Electric Power Auto-mation Equipment, 38, 6, pp. 215-223, (2018)
  • [9] Li Changyun, Liu Yakui, Modified Jiles-Atherton model of transformer iron core magnetization characteristics with DC bias, Transactions of China Electrotechnical Society, 32, 19, pp. 192-200, (2017)
  • [10] Tefera K, Tripathy P, Adda R., Electromagnetic and mechanical stress analysis of wind-driven synchronous reluctance generator, CES Transactions on Elec-trical Machines and Systems, 3, 1, pp. 107-114, (2019)
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