Determining the MOV Element Number of Surge Protective Device, Manufactured by Multi-Block MOV Technology

( Vol-6,Issue-1,January 2020 )

Author(s): Quyen Huy Anh, Hoang Thi Trang, Le Trong Nghia

Total View : 649
Downloads : 165
Page No: 62-65
DOI: 10.22161/ijaems.61.11

Keywords:

Surge Protective Device (SPD), Multi-block MOV, Dissipation energy.

Abstract:

SPDs manufactured using multi-block MOV technology can indicate the remaining life (in %) of the SPD, thus helping users to plan appropriate replacement and maintenance. However, because the threshold voltage error of parallel-coupled MOV elements is not the same, the rated impulse current of the SPD manufactured by multi-block MOV technology is not equal to the total of the rated impulse current of parallel-coupled MOV elements. The paper presents the method of determining the number of parallel MOV elements of multi-block MOV according to the allowed dissipation energy method with the help of Matlab software and modelling and simulation technique.

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