Analysis and Design of Pulse Reclosing Vacuum Switch Based on Permanent Magnet Electromagnetic Repulsion Mechanism

2019 6th International Conference on Electrical and Electronics Engineering (ICEEE) Pub Date : 2019-04-01 DOI:10.1109/ICEEE2019.2019.00078

Mingzhi Zhang, Yi Wang, Peng Li, Huabin Wen

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Abstract

Reclosing is an effective method to distinguish instantaneous faults from permanent faults, but there will be an enormous shock for power system when reclosing in case of a permanent fault. The pulse reclosing technology can avoid the adverse effects even if reclosing during a permanent fault. Therefore, the pulse reclosing vacuum switch (PRVS) acts as the key equipment to ensure the reliable pulse reclosing. In this paper, the working process of the PRVS is analyzed, and an improved PRVS based on permanent magnet electromagnetic repulsion mechanism (PMERM) is designed. To analyze the dynamic characteristics of the PRVS, the multi-physical domain co-simulation numerical model is developed using the ANSYS Maxwell and ANSYS Simplorer. Finally, a prototype of PRVS is designed and manufactured, and its mechanical and electrical characteristics are tested. The simulation and test results show that the designed PRVS can meet the technical requirements of pulse reclosing satisfactorily.

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基于永磁电磁斥力机构的脉冲重合闸真空开关分析与设计

重合闸是区分瞬时故障和永久性故障的有效方法，但在发生永久性故障时，重合闸会对电力系统产生巨大的冲击。脉冲重合闸技术可以避免在永久故障期间重合闸的不良影响。因此，脉冲重合闸真空开关(PRVS)是保证脉冲重合闸可靠运行的关键设备。分析了PRVS的工作过程，设计了一种基于永磁电磁斥力机构的改进PRVS。为了分析PRVS的动态特性，利用ANSYS Maxwell和ANSYS simplover建立了PRVS的多物理域联合仿真数值模型。最后，设计并制作了PRVS样机，并对其机电特性进行了测试。仿真和试验结果表明，所设计的PRVS能够很好地满足脉冲重合闸的技术要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 6th International Conference on Electrical and Electronics Engineering (ICEEE)

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