| Issue |
E3S Web Conf.
Volume 256, 2021
2021 International Conference on Power System and Energy Internet (PoSEI2021)
|
|
|---|---|---|
| Article Number | 01028 | |
| Number of page(s) | 4 | |
| Section | Smart Grid Technology and Power System Regulation Modeling | |
| DOI | https://doi.org/10.1051/e3sconf/202125601028 | |
| Published online | 10 May 2021 | |
A kind of DC fault current-limiter with instantaneous by-pass of current-limiting reactor
1 International Energy College, Jinan University, Zhuhai, Guangdong, 519070, China
2 International Energy College, Jinan University, Zhuhai, Guangdong, 519070, China
3 Chang yuan Electric Power Co. Ltd, Xining, Qinghai, 810021, China
Corresponding author’s e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
With the rapid development of DC power grids, the protection of DC power grids is particularly important. Therefore, this paper proposes a kind of DC fault current-limiter with instantaneous by-pass of current-limiting reactance, analyses its working principle and theoretical calculations, and verifies the correctness of its principle through simulation experiments. At the same time, the experimental results show that the current-limiter proposed in this paper can not only instantaneously and greatly limit the fault current when a short-circuit fault occurs in the power grid, but not affect the normal operation of the power grid. A new device is provided for DC gird fault current-limiting protection.
© The Authors, published by EDP Sciences, 2021
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