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随着防雷行业的深入发展,电涌保护器SPD的安全问题越来越受到重视,进而引发了对SPD用MOV(氧化锌压敏电阻)性能要求,尤其是对MOV热容量问题的探讨。笔者在初期也颇为迷惑,最近通过深入思考及实验验证,对此问题有了全新的认识,供大家参考和探讨。1SPD热稳定性试验的规定YD/T1235.
With the further development of lightning protection industry, the safety of surge protector SPD is paid more and more attention, which leads to the performance requirements of SPD MOV (zinc oxide varistor), especially the discussion about the thermal capacity of MOV. I also quite confused in the initial stage, recently through in-depth thinking and experimental verification, this problem has a new understanding for your reference and discussion. 1SPD Thermal Stability Test Regulations YD / T1235.