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Wyszukujesz frazę "voltage source converter (VSC)" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
A Review of LCC-HVDC and VSC-HVDC Technologies and Applications
Autorzy:
Oni, O. E.
Mbangula, K. I.
Davidson, I. E.
Powiązania:
https://bibliotekanauki.pl/articles/136148.pdf
Data publikacji:
2016
Wydawca:
EEEIC International Barbara Leonowicz Szabłowska
Tematy:
commutation failure
HVDC
line commutated converter
modular multilevel converter
voltage source converter (VSC)
Opis:
High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems. The efficiency and rated power carrying capacity of direct current transmission lines highly depends on the converter used in transforming the current from one form to another (AC to DC and vice versa). A well-configured converter reduces harmonics, increases power transfer capabilities, and reliability in that it offers high tolerance to fault along the line. Different HVDC converter topologies have been proposed, built and utilised all over the world. The two dominant types are the line commutated converter LCC and the voltage source converter VSC. This review paper evaluates these two types of converters, their operational characteristics, power rating capability, control capability and losses. The balance of the paper addresses their applications, advantages, limitations and latest developments with these technologies.
Źródło:
Transactions on Environment and Electrical Engineering; 2016, 1, 3; 68-76
2450-5730
Pojawia się w:
Transactions on Environment and Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unidirectional Protection Strategy for Multi-terminal HVDC Grids
Autorzy:
Mokhberdoran, A.
Silva, N.
Leite, H.
Carvalho, A.
Powiązania:
https://bibliotekanauki.pl/articles/136202.pdf
Data publikacji:
2016
Wydawca:
EEEIC International Barbara Leonowicz Szabłowska
Tematy:
DC circuit breaker
HVDC
Protection Device
voltage source converter (VSC)
Short-circuit
Opis:
Protection issue is identified as the main drawback of emerging multi-terminal HVDC grids. Multi-terminal HVDC grid demands fast short circuit fault current interruption. Fast DC circuit breakers as a promising solution can be implemented as either bidirectional or unidirectional devices. In addition to less implementation cost, the unidirectional DC circuit breakers have less power losses as compared to the bidirectional devices. A protection strategy for multi-terminal HVDC grid based on unidirectional breaking devices is discussed and assessed in this paper. The performance of unidirectional protection strategy is examined under different fault scenarios in a fourterminal MMC-HVDC grid model. Furthermore, the impacts of unidirectional protection strategy on power converters and also current interruption and surge arrester ratings of the DC circuit breakers are discussed.
Źródło:
Transactions on Environment and Electrical Engineering; 2016, 1, 4; 58-65
2450-5730
Pojawia się w:
Transactions on Environment and Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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