SF6气体绝缘断开开关大电流中断过程研究

2016 2nd International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM) Pub Date : 1900-01-01 DOI:10.1109/ICIEAM.2016.7911529

D. Chernoskutov

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引用次数: 0

摘要

本文研究了提高额定1600a母线转换电流的SF6气体绝缘开关设备在不同工作电压水平下的分断过程。在进行的试验中，对电流断裂过程持续时间的调查得到了特别的关注。本文介绍了大电流中断的几个方面，并对实验结果进行了处理。本文用近似形式的数学预测函数对20 V和100 V母线传输电压的开关性能进行了估计。给出了交流伏安特性。给出了弧灭过程中接触间隙介电强度“热”上升速率的数学函数。介绍了不同的灭弧技术。给出了不同粒度值的算例圆弧时间的递增规律。

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Research of high current interruption process in SF6 gas insulated disconnecting switch

This paper is connected with research of interruption processes in SF6 gas-insulated switchgear with increased breaking performance for rated 1600 A rated bus — transfer current switching test at different operating voltage levels. A special attention was derived to investigation of current breaking process duration at performed tests. The paper describes aspects of high current interruption with experimental results processing. The article presents switching performance estimations of 20 V and 100 V bus transfer voltage with mathematical prognostic functions in the form of approximation. AC volt-ampere characteristics are presented. Mathematical function of «Hot» rate of rise of dielectric strength of contact gap during arc quenching is presented. Different arc quenching technologies are described. Increasing of arcing time of examples with different grain size values is presented.

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2016 2nd International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)

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