温度和水分对变压器油纸绝缘系统频域介电谱特性的影响  

Effects of Temperature and Moisture on the Characteristics of Frequency Domain Dielectric Spectroscopy of Transformer Oil-paper Insulation System

作　　者：陈名铭[1] 韦国[1] 刘君[1] 赵赢峰[1] 周利军[1] 吴广宁[1] 朱毅刚[2] 张云[2] 

机构地区：[1]西南交通大学电气工程学院,成都610031 [2]广东电网惠州供电局,广东惠州516001

出　　处：《绝缘材料》2012年第1期57-61,共5页Insulating Materials

摘　　要：基于频域的介电谱(FDS)诊断技术,研究了不同温度和水分含量下油纸绝缘系统频域介电谱和复电容实部与虚部交叉频率的变化规律。结果表明:油纸绝缘系统的介质损耗因数、复电容的实部和虚部、交叉频率都随着温度和水分的增加而增大。Based on the dielectric frequency spectra（FDS） diagnosis technology, study was made on the variation law of frequency domain dielectric spectroscopy and the cross frequency of real part and imaginary part of complex capacitance of oil-paper insulation system under various temperatures and moisture contents. The results show that with the increase of temperature and moisture content, the dielectric dissipation factor, the real part and imaginary part of complex capacitance and the cross frequency of the system all increase.

关 键 词：油纸绝缘 水分含量 温度 频域介电谱 交叉频率 

分 类 号：TM206[一般工业技术—材料科学与工程]