Zobrazeno 1 - 10
of 986
pro vyhledávání: '"DC-System"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 8, Pp 3550-3571 (2024)
Abstract In this study, two novel control methods are theoretically introduced as direct slip angle control (DSAC) and model predictive direct slip angle control (MPDSAC) for rotor side converter (RSC) of the standalone Doubly‐Fed Induction Generat
Externí odkaz:
https://doaj.org/article/09649229e0e54718866e88187c657d80
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
As renewable energy sources are increasingly being integrated into power systems, traditional frequency regulation methods have faced challenges, such as reduced system inertia and diminished regulatory capacity. We present a source–grid–load col
Externí odkaz:
https://doaj.org/article/53bf18c567c344f89fa5b7435d3ffc3f
Autor:
Oluwafemi Oni, Omowunmi Mary Longe
Publikováno v:
Journal of Sustainable Development of Energy, Water and Environment Systems, Vol 12, Iss 2, Pp 1-17 (2024)
Inter-area power oscillations, a condition where a group of generators in different areas oscillate against each other, are becoming hard to control due to the recent complexity of power systems. This paper aims to enhance the stability of the modifi
Externí odkaz:
https://doaj.org/article/87905734b5d147a8a0e4ebd6858e34f4
Publikováno v:
电力工程技术, Vol 43, Iss 3, Pp 52-62 (2024)
A coordinated control strategy for a variable-coefficient wind power full DC system to address problems such as reduced system inertia and insufficient frequency regulation abilities in the AC grid caused by the integration of wind power full DC syst
Externí odkaz:
https://doaj.org/article/f9e4d781b3e44002a59a1f501765bb3f
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 164, Iss , Pp 110370- (2025)
The performance of existing protection methods for multi-terminal direct current systems depends on the availability and sizes of boundary components. To overcome the limitation, this paper proposes a non-unit DC line protection method based on the n
Externí odkaz:
https://doaj.org/article/ba2575889b834f398546972f8f8251d9
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109954- (2024)
Concerning the oscillations in DFIG (doubly-fed induction generator)-connected flexible DC transmission system caused by large disturbances, an analysis method based on subsystem partitioning and dynamic energy modeling is put forward. Firstly, the c
Externí odkaz:
https://doaj.org/article/1b4fe9dcab844040ac057cabf40e46b0
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109957- (2024)
Conventional protection schemes for wind farm-flexible flexible direct current (DC) system transmission lines are susceptible to malfunctions in external fault scenarios and exhibit limited immunity to fault resistance in internal fault scenarios. In
Externí odkaz:
https://doaj.org/article/41aeaea323544dbd8d7cb6253f46b13f
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109972- (2024)
The issue of DC fault ride-through can now be resolved in a novel way thanks to flexible current limiting technology, but its practical worth cannot be realized due to flaws in the technology. This study examines the placement of a controlled current
Externí odkaz:
https://doaj.org/article/e416307e17874ef3a798c9b9cf082c57
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 4, Pp 1654-1663 (2024)
In order to accurately assess the risk of the hybrid AC/DC network under fault, a risk assessment method for the hybrid AC/DC system based on the transient energy function is proposed. First, based on the energy transfer relationship of the hybrid AC
Externí odkaz:
https://doaj.org/article/b8937d99b07e430d91f7d3e24b65a32e
Publikováno v:
Symmetry, Vol 16, Iss 10, p 1275 (2024)
Aiming at the problems of high peak value fault current, fast rising speed, and being unable to ensure the reliability of the power supply in the non-fault zone in a multi-terminal DC system, a new cascade flexible current limiter and mechanical DC c
Externí odkaz:
https://doaj.org/article/6228f3dacdca43558b55b7a51210d0f6