[1]赵丹丹,肖嵘,司文荣,等.温度对金属氧化物避雷器(MOA)特征参量的影响及修正方法探讨[J].电瓷避雷器,2018,(01):82-87.[doi:10.16188/j.isa.1003-8337.2018.01.015]
 ZHAO Dandan,XIAO Rong,SI Wengrong,et al.Influence of Temperature on Characteristic Parameters of Metal Oxide Surge Arrester (MOA) and Discussion on Correction Method[J].,2018,(01):82-87.[doi:10.16188/j.isa.1003-8337.2018.01.015]
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温度对金属氧化物避雷器(MOA)特征参量的影响及修正方法探讨
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年01期
页码:
82-87
栏目:
避雷器
出版日期:
2018-02-10

文章信息/Info

Title:
Influence of Temperature on Characteristic Parameters of Metal Oxide Surge Arrester (MOA) and Discussion on Correction Method
作者:
赵丹丹1肖嵘1司文荣1韩政2张嘉旻1周越3郭洁3
1,国网上海市电力公司电力科学研究院,上海 200437;2,国网上海市电力公司,上海 200122;3,西安交通大学 电气工程学院, 西安,710049
Author(s):
ZHAO Dandan1 XIAO Rong1 SI Wengrong1 HAN Zheng2 ZHANG Jiamin1 ZHOU Yue3 GUO Jie3
1. State Grid Shanghai Electric Power Research Institute, Shanghai 200437,China;2, State Grid Shanghai Municipal Electric Power Company, Shanghai 200122,China;3, School of electrical engineering of Xi'an Jiao Tong University, Xi′an 710049,China
关键词:
金属氧化物避雷器 特征参量 温度 温度修正 状态评估
Keywords:
MOA characteristic parameters temperature temperature correction state evaluation
DOI:
10.16188/j.isa.1003-8337.2018.01.015
文献标志码:
A
摘要:
在近期的超特高压金属氧化物的现场交接试验和带电检测试验中,特别是在高温天气下,常发生试验结果不能准确反映避雷器运行状态的情况。针对以上问题,研究了温度对金属氧化物避雷器特征参量的影响,并根据试验结果,初步探讨了超特高压金属氧化物避雷器特征参量的温度修正方法。研究结论表明:避雷器直流参考电压随着温度的升高呈线性减小趋势,在60℃以内,其变化率基本在3%以内,电流性特征参量随着温度升高呈指数增大趋势,其中,75%直流参考电压下的泄漏电流增速最快。根据试验结果,提出避雷器特征参量温度修正方法、工作流程和判断标准,可提高避雷器试验的有效性和准确性。
Abstract:
Recently, the test results can not accurately reflect the operation status of EHV and UHV MOA in field handover test and live test of, especially in hot weather. The influence of temperature on characteristic parameters of arrester is studied in this paper to solve the problems. And then, temperature correction method of characteristic parameters of EHV and UHV MOA is discussed based on test results. It is suggest that: The DC reference voltage of MOA decreases linearly with the increase of temperature, and the rate of the change is less than 3% when temperature below 60℃; While the characteristic parameters of current increase exponentially with the increase of temperature, and the growth rate of DC leakage current is fastest. Based on test results, the temperature correction method of characteristic parameters of MOA, the working flow and the judging standard are put forward in this paper, and then the effectiveness and accuracy of arrester test can be improved. The research results will provide the basis for arrester testing validity and fault criterion revision.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-12-28 作者简介:赵丹丹(1985—),女,硕士,从事电力系统过电压及其防护,电力系统启动调试试验,交直流系统交互影响的研究等方面工作。 基金项目:国家电网公司科技项目,超特高压金属氧化物避雷器运行性能带电检测有效性研究及评估(编号:520940150004)。
更新日期/Last Update: 2018-02-10