Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Shaogui Ai"'
Publikováno v:
Frontiers in Energy Research, Vol 11 (2024)
A fault self-driven current limiter is proposed in the paper, which uses a special fault current direct-driven electromagnetic repulsion mechanism to realize the first half-wave of the fault current over the zero point into the current-limiting react
Externí odkaz:
https://doaj.org/article/b13355a0000c48c69a934b3d703b7691
Publikováno v:
Engineering, Vol 13, Iss , Pp 164-177 (2022)
Even though switching in vacuum is a technology with almost 100 years of history, its recent developments are still changing the future of power transmission and distribution systems. First, current switching in vacuum is an eco-friendly technology c
Externí odkaz:
https://doaj.org/article/92f8f35fff89409d84ee117fd9b73795
Publikováno v:
Archives of Electrical Engineering, Vol vol. 68, Iss No 1, Pp 135-146 (2019)
The arc suppression coil determines whether it can effectively extinguish the arc when it is grounded in the neutral non-effective grounding system. An artificial grounding test is an importantway to verify its performance. In this study, 13 substati
Externí odkaz:
https://doaj.org/article/73e9c8c90d1d4cb19c5d8449a3100bee
Investigation on the Thermal Performance of a 363 kV Vacuum Circuit Breaker Using a 3D Coupled Model
Publikováno v:
IEEE Access, Vol 7, Pp 128606-128616 (2019)
Multi-break vacuum circuit breakers (VCBs) are the most potential approach for applying VCBs to high voltage power system. However, it has higher thermal stability requirements than normal single break VCBs due to its complex structure and high rated
Externí odkaz:
https://doaj.org/article/abcbc46646b64278a0f742ab1e5b733c
Development and Testing of a 252 kV/2500 A-40 kA Multi-Break Bus-Coupler Fast Vacuum Circuit Breaker
Autor:
Kui Ma, Xiaofei Yao, Luyang Zhang, Shaogui Ai, Shuhong Wang, Jianhua Wang, Yingsan Geng, Zhiyuan Liu
Publikováno v:
Energies, Vol 14, Iss 14, p 4285 (2021)
It is effective to open the bus-coupler circuit breaker in case of a short-circuit fault. A fast vacuum circuit breaker (FVCB) is an ideal bus-coupler circuit breaker due to its high velocity. The objective of this study was to develop and test a 252
Externí odkaz:
https://doaj.org/article/b2a1dbf2bc344cbca3f27b3259b37f46
Publikováno v:
Energies, Vol 12, Iss 13, p 2512 (2019)
A balanced voltage distribution for each break is required for normal operation of a multi-break vacuum circuit breaker (VCB) This paper presented a novel 363 kV/5000 A/63 kA sextuple-break VCB with a series-parallel structure. To determine the stati
Externí odkaz:
https://doaj.org/article/8bb05d195640476d9fb17ec9f0d08c2c
Publikováno v:
IEEE Transactions on Power Delivery. 37:3436-3446
Ultra-high voltage fast vacuum circuit breakers (FVCBs) could benefit a power system by promoting transient stability. This paper presents the design and verification of a prototype 363-kV/5000-A 63-kA multiple-break FVCB. The prototype consists of t
Publikováno v:
Archives of Electrical Engineering.
Autor:
Shaogui Ai, Xiaofei Yao, Jianagang Ding, Chen Guan, Yingsan Geng, Zhiyuan Liu, Kui Ma, Jianhua Wang
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-5
A quick elimination of short-circuit faults in a short time can significantly promote the transient stability of an AC power grid. This paper proposes controlled fast vacuum breaking (CFVB) of a short-circuit current within a short-arcing time. The C
Publikováno v:
2021 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia).