中国电机工程学报2011，Vol.31Issue(1)：131-137,7.
横向磁场下中频真空电弧形态及电弧电压特性
Modes of Intermediate-frequency Vacuum Arc and Characteristics of Arc Voltage Under Transverse Magnetic Field
摘要
Abstract
Arc mode and voltage characteristics of intermediate frequency vacuum arc (400～800 Hz) in cup-type vacuum interrupter with transverse magnetic field (TMF) have been studied.Experiments were carried out under condition of a shield-removed cup-type TMF vacuum interrupter with a contact diameter of 66 mm and a contact opening distance of 4mm in a single-frequency oscillating circuit.Experimental results showed if the current increases to a certain value, the arc rotates distinctively.If not, obvious arc rotation could not be observed.Arc movement characteristics are mainly affected by the magnetic field.Arc movement is not the reason to generate high-frequency arc voltage noise.Only when the cathode spots occupy the entire cathode surface, could arc voltage generate high-frequency noise.The correlations between the arc voltage and the amplitude and frequency of the current were achieved in this study.关键词
横向磁场/真空电弧/中频/电弧形态/电弧电压Key words
transverse magnetic field (TMF)/ vacuum arc/ intermediate frequency, arc modes/ arc voltage分类
信息技术与安全科学引用本文复制引用
朱立颖,武建文..横向磁场下中频真空电弧形态及电弧电压特性[J].中国电机工程学报,2011,31(1):131-137,7.基金项目
高等学校博士学科点专项科研基金资助项目(200800060004) （200800060004）
国家自然科学基金项目(50877002). （50877002）
