Review and progress on the aging of surge protective device

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Review and progress on the aging of surge protective device
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                        Sheng FengSheng Feng
Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Xu WeiXu Wei
Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Feng XiaoyuFeng Xiaoyu
Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Pei XiaofangPei Xiaofang
Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China
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Affiliation:Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China
Clc Number:TM241.2
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Abstract:

Surge Protective Device is a protection device, referred to as SPD, it plays an important role in the protection of electronic equipment .It makes the transient overvoltage which put into the electronic equipment limit in the acceptable range and withstands the impact of the shock current. It protects electronic equipment from these damages. However, due to the accumulation of longterm working voltage or the impact of shortterm shock current, SPD will inevitably lead to aging, if not found in time, electronic equipments will have serious consequences. This paper summarizes the domestic and foreign scholars on the aging mechanism of SPD and its research progress, the detection of SPD aging degree and the method of improving the stability of SPD.

Key words:surge protection device; aging; testing; stability

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Online: January 02,2018
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