高压电器2011，Vol.47Issue(3)：64-68,5.
基于直流局部放电的高压储能电容器缺陷的模糊识别
Fuzzy Recognition of the High-voltage DC Energy Storage Capacitor Defects Based on Partial Discharge
摘要
Abstract
Defect detection via partial discharge under DC voltage was conducted to enhance the reliability of storage capacitor in high-voltage pulsed power system, and DC partial discharge measurement data were gained. Fuzzy mathematics theory was adopted for capacitor defect type recognition. Firstly, 12 statistical operators from 22 were selected to form the statistical operator characteristic vector. Then each type of defect's characteristic vector membership function with normal distribution was calculated through the measurement of internal defect, contact defect, overlap defect, and oil quality defect, respectively. Finally,two capacitors with respective an unknown defect and a known defect were detected and anatomized to validate the utility of the method. This proposed method can be used for capacitors reliability detection for pulsed power system prior to assembly.关键词
绝缘缺陷/模糊数学/直流局部放电/模式识别/统计算子分类
信息技术与安全科学引用本文复制引用
王鹏,吴广宁,张依强,张血琴..基于直流局部放电的高压储能电容器缺陷的模糊识别[J].高压电器,2011,47(3):64-68,5.基金项目
国家自然基金联合资助项目(10476022). （10476022）
