强激光与粒子束2012，Vol.24Issue(3)：597-601,5.DOI:10.3788/HPLPB20122403.0597
120kV下常压空气纳秒脉冲电晕放电特性
Characteristic of nanosecond-pulsed corona discharge at 120 kV in atmospheric-pressure air
摘要
Abstract
With an excitation of negative repetitive pulses of 15 ns rise time and 30 to 40 ns duration, corona discharge in nanosecond-pulse regime at 120 kV in atmospheric-pressure air is experimentally investigated, and the characteristic of nanosecond-pulsed corona discharge is analyzed by the measurement of electrical discharge parameters, images and X-ray emission. The results show that X-ray emission occurs in nanosecond-pulsed corona discharge, but the intensity is weak. The counts of X rays decrease with the air gap spacing but increase with the pulse repetition frequency. In addition, owing to the fact that the residual particles in the gap enhance the local electric field when the next pulse is applied, separated corona channels are easily obtained at high pulse repetition frequency.关键词
纳秒脉冲/电晕放电/常压空气/脉冲重复频率/X射线Key words
nanosecond pulse/corona discharge/atmospheric-pressure airs pulse repetition frequency/X rays分类
信息技术与安全科学引用本文复制引用
章程,邵涛,许家雨,马浩,徐蓉,严萍..120kV下常压空气纳秒脉冲电晕放电特性[J].强激光与粒子束,2012,24(3):597-601,5.基金项目
国家自然科学基金项目(50707032,11076026,51007087) （50707032,11076026,51007087）
国家973计划项目 （）
高分子材料工程国家重点实验室开放课题(KF201103) （KF201103）
