Zobrazeno 1 - 10
of 25 062
pro vyhledávání: '"« HVDC»"'
Autor:
Farzin Gharaghani, Mehdi Asadi
Publikováno v:
IET Power Electronics, Vol 17, Iss 15, Pp 2549-2560 (2024)
Abstract Modular multilevel green converter based high voltage direct current (MMC‐HVDC) transmission system has become a practical solution to interconnect renewable energy sources to main AC grids. Connecting the MMC to a weak AC system is still
Externí odkaz:
https://doaj.org/article/295069fdc84d4caeb6f145b4ac9b5dfb
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 1943-1959 (2024)
Abstract The modular multilevel DC–DC transformer (MMDCT) provides a reliable solution to overcome the challenges of conventional dual‐active‐bridge converters in terms of power semiconductors ratings and dv/dt stress on transformer coupling wi
Externí odkaz:
https://doaj.org/article/8cd14486411546cabe9c7d3fdf5b970c
Publikováno v:
Plant Methods, Vol 20, Iss 1, Pp 1-18 (2024)
Abstract Background The use of renewable energy for sustainable and climate-neutral electricity production is increasing worldwide. High-voltage direct-current (HVDC) transmission via underground cables helps connect large production sides with consu
Externí odkaz:
https://doaj.org/article/e8589690dcca416ba7540bf1feab76b8
Akademický článek
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Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 22, Pp 3555-3566 (2024)
Abstract The lightweight of modular multilevel converter (MMC) and the DC faults ride‐through ability are main challenges for MMC‐high voltage direct current (HVDC) transmission systems. By introducing the concept of time‐division multiplexing,
Externí odkaz:
https://doaj.org/article/4eb67533f06349b494ee7e851245d9ca
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 15, Pp 3003-3019 (2024)
Abstract The flexible interconnection device (FID) offers significant advantages for interconnecting different distribution networks flexibly. This paper focuses on the significant advantages offered by the FID for interconnecting different distribut
Externí odkaz:
https://doaj.org/article/e9058ff5d393419593490e327054159e
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 1736-1748 (2024)
Abstract In a modular multilevel converter (MMC) system, the sub‐module capacitors account for a large proportion of the cost, volume, and weight. This paper proposed a method to reduce the total capacitance of MMC based on the combination of boost
Externí odkaz:
https://doaj.org/article/d681cfee1d5548b2b3c2d6b8df08f26a
Autor:
Saeed Najafpour, Reza Ghandehari
Publikováno v:
IET Power Electronics, Vol 17, Iss 14, Pp 2095-2108 (2024)
Abstract The voltage reinjection strategy is an effective solution to improve the voltage quality of the voltage source inverters for high‐power applications. In this article, the fundamentals of voltage reinjection strategy are analyzed to reduce
Externí odkaz:
https://doaj.org/article/6b7ca7df02b44f83894006c858a097fb
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
Autor:
Beopsoo Kim, Insu Kim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-33 (2024)
Abstract The purpose of this study is to provide data for the best possible circuit breaker allocation in power grids with HVDC transmission while taking circuit breaker failure into account. The lack of a suitable selection of HVDC circuit breakers
Externí odkaz:
https://doaj.org/article/3e91d66feb8b415c8e4929395491bd97