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This paper presents an improved design space for AC/DC converters utilizing 1,000V SiC MOSFETs by taking advantage of their low conduction and switching losses in a simple and cost-effective two-level topology. An efficiency- and cost-optimized 20 kW hardware prototype Power Factor Correction (PFC) is designed, implemented, tested, and compared against similarly rated AC/DC converter topologies with...
This paper discusses an isolated medium voltage AC/DC power supply based on multi-cell converter approach for an information and telecommunication (IT) system. A multi-cell converter approach can reduce number of conversion stage by accepting medium-voltage (MV) input directly. Thus, IT system can reduce total size. In addition, due to applying high frequency transformer to converter cells, it is...
Vehicle to grid (V2G) has great potential in smart grid and electrical market as it can decrease the fluctuation of power grid. The bidirectional converter plays a very important role in V2G techniques since it makes the bidirectional power flow possible. In order to precisely control the active and reactive power to grid, the PQ theory is commonly used. But it contains large computational burden...
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