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For wind farms in near sea, in which doubly-fed induction generator (DFIG) runs, located at different site respectively, multi-terminal VSC-HVDC (Voltage Source Converter based HVDC) helps to resolve connection for each other and transmitting electrical power into main grid. The paper models wind farms, VSC-HVDC, designs control system and specially takes their control together into account in order...
The paper models VSC-HVDC (voltage source converter based HVDC) on rectangular coordinate, on which presents control strategy and designs corresponding regulators. In addition, transformation of symmetric component is used to getting negative sequence components aiming at unsymmetrical instantaneous faults at AC side. On PSCAD/EMTDC, whole control system, including VSC-HVDC, AC system and control...
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