Zobrazeno 1 - 10
of 517
pro vyhledávání: '"Shenli Jia"'
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 9, Iss 4, Pp 1577-1584 (2023)
Externí odkaz:
https://doaj.org/article/156cd678e58a44bb9fa096c9b93b7626
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 8, Pp 1857-1869 (2023)
Abstract In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification. In this paper, the interruption process of the HVDC
Externí odkaz:
https://doaj.org/article/823b5a4a4fd64421a093ccfea6831cae
Publikováno v:
IET Generation, Transmission & Distribution, Vol 16, Iss 14, Pp 2939-2946 (2022)
Abstract Development towards HVDC grids is drawing intense development of HVDC circuit‐breakers (CBs). The increasing rated voltage and capacity requires HVDC CBs with excellent performance to be installed and comprehensive tests on HVDC CBs are in
Externí odkaz:
https://doaj.org/article/aab8765978a64719a29035ff2d774dab
Publikováno v:
High Voltage, Vol 6, Iss 6, Pp 997-1008 (2021)
Abstract A contribution to the engineering application of a proposed 500 kV fault current limiter (FCL) is presented. A new type of FCL composed of a highly coupled split reactor (HCSR) and fast switches is proposed. When the circuit breaker (CB) in
Externí odkaz:
https://doaj.org/article/f9b2ba53175d4364a88ad430828989fc
Publikováno v:
AIP Advances, Vol 11, Iss 5, Pp 055218-055218-10 (2021)
Vacuum circuit breakers (VCB) are commonly used in active mechanical direct current circuit breakers (DC CBs) to accomplish the interruption of the fault current. The post-arc current phenomenon of a VCB is related to the dielectric recovery process
Externí odkaz:
https://doaj.org/article/953e8ac5b403479abce9e6e031cc2201
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015317-015317-7 (2021)
The dielectric recovery process has decisive effects on the current interruption process in vacuum circuit breakers, which has attracted the special attention of researchers. In commercial vacuum interrupters, ions and electrons of the residual plasm
Externí odkaz:
https://doaj.org/article/ae5667fc3a904589b1656a782e947406
Publikováno v:
AIP Advances, Vol 9, Iss 8, Pp 085120-085120-7 (2019)
In this paper, the voltage characteristics of short air arc with high average current density arc root were studied at atmospheric pressure. Cu-W electrodes with diameter of 5-14mm and gap length of 0.2-3 mm were used in the experimental study. The e
Externí odkaz:
https://doaj.org/article/24c8da9f84fe4554bd4daf124ce141ef
Publikováno v:
AIP Advances, Vol 9, Iss 4, Pp 045316-045316-12 (2019)
The air arc impinging to chamber shell during interruption current process were studied by experiments and numerical simulation. Firstly, strain characteristics of chamber shell were measured by the strain gauge, and the strain changing with times we
Externí odkaz:
https://doaj.org/article/f0cd124932a94357b4d52e39d5d69c66
Publikováno v:
AIP Advances, Vol 8, Iss 12, Pp 125213-125213-17 (2018)
This paper involves the simulation of vacuum arc under composite (CuCr) contact. A three dimensional model is developed and we have considered the ionization process as well as recombination in the vacuum arc. The species transport equations, in whic
Externí odkaz:
https://doaj.org/article/d01da026ca954e6ba8d02ac5dca1d51b
Publikováno v:
AIP Advances, Vol 8, Iss 9, Pp 095110-095110-14 (2018)
In this paper, the arc characteristics of cup-shaped AMF contacts in vacuum arc experiments under different materials was studied. The experiment was conducted in a detachable vacuum chamber with a gas pressure of 10-4Pa. The arc voltage and current
Externí odkaz:
https://doaj.org/article/88520191e5c14332af9e8c4395c1aa6c