基于直觉语言评价的电力变压器状态维修决策方法

doi:10.16180/j.cnki.issn1007-7820.2019.09.004

电子科技 ›› 2019, Vol. 32 ›› Issue (9): 15-19.doi: 10.16180/j.cnki.issn1007-7820.2019.09.004

基于直觉语言评价的电力变压器状态维修决策方法

郑明亮,王泉,黄翔

三峡大学电气与新能源学院,湖北宜昌 443002

收稿日期:2018-09-04 出版日期:2019-09-15 发布日期:2019-09-19
作者简介:郑明亮(1993-),男,硕士研究生。研究方向:电气设备状态监测与检修技术。|王泉(1994-),男,硕士研究生。研究方向:输变电设备的状态评估及检修技术。|黄翔(1993-),男,硕士研究生。研究方向:电气设备监测与故障诊断。
基金资助:
国家自然科学基金(51477090)

Decision Method Based on Intuitionistic Linguistic Evaluation of Condition Maintenance for Power Transforme

ZHENG Mingliang,WANG Quan,HUANG Xiang

School of Electrical Engineering & New Energy,China Three Gorges University,Yichang 443002,China

Received:2018-09-04 Online:2019-09-15 Published:2019-09-19
Supported by:
National Natural Science Foundation of China(51477090)

摘要/Abstract

摘要：

研究电力变压器状态维修的决策方法对提高其运行安全和可靠性具有重要意义。针对当前变压器状态维修决策方法对定性评价信息处理的不足,文中结合直觉模糊集和语言评价法提出一种基于直觉语言评价的决策方法。为得到更为完备的决策信息,该方法首先引入直觉语言数形式以充分表达专家评语的肯定度、犹豫度;在此基础上,基于直觉语言熵定义并综合考虑多方面因素建立起优化模型来确定指标权值,同时利用直觉二元语言算子对专家群体决策信息进行集成运算,以进行方案优选。实例分析表明,该方法能涵盖更多的决策信息,并减小定性到定量转化过程中的信息量损失,使得决策结果更加客观、合理和全面。

关键词: 电力变压器, 状态维修, 决策方法, 定性指标, 语言评价, 直觉语言集

Abstract:

It was important to study the decision method of condition maintenance for power transformer to improve its operation safety and reliability. For the problem of qualitative evaluation in current decision method of condition maintenance for power transformer, an intuitionistic linguistic evaluation method was proposed by combining intuitionistic fuzzy sets and linguistic evaluation theory. Firstly, in order to get more complete decision information, the intuitionistic linguistic numbers was introduced to express the degree of certainty and hesitancy of linguistic evaluation information from experts. On this basis, an optimization model was established to determine the index weight based on concept of intuitionistic linguistic entropy and comprehensive consideration of various factors. Then in the proposed method, the intuitionistic binary linguistic operators was used to integrate and calculate the decision information from expert group to sort the scheme. Finally, an example analysis demonstrated that the proposed method can cover more decision information and reduce the loss of process in conversion from qualitative to quantitative, and makes the decision result being more objective, reasonable and comprehensive.

Key words: power transformer, condition-based maintenance, decision-making technique, qualitative index, linguistic evaluation, intuitionistic linguistic set

中图分类号:

TP207

郑明亮,王泉,黄翔. 基于直觉语言评价的电力变压器状态维修决策方法[J]. 电子科技, 2019, 32(9): 15-19.

ZHENG Mingliang,WANG Quan,HUANG Xiang. Decision Method Based on Intuitionistic Linguistic Evaluation of Condition Maintenance for Power Transforme[J]. Electronic Science and Technology, 2019, 32(9): 15-19.

图/表 2

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指标	名称	说明
C₁	维修所需技术水平	是否有维修相应的技术水平
C₂	维修效果	使设备运行可靠性及效益提升的水平
C₃	维修所需综合费用	包括维修费、人工费、供电中断等导致的生产损失费等因素
C₄	维修对生产的影响	对供电负荷、可靠性等的影响
C₅	维修风险	维修中可能存在的潜在危险因素
C₆	故障对电网安全的影响	故障可能给系统带来的危害或造成的经济损失

指标	语言评价集
C₁,C₃,C₅	很低,低,一般,高,很高
C₂	很坏,坏,中等,好,很好
C₄,C₆	很小,小,中等,大,很大

基于直觉语言评价的电力变压器状态维修决策方法

Decision Method Based on Intuitionistic Linguistic Evaluation of Condition Maintenance for Power Transforme

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