Zobrazeno 1 - 10
of 9 447
pro vyhledávání: '"vsc"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 10, Pp 114-123 (2024)
To achieve simple and reliable single-phase grounding fault protection on the AC side of VSC-HVDC systems, this paper focuses on systems where the neutral point of the converter valve's AC side is impedance-grounded. The zero-sequence fundamental c
Externí odkaz:
https://doaj.org/article/93fd5df077544be08df1b9b4542a59e6
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 94-102 (2024)
In VSC-HVDC system for new energy island, surplus power consumption in the system during fault ride-through (FRT) is achieved by employing grouped AC energy-dissipating resistors of equal capacity. However, the presence of an excessively powe
Externí odkaz:
https://doaj.org/article/38b6cd72b1ee4edca95704c6e5eb1e75
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 10-19 (2024)
For the VSC-HVDC system transmitting new energy, poor parameter matching between the new energy controller and the VSC-HVDC controller can lead to sub-synchronous and super-synchronous oscillation. To address this, an open-loop strategy based on
Externí odkaz:
https://doaj.org/article/692f1834f59c46dfbacc353c8f77fdc7
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 103-110 (2024)
To delve into the mechanism behind wideband oscillation instability in voltage source converter based high voltage direct current (VSC-HVDC) transmission system and swiftly assess system stability with precision, a modeling method and a stabili
Externí odkaz:
https://doaj.org/article/f520dfd8ddf842daaeb93c08f7287e58
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
As the proportion of renewable energy generation continues to rise, the study of voltage source converter (VSC) control has become a focal point of research. The concepts of emulating the characteristics of synchronous machines have led to the propos
Externí odkaz:
https://doaj.org/article/cb76f8496d7a4da8a9a2f82bf87e680e
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110058- (2024)
The VSC-based HVDC networks have become a reliable candidate for integrating renewable energy resources over long distances. However, the development of these networks faces protection challenges against DC short-circuit faults, where fault detection
Externí odkaz:
https://doaj.org/article/b394655ab17048aba6d5bd137a2995e4
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Current researches mainly focus on the participation of wind farms in primary frequency regulation, including overspeed load shedding control, propeller control and their coordinated control, etc. The frequency support is realized by reserving reserv
Externí odkaz:
https://doaj.org/article/23b9767bee7340078ce90108d2ec4e2a
Autor:
Jesus H. Sanchez, Luis M. Castro
Publikováno v:
IEEE Open Access Journal of Power and Energy, Vol 11, Pp 241-253 (2024)
This paper presents the dynamic phasor-based modeling of three-phase voltage-source converters (VSC) operating as static var compensators (STATCOM). The generalized averaging theory is used to represent the DC, 1st, and 2nd harmonics of the converter
Externí odkaz:
https://doaj.org/article/9ad3dd83139344439ddd9abc047f2a22
Publikováno v:
Proceedings on Engineering Sciences, Vol 6, Pp 711-722 (2024)
Increased demand in renewable power move towards the balancing conventional dependent energy source lead the increase in technical development in reliable power generation. This model contains the wind speed variation, capacity, uncertainty, and prod
Externí odkaz:
https://doaj.org/article/80e6d2477a1643989389aa0a31f84341
Publikováno v:
电力工程技术, Vol 43, Iss 3, Pp 2-11 (2024)
Photovoltaic field connected to the grid via voltage source converter based high voltage direct current (VSC-HVDC) transmission is an important trend in the future development of the power system, but there is a risk that the interaction between phot
Externí odkaz:
https://doaj.org/article/a12efb077fb84d9ca3f923c2a0f8e777