Zobrazeno 1 - 10
of 904
pro vyhledávání: '"Current stress"'
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 10, Pp 1585-1595 (2024)
To reduce the current stress of dual active full-bridge converters in the buck-boost mode, a current stress optimization control strategy based on new extended-phase-shift modulation is proposed. First, the phase shift between the output high-level v
Externí odkaz:
https://doaj.org/article/4f3d0a8f84f34371a1e2f46d5d1b9713
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-22 (2024)
Abstract A new DC–DC buck–boost converter with a wide conversion ratio is presented in this paper. The proposed buck–boost converter consists of a combination of modified boost converter and ZETA converter, which has the advantages of both conv
Externí odkaz:
https://doaj.org/article/e27e7b881c2249a4aa49c28bfab96b6f
Publikováno v:
IET Power Electronics, Vol 17, Iss 5, Pp 618-639 (2024)
Abstract The utilization of switched inductors, involving parallel charging and series discharging of inductors, is extensively embraced in diverse DC–DC converters for attaining high voltage gain; nevertheless, the stress on switch voltage and dio
Externí odkaz:
https://doaj.org/article/78d3e73b4c8a45bc94a8e3c9ede618ea
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109943- (2024)
The DC circuit breaker (DCCB) is a critical device that ensures the safe and reliable operation of the DC transmission system. As the level of DC voltage and transmission power increases, the flexible DC grid will need more and more opening capacity
Externí odkaz:
https://doaj.org/article/f6e55375fbe0484c9d87da4317d371bb
Autor:
Dabin Jia, Dazhi Wang
Publikováno v:
Actuators, Vol 13, Iss 10, p 421 (2024)
Under extended-phase-shift (ESP) control, the current stress of the dual active bridge converter (DAB) is relatively high, which reduces the efficiency of the converter. To solve this problem, a particle swarm optimization (PSO) algorithm based on mi
Externí odkaz:
https://doaj.org/article/3001f63ccf5440efa949529979302b4d
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 1086-1092 (2023)
With the rapid development and application of renewable energy, the advantages of DC distribution system are becoming more and more obvious. In the DC distribution system, the DC transformer is a component that connects different voltage DC bus and r
Externí odkaz:
https://doaj.org/article/d784b0d4513549dba6cfae359e9619a4
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 57, Iss 5, Pp 521-532 (2023)
Hybrid three-level full bridge (H-TLFB) DC-DC converters increase the input voltage range by introducing a three-level bridge arm. Aimed at the problems of large power return and high current stress in the traditional dual phase shift control, a mini
Externí odkaz:
https://doaj.org/article/b4022b4fe955497b87ab34f746d92bfe
Akademický článek
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Publikováno v:
Energy Reports, Vol 9, Iss , Pp 324-335 (2023)
The safety and installation space of DC-link capacitor is crucial for dual-three phase permanent magnet synchronous machines (DTPMSM) drives in industrial applications. Reducing the capacitor current stress can contribute to decrease the designed cap
Externí odkaz:
https://doaj.org/article/09960215863f42fab4949c1c42899592
Publikováno v:
电力工程技术, Vol 42, Iss 1, Pp 11-18 (2023)
A hybrid direct current transformer (DCT) with modular multilevel structure and series-connected switches experiences current spike in sub-module branch when using original control method. The existence of current spike causes extra current stress on
Externí odkaz:
https://doaj.org/article/ed4ce787ffc344a4bd441e8a9a325bb4