Analysis on Key Factors of Primary and Secondary Integration of Distribution Switch Based on AHP-fuzzy Comprehensive Evaluation

doi:10.11985/2022.02.021

Abstract

Abstract:

With the widespread application of intelligent power distribution equipment, the analysis on key factors of the integration of circuit breaker primary and secondary equipment is urgent requirement of the admittance testing. In order to screen for influence factors of primary and secondary integration of distribution switch, the analytic hierarchy process-fuzzy comprehensive evaluation method is applied to establish a comprehensive evaluation model. The combined weighting method is used to obtain the comprehensive weight of each indicator, which effectively avoids the drawbacks caused by the single weight determination method. Then, the fuzzy evaluation algorithm is introduced into the comprehensive evaluation model of the primary and secondary fusion of the distribution switch to realize the comprehensive evaluation of the primary and secondary fusion of the distribution switch. The evaluation results and the analysis show that electromagnetic interference plays a leading role in the primary and secondary fusion equipment of distribution switches.

Key words: Primary and secondary integration, analytic hierarchy process, fuzzy comprehensive evaluation method

CLC Number:

TM561

ZHANG Kai, FENG Guang, XU Mingming, GE Guowei. Analysis on Key Factors of Primary and Secondary Integration of Distribution Switch Based on AHP-fuzzy Comprehensive Evaluation[J]. Journal of Electrical Engineering, 2022, 17(2): 187-193.

Figures/Tables 8

References 16

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标度	含义(Δ为两因素分之差)
1	两个因素相比,同等重要(Δ=0)
2	0<Δ<0.15
3	两个因素相比,前者比后者稍微重要(0.15≤Δ<0.3)
4	0.3≤Δ<0.4
5	两个因素相比,前者比后者明显重要(0.4≤Δ<0.5)
6	0.5≤Δ<0.6
7	两个因素相比,前者比后者强烈重要(0.6≤Δ<0.7)
8	0.7≤Δ<0.8
9	两个因素相比,前者比后者极端重要(0.8≤Δ)
倒数	若因素i与j比较的判断值为S_ij,则j与i比较的判断值为1/S_ij

权重/指标	B₁	B₂	B₃	B₄
主观权重	0.219 8	0.103 4	0.606 6	0.070 3
客观权重	0.224 5	0.154 6	0.598 8	0.022 1
综合权重	0.222 2	0.129 0	0.602 7	0.046 2

权重/指标	C₁	C₂	C₃
主观权重	0.634 9	0.287 2	0.077 9
客观权重	0.581 2	0.304 5	0.114 3
综合权重	0.608 1	0.295 8	0.096 1

权重/指标	C₄	C₅
主观权重	0.875	0.125
客观权重	0.800	0.200
综合权重	0.837 5	0.162 5

权重/指标	C₆	C₇	C₈
主观权重	0.630 1	0.218 4	0.151 5
客观权重	0.607 7	0.224 5	0.167 8
综合权重	0.618 9	0.221 5	0.159 6