E3S Web Conf.
Volume 243, 2021The 5th International Conference on Power, Energy and Mechanical Engineering (ICPEME 2021)
|Number of page(s)||5|
|Section||Power Electronics and Transmission Technology|
|Published online||11 March 2021|
Study on switching principle of thyristor assisted arc extinguishing hybrid OLTC
1 China Electric Power Research Institute, High Voltage Research Institute, 15 Xiaoying East Road, Qinghe, Haidian District, Beijing, China
2 Shandong taikai Electric Power Equipment Co., Taikai Industrial Park, South District, high tech Development Zone, Tai'an City, China
3 Electric Power Research Institute, Xizang Electric Power Co., Ltd, 17 Sela Road, Lasa, China
* Corresponding author:firstname.lastname@example.org
Thyristor assisted arc extinguishing hybrid on load tap changer has the advantages of both mechanical switch and thyristor switch. It has strong ability to withstand overload, over-current and overvoltage, high reliability, small maintenance workload and frequent voltage regulation operation. It is a promising on load tap changer of transformer. This paper introduces the principle of passive trigger of thyristor module, gives the switching principle and process of thyristor assisted arc extinguishing hybrid on load tap changer, and analyses the characteristics of hybrid on load tap changer.
© The Authors, published by EDP Sciences, 2021
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