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This paper presents a technique of series injection of auxiliary source to boost the effective input voltage of flyback converter, which increases voltage gain and reduces flyback inductor current, resulting in improved power density. Two such circuits, developing the auxiliary source by the magnetic energy trapped in the clamping circuits, are designed. Hence, the clamped energy is recycled by feeding...
Power decoupling is required to balance the difference between constant power at PV side and double frequency pulsating power at load side in single phase AC system. The balance power is generally handled by circuit passives. This paper proposes decoupled power control for grid connected PV systems using an embedded decoupling capacitor in a doubly grounded boost buck (Ćuk) derived micro inverter...
This paper presents the analysis and design of a non-isolated, current-fed buck-boost DC-DC converter. The converter is capable of performing both buck and boost operations with zero-ripple input current. An active-clamp circuit is used to recycle the energy stored in the leakage inductance, which minimizes the voltage stress of main switch and provides zero-voltage switching at turn-on. The circuit...
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