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A single stage high gain Buck-Boost inverter (BBI) for photovoltaic application is proposed in this paper. The proposed topology is with simple circuit and low switch count. The three-winding tapped inductor is applied to attain high gain feature. One-cycle control (OCC) is adopted to obtain superior source ripple rejection. The paper presents the detail operation principle of the proposed topology,...
A high gain single stage buck-boost inverter (SSBBI) is proposed in this paper. The proposed topology has low semiconductors count, only four switches. The tapped inductor is applied to attain high gain feature. One-cycle control (OCC) is adopted to control the SSBBI and attain superior source ripple rejection. The paper presents the operation principle of the proposed topology, and the derivation...
This paper introduces a high-gain single-stage boosting inverter (SSBI) for alternative energy generation. As compared to the traditional two-stage approach, the SSBI has a simpler topology and a lower component count. One cycle control was employed to generate ac voltage output. This paper presents theoretical analysis, simulation and experimental results obtained from a 200 W prototype. The experimental...
This paper introduces a cost-effective isolated micro-inverter for photovoltaic applications. The proposed topology is comprised of a cascaded dual-output flyback DC-DC converter and an OCC controlled half-bridge inverter. The advantages of the proposed micro-inverter include low active switch count, galvanic isolation, and excellent DC-AC power decoupling. The paper presents theoretical analysis,...
This paper introduces a high gain Single-Stage Boosting Inverter (SSBI). The proposed topology can be used for alternative energy generation and particularly in photovoltaic applications. As compared to the traditional two stage approach, SSBI has a simple topology, low decoupling capacitor and low component count. SSBI employs One Cycle Controller to generate its AC output and attain DC-AC power...
This paper suggests a design procedure of LLC resonant converter with capacitive filter based on an equivalent ac resistance model of the rectifier valid for Discontinuous as well as for Continuous Conduction Modes. The dc voltage conversion ratio plots are presented. LLC dc-dc converter design aids and guidelines are suggested. The theory is verified by simulation and experiment.
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