[1]林其雄,曾文斐,区伟明,等.电压型致热设备温度统计分析[J].电瓷避雷器,2017,140(04):39-45.[doi:10.16188/j.isa.1003-8337.2017.04.007]
 LIN Qixiong,ZENG Wenfei,QU Weiming,et al.Temperature Statistics Analysis of Voltage Type Heating Equipment[J].,2017,140(04):39-45.[doi:10.16188/j.isa.1003-8337.2017.04.007]
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电压型致热设备温度统计分析()
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
140卷
期数:
2017年04期
页码:
39-45
栏目:
避雷器
出版日期:
2017-09-10

文章信息/Info

Title:
Temperature Statistics Analysis of Voltage Type Heating Equipment
作者:
林其雄曾文斐区伟明蔡蒂周哲陈智仁
广州供电局有限公司,广州510620
Author(s):
LIN Qixiong ZENG Wenfei QU Weiming CAI Di ZHOU Ze CHEN Zhiren
Guangzhou Power Supply Co., Ltd., Guangzhou 510620, China
关键词:
红外检测电压致热型设备威布尔分布正态分布
Keywords:
infrared diagnosis voltage type heating equipment Weibull distribution normal distribution
DOI:
10.16188/j.isa.1003-8337.2017.04.007
文献标志码:
A
摘要:
采用红外热像仪检测氧化锌避雷器和耦合电容器这类电压致热型设备缺陷时,由于其发热量小温升低,其缺陷判断主要依赖于运行维护人员的经验。对220 kV氧化锌避雷器、110 kV氧化锌避雷器和220 kV耦合电容器这3种电压致热型设备进行了研究,通过对大量预防试验合格的设备进行红外图谱的统计分析,研究了其温度的统计规律。研究表明:所研究设备的温升服从威布尔分布,而相间温差服从正态分布,并根据拟合得到的分布函数计算了在0.05显著度下设备的正常温升和相间温差范围,并以此推导了缺陷判断的阈值。
Abstract:
Because zinc oxide arrester and coupling capacitor have light heating power and low temperature rise, the judgment of the defects mainly depends on the experience of the maintenance personnel. This paper focus on 3 kinds of voltage type heating equipment as 220 kV zinc oxide arrester, 110 kV zinc oxide arrester and 220 kV coupling capacitor, by observing the infrared image of a large number of the equipment considered as on good state in preventive tests, temperature statistics properties are studied. From the view of statistics, the research reveal that temperature rise probability distribution of the concerned equipment obey the Weibull model, while interphase temperature difference probability distribution of concerned equipment obey the normal model. The range of temperature rise and interphase temperature difference for normal operation of these equipment are calculated at the 0.05 significant degree, then the threshold value for defect judgment are conducted.

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备注/Memo

备注/Memo:
收稿日期:2016-04-25 作者简介:林其雄(1974—),男,博士,高级工程师,主要从事高电压试验技术、高压设备状态检测方面的研究工作。 基金项目:基于红外原理的设备状态检测研究及技术应用(编号:K-GZM2014-002)。
更新日期/Last Update: 2017-09-10