Abstract: All-dc offshore wind power system is a promising solution for long distance and high-power transmission. This paper proposes a series-parallel connected DC collection topology for all-dc ...

Abstract: The series-parallel structure of multiple LCC/MMCs in hybrid cascaded HVDC (HC-HVDC) system facilitates flexible power transmission to different load areas, however, could introduce ...

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As the brain ages, cells in the central nervous system experience metabolic dysfunction and increased oxidative damage. These cellular issues impair the ability to maintain the myelin sheath (the ...