北华大学学报：自然科学版
北華大學學報：自然科學版
북화대학학보：자연과학판
Journal of Beihua University(Natural Science)
2011年
6期
733-736
,共4页
绝缘子串%电压分布%红外热像%发热机制
絕緣子串%電壓分佈%紅外熱像%髮熱機製
절연자천%전압분포%홍외열상%발열궤제
insulator string%voltage distribution%infrared thermography%heating mechanism
高压绝缘子电阻劣化发热和表面污秽发热均与绝缘子串的电压分布有关,研究绝缘子串的电压分布以及与表面温升的关系,无论是对工程设计还是对实际检测都非常重要.利用绝缘子等值电路模型,在理论上讨论了高压绝缘子串的电压分布及其影响因素,以及绝缘子串的电压分布与绝缘子表面温升之间的对应关系,所得的结论对绝缘子故障的红外热像检测诊断具有一定的指导意义.
高壓絕緣子電阻劣化髮熱和錶麵汙穢髮熱均與絕緣子串的電壓分佈有關,研究絕緣子串的電壓分佈以及與錶麵溫升的關繫,無論是對工程設計還是對實際檢測都非常重要.利用絕緣子等值電路模型,在理論上討論瞭高壓絕緣子串的電壓分佈及其影響因素,以及絕緣子串的電壓分佈與絕緣子錶麵溫升之間的對應關繫,所得的結論對絕緣子故障的紅外熱像檢測診斷具有一定的指導意義.
고압절연자전조열화발열화표면오예발열균여절연자천적전압분포유관,연구절연자천적전압분포이급여표면온승적관계,무론시대공정설계환시대실제검측도비상중요.이용절연자등치전로모형,재이론상토론료고압절연자천적전압분포급기영향인소,이급절연자천적전압분포여절연자표면온승지간적대응관계,소득적결론대절연자고장적홍외열상검측진단구유일정적지도의의.
Heat emitting due to resistance deterioration and surface contamination of high voltage insulator is related to the voltage distribution of the insulator strings,it is important both for engineering design and the practical test to study the relationship of the voltage distribution and surface temperature rise of insulator strings.By using the equivalent circuit model of insulator,the voltage distribution of voltage insulator strings and its influencing factors are discussed,and then the relationship between the voltage distribution and the surface temperature rise of the insulator strings is discussed.The conclusions will be certain significance for infrared detection and diagnosis of the insulator fault.
