Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Qi, Xuanwei"'
Publikováno v:
Zhejiang dianli, Vol 42, Iss 1, Pp 54-62 (2023)
Misoperation of the inter-turn protection of high voltage shunt reactors （HVSRs） frequently occurs in submarine cables for offshore wind power transmission during conventional opening and closing operations. The misoperation scenarios are analyze
Externí odkaz:
https://doaj.org/article/537daa1e528e4212a97cd9e1ab761ed6
Misoperation analysis and logic optimization of distance protection section I of polygonal impedance
Publikováno v:
Zhejiang dianli, Vol 41, Iss 11, Pp 46-51 (2022)
The widely used distance protection is of great significance to operation reliability of power grid. The paper cites an example of misoperation of distance protection section I and points out the defects of action zone configuration of polygonal impe
Externí odkaz:
https://doaj.org/article/0ff6c8d435ad411ea4ba56fbcb489959
Autor:
Cao, Wenbin, Qi, Xuanwei, Wang, Song, Huang, Xiaoming, Lu, Chengyu, Wen, Minghao, Yin, Xianggen
Publikováno v:
In International Journal of Electrical Power and Energy Systems October 2022 141
Publikováno v:
E3S Web of Conferences, Vol 260, p 02016 (2021)
This paper analyses the unusual mal-operation of the differential protection for transformer current differential protection during the external fault. The mal-operation reason is researched in detail, based on the mathematical analysis, the simulati
Externí odkaz:
https://doaj.org/article/3d5f4ddd9bbf412193ae29d09c199bb7
Publikováno v:
In International Journal of Electrical Power and Energy Systems January 2015 64:1-8
Akademický článek
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Autor:
Liu, Xiaogang, Wang, Lin, Cao, Wenbin, Qi, Xuanwei, Chen, Ming, Wu, Jun, Pan, Wulue, Qiu, Yutao
Publikováno v:
Proceedings of SPIE; June 2023, Vol. 12702 Issue: 1 p127020Y-127020Y-7, 1143188p
Publikováno v:
IET Generation, Transmission & Distribution. 13:3999-4010
This study proposes a novel boundary protection for the series-compensated transmission lines, on the basis of the R - L differential-equation algorithm using the least square method and the theory of equal transfer process of transmission lines. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20e7ea46dc07236f5a8b367479f72799
https://doi.org/10.1049/iet-gtd.2018.5247
https://doi.org/10.1049/iet-gtd.2018.5247
Publikováno v:
2021 6th Asia Conference on Power and Electrical Engineering (ACPEE).
This paper analyses the impact of series capacitor on transmission line current differential protection by means of theoretical analysis and digital simulations. The main influencing factors include series compensation degree, the equivalent impedanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ea0090beef0a08f71052135188c699f
https://doi.org/10.1109/acpee51499.2021.9437069
https://doi.org/10.1109/acpee51499.2021.9437069
Publikováno v:
2020 IEEE 1st China International Youth Conference on Electrical Engineering (CIYCEE).
In differential protection, the methods to correct amplitude and phase deviation of currents in primary and secondary winding of the Y/Delta-connected transformer will weaken the harmonic characteristics. Researchers have proposed the inrush restrain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a52cf6db602f424841db8fd2e5a58cc
https://doi.org/10.1109/ciycee49808.2020.9332530
https://doi.org/10.1109/ciycee49808.2020.9332530