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High voltage dc (HVDC) systems act as the prevailed solution for transmitting offshore wind energy to onshore main grids. Control of the voltage source converters (VSC) in HVDC systems is decisive for the performance. This paper proposes the control of VSC-HVDC with electromechanical characteristics and unified primary strategy, as a reaction to the updated requirements of the ac grid transmission...
With increasing applications of voltage source converter-based HVDC (VSC-HVDC), the potential risk of subsynchronous torsional interaction (SSTI) between turbogenerator and VSC-HVDC has been extensively studied in previous work. However, contradictory results were reported by different researchers. Unlike previous studies, wherein the oversimplified models of VSC and generator were used, this paper...
This article demonstrates use of voltage source converter high voltage direct current (VSC-HVDC) and wide area controllers to improve power system stability. VSC-HVDC uses vector control and has a supplementary controller. Wide area controller with time delay compensation regulates the excitation of generator. VSC-HVDC model is introduced. The method of coordinated design of VSC-HVDC controllers and...
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