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The dual active bridge converter is examined as the DC/DC stage of a battery charger for the plug-in hybrid electric vehicle where both load voltage and load current have very wide operating range. The load current for sinusoidal charging scheme could swing down to zero. To optimize the battery charger under this charging scheme, a DAB loss model over wide load range is needed. Traditional DAB analysis...
This paper discusses reactive power compensators from the point of stored energy amount in the capacitor or inductor, and proposes a full-bridge configuration of semi-conductor switches with reduced equipped capacitance for reactive power compensation and its application to the shunt type static var compensator. By applying this concept, the STATCOM can be achieved with reduced sized capacitor. Additionally,...
This paper describes a buck derived isolated DC/DC converter topology that includes a half-bridge of switching devices which are asymmetrically controlled so that the top and bottom switches are opened at mutually exclusive times. The center-tap of this half-bridge is connected to the primary winding of the isolation transformer along with a series connection of a small resonant inductor and half-bridge...
A high intercept points, cost-effective, and power-efficient switching FET double balanced mixer (DBM) is reported. The Switching FET DBM demonstrated in this work offers input intercept points (IIP3) and conversion loss typically 44 dBm and 8.5 dB respectively with 15 dBm LO power for the frequency band (RF: 900-2150 MHz, LO: 850-1950 MHz, IF: 50-200 MHz). The measured interport isolation is typically...
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