高电压技术2017,Vol.43Issue(12):4020-4025,6.DOI:10.13336/j.1003-6520.hve.20171127028
基于臭氧检测法的电晕起始电压测量方法
Measurement Method of Corona Onset Voltage Based on Ozone Detection Technology
摘要
Abstract
Corona onset voltage measurement is an important aspect of researching the corona characteristics of power fittings.In order to obtain accurate corona onset voltages,we proposed a new method based on ozone detection by combining theoretical analysis and experimental verification.The feasibility of this method was discussed by chemical mechanism analysis on the generation of ozone during corona discharge.The ozone detection method was compared with the ultraviolet detection method from the aspects of excitation energy and interference factors.Moreover,a measurement platform of ozone detection method was established in the laboratory,and the corona onset voltages of rod-plate gaps with 2 types of rod electrodes under negative DC voltage were measured.The results show that the ozone detection method is feasible and has the advantages of high sensitivity and strong anti-interference ability;the measurement results well agree with the calculated results obtained by photoionization model,proving the efficiency of the proposed method.This method can be used for accurate measurement of corona onset voltage of small electrodes in laboratory.关键词
电晕放电/起晕电压/臭氧/紫外光/棒-板间隙/物理模型Key words
corona discharge/corona onset voltage/ozone/ultraviolet/rod-plate gaps/physical model引用本文复制引用
金硕,阮江军,朱琳,杜志叶,陈繁,白江..基于臭氧检测法的电晕起始电压测量方法[J].高电压技术,2017,43(12):4020-4025,6.基金项目
国家自然科学基金(51477120).Project supported by National Natural Science Foundation of China(51477120). (51477120)