Implementation of high-gain nonisolated DC-DC converter for PV-fed applications

Abstract

A unique nonisolated converter using solar source as input is depicted in this paper. The presented design is an amalgamation of SEPIC converter and voltage tripler structure to attain high static gain voltage. The converter operates by solitary switch, and the voltage strain is less. The input current is continuous, and hence, huge filters are not utilized. Henceforth, the proposed converter is suitable for renewable application. The presented converter is associated to the PV source input and DC load source. The hardware sample of the presented converter along with the PV simulator is tested under laboratory. The prototype of a 30-V input source to 400-V source output developed 400 W, and the performance of the designed topology is evaluated. The theoretical and hardware results accomplish that this converter is apt for high-voltage solicitations.