| Issue |
MATEC Web Conf.
Volume 336, 2021
2020 2nd International Conference on Computer Science Communication and Network Security (CSCNS2020)
|
|
|---|---|---|
| Article Number | 01016 | |
| Number of page(s) | 5 | |
| Section | Study of Advanced Materials and Performance Analysis | |
| DOI | https://doi.org/10.1051/matecconf/202133601016 | |
| Published online | 15 February 2021 | |
The switching principle of thyristor assistant arc extinguishing hybrid on-load tap-changer
1 Shandong taikai Electric Power Equipment Co., Tai'an, China
2 China Electric Power Research Institute, High Voltage Research, Beijing, China
* Corresponding author: jiapengfei@epri.sgcc.com.cn
Thyristor assistant arc extinguishing hybrid on-load tap-changer uses thyristor auxiliary mechanical switch which combines the advantages of mechanical switch and thyristor switch. The hybrid OLTC has high reliability, a relatively small amount of work needs to be maintained. It is a kind of very promising transformer OLTC. This project focus on the application of the hybrid OLTC in 110, 220kV transformer, introduces the auxiliary thyristor arc hybrid on-load tap-changer principle of passive trigger with odd block switch to even block as an example, describes the hybrid on-load tap-changer switching process, and the switching principle of simulation verification, on the basis of summarizing the characteristics of hybrid on-load tap-changer.
© The Authors, published by EDP Sciences, 2021
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