[1]王泉,周云海,姚俊伟,等.基于组合赋权和理想区间法的真空断路器状态评估[J].高压电器,2019,55(04):39-45.[doi:10.13296/j.1001-1609.hva.2019.04.006]
 WANG Quan,ZHOU Yunhai,YAO Junwei,et al.State Evaluation of Vacuum Circuit Breaker Based on Combination Weighting and Ideal Interval Method[J].High Voltage Apparatus,2019,55(04):39-45.[doi:10.13296/j.1001-1609.hva.2019.04.006]
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基于组合赋权和理想区间法的真空断路器状态评估()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年04期
页码:
39-45
栏目:
研究与分析
出版日期:
2019-04-15

文章信息/Info

Title:
State Evaluation of Vacuum Circuit Breaker Based on Combination Weighting and Ideal Interval Method
文章编号:
0039-0045
作者:
王泉1 周云海1 姚俊伟2 智李1 杨星磊2 刘恒3
1. 三峡大学电气与新能源学院,湖北宜昌443002;2. 国网湖北省电力有限公司宜昌供电公司,湖北宜昌443001; 3. 国网湖北省电力有限公司孝感供电公司,湖北孝感432100
Author(s):
WANG Quan1ZHOU Yunhai1YAO Junwei2ZHI Li1YANG Xinglei2LIU Heng3
1. College of Electrical Engineering & New Energy,China Three Gorges University,Hubei Yichang 443002,China;2. Yichang Electric Company of State Grid Hubei Electric Power Co.,Ltd.,Hubei Yichang 443001,China;3. Xiaogan Electric Company of State Grid Hubei Electric Power Co.,Ltd.,Hubei Xiaogan 432100,China
关键词:
真空断路器状态评估矩估计理论组合赋权理想区间法
Keywords:
vacuum circuit breakercondition assessmentmethod of moments estimatorcombination weighting ideal interval method
DOI:
10.13296/j.1001-1609.hva.2019.04.006
摘要:
客观合理地评估断路器运行状态是提高设备运行可靠性、保证电力系统安全稳定运行的重要手段。 通过将真空断路器评价标准处理为理想区间数概念,提出了基于组合赋权思想的理想区间法来评估断路器 状态。首先针对单一赋权方法的局限性,采取基于灰关联度思想的改进方法确定指标主观权重,基于数据 变异度的熵权法得到客观权值,同时引入矩估计理论建立二者偏差最小的规划方程组以求出指标最优组合 权重;再运用多目标决策的理想区间法计算待评样本与标准理想区间的距离值,倒代换归一化处理后根据 择近原则得出断路器评估等级。算例表明,该方法有效可行,适合供断路器进一步维修工作指导。
Abstract:
Evaluating circuit breaker operation state objectively and reasonably is an important approach to improv? ing its operation reliability and ensure the safe and stable operation of power system. In order to evaluate the opera? tion state of circuit breaker,an ideal interval method and combination weighting approach is proposed by treating the evaluation criterion as ideal interval number concept. Firstly,considering the limitations of a single weighting meth? od,the subjective weights are determined by using improvement method of gray correlation degree and the objective weights are determined by using entropy method. On this basis,the method of moments estimator is introduced in or? der to obtain the optimal combination of subjective and objective weights through solving the minimum deviation opti? mal function. Then in the proposed method,the distance between the evaluated sample and the standard ideal inter? val is calculated by means of ideal interval,and the evaluation level of circuit breaker is determined according to the principle of selecting nearest after the distance value gets inverted substitution and normalization. Finally,the cases are presented to verify the feasibility and validity of this proposed method,and it is suitable to provide guidance for the further maintenance work of circuit breaker.

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备注/Memo

备注/Memo:
收稿日期:2018?09?25; 修回日期:2018?11?17 基金项目:三峡大学人才科研启动项目(KJ2014B011);湖北省微电网工程技术研究中心开放基金(2016KDW10)。 Project Supported by Talent Science Research Project of China Three Gorges University(KJ2014B011),Open Foundation of Huberi Microgrid Engineering Technology Research Center(2016KDW10). 王泉(1994—),男,硕士研究生,主要研究方向为输变 电设备的状态评估及检修技术。 周云海(1972—),男,博士,教授,主要研究方向为电力系 统分析计算及控制与保护。 姚俊伟(1972—),男,高级工程师,从事配电网技术研究 和监督工作。
更新日期/Last Update: 2019-04-16