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Recently, voltage-source converter (VSC)-based high-voltage dc (HVDC) transmission systems have gained more attention. In this paper, a control method for a modular VSC-based HVDC transmission system with high-frequency isolation referred to as high-frequency isolated modular converter is proposed. In the high-frequency isolated modular converter configuration, several floating dc capacitors in all...
With the development of Modular structured Voltage Source Converters (VSC), Multi-Terminal DC (MTDC) transmission systems have now become a feasible solution to transmit power at high voltage which greatly improves the electric power transmission system. The MTDC grid has lower capital costs and lower losses than an equivalent AC transmission system. Thus for long distance power transmission MTDC...
In this paper, the operation of Voltage Source Converter (VSC) based Multi-Terminal DC (MTDC) transmission system consisting of three different power converter topologies is evaluated. The high frequency isolated modular converter is used as the VSC configuration for two terminals. The Modular Multi-level Converter (MMC) and three-phase AC/DC converters are also used as the VSC configuration for the...
Recently, Voltage Source Converter (VSC) based High Voltage Direct Current (HVDC) transmission systems have gained more attention. In this paper, a control method for a modular VSC based HVDC transmission system with high frequency isolation referred to as high frequency isolated modular converter is proposed. In the high frequency isolated modular converter configuration, several floating DC capacitors...
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