优化脉冲老化性能的ZnO压敏电阻配方研究

2022 IEEE International Conference on High Voltage Engineering and Applications (ICHVE) Pub Date : 2022-09-25 DOI:10.1109/ICHVE53725.2022.9961376

Hanchao Chen, Zhikai Wang, Xuesong Du, Shuai Wan, Zihao Liu, Wei Cao

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引用次数: 0

摘要

氧化锌压敏电阻的电性能直接决定了金属氧化物避雷器(MOA)的保护效果。对于一些具有极高能量吸收要求的moa，由于压敏电阻老化而发生损坏情况。有必要对$Z$n $O$压敏电阻的配方优化进行研究，以优化压敏电阻的老化性能，尽量避免压敏电阻在多次脉冲作用下电性能恶化甚至崩溃。根据ZnO压敏电阻的基本公式，通过调整各种元素的掺杂量，比较了不同添加剂掺杂后压敏电阻片的晶粒参数和电性能。此外，本文还对压敏电阻进行了冲击老化试验，得到了冲击老化性能的影响规律。通过对各种元素掺杂的对比分析，得出了各种添加剂对压敏电阻的影响规律。优化后的掺杂配方可用于制备老化性能较好的ZnO压敏电阻。

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Research on formula of ZnO varistor with optimized impulse aging performance

ZnO varistors' electrical properties directly determine the protective effect of the metal oxide arrester (MOA). For some MOAs with extremely high energy absorption requirements, damaged cases occurred due to the aging of the varistor. It is necessary to carry out research on formula optimization of $Z$n $O$ varistors to optimize the aging performance of the varistors, and try to avoid electrical performance deterioration and even collapse of the varistors under multiple impulses. Based on the basic formula of the ZnO varistor, by adjusting the doping amount of various elements, grain parameters and electrical properties of varistor pieces with different additives doping were compared. Furthermore, this paper carried out an impulse aging test on the varistor, so as to obtain the influence rule of the impulse aging performance. Based on the comparative analysis of various elements doping, the influence rule of various additives on the varistors was concluded. And the optimized doping formula can be used to prepare ZnO varistors with improved aging performance.

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2022 IEEE International Conference on High Voltage Engineering and Applications (ICHVE)

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