Abstract
In this letter, a new non-isolated high gain DC-DC converter topology is proposed to attain the high-voltage conversion ratio. The high-voltage conversion ratio is achieved without utilizing the coupled inductors and any transformers. The proposed topology utilizes a single power semiconductor switch and its operation is examined under continuous conduction mode (CCM), discontinuous conduction mode (DCM) and boundary conduction mode (BCM). The theoretical analysis and design procedure for passive components are provided with mathematical expressions. The validity of the theoretical analysis is examined by using a laboratory prototype of the proposed converter with a power rating of 200 W. The experimental results are taken under CCM with a 60% duty cycle. The proposed topology is also examined with dynamic changes in duty cycle value and load values. The efficiency and power density of the proposed converter are 90% and 1.03kW/L.
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