相对熵赋权法下中压真空断路器状态的灰云-模糊熵评估模型  

Grey Cloud⁃fuzzy Entropy Evaluation Model for Medium Voltage Vacuum Circuit Breaker State Based on Relative Entropy Combined Weight Method

作　　者：杨凡 何晋[1] 王泉 周石金 石煌雄 张瑞祥 YANG Fan;HE Jin;WANG Quan;ZHOU Shijin;SHI Huangxiong;ZHANG Ruixiang(College of Electrical Information Engineering,Yunnan Minzu University,Kunming 650500,China;State Grid Jiangxi Electric Power Co.,Ltd.,Xinyu Power Supply Company,Jiangxi Xinyu 338025,China)

机构地区：[1]云南民族大学电气信息工程学院,昆明650500 [2]国网江西省电力有限公司新余供电分公司,江西新余338025

出　　处：《高压电器》2020年第6期204-210,共7页High Voltage Apparatus

基　　金：国家自然科学基金资助项目(61365007)。

摘　　要：针对目前中压断路器评估中存在的结果模糊度较高、确信度较差的不足,采用相对熵组合赋权思想提出一种中压断路器运行状态的灰云-模糊熵评估模型。该模型采用直觉层次模糊分析法确定评判参量的主观权重,基于分析信息量差异的交叉熵法得到客观权值,采用相对熵求得最优组合权重;同时,运用云模型改进灰色白化权函数;引入模糊熵理论来刻画评估的复杂不确定程度,并作为辅助参评量。实例分析表明,该方法可行有效,为中压断路器状态评估研究提供了可行思路。In view of the shortcomings of the current Medium Voltage Vacuum Circuit Breaker evaluation,such as high ambiguity and poor confidence,this paper proposes a grey cloud⁃fuzzy entropy evaluation model for the operat⁃ing state of the circuit breaker by using the relative entropy combination weighting idea.The model uses the intuition⁃istic hierarchical fuzzy analysis method to determine the subjective weight of the judgment output.The cross⁃entropy method based on the analysis of the information difference is used to obtain the objective weight,and the relative en⁃tropy is used to obtain the optimal combination weight.At the same time,the cloud model is used to improve the gray whitening weight function.The fuzzy entropy theory is introduced to characterize the complex uncertainty of evalua⁃tion and as an auxiliary measure.The example analysis shows that the method is feasible and effective,and provides a feasible way for the circuit breaker state assessment research.

关 键 词：中压真空断路器 状态评估 相对熵权法 灰云模型 模糊熵 直觉模糊层次分析法 

分 类 号：TM561[电气工程—电器]