Transformerless DC/DC Converters for High Gain using Switched Inductor

Journal: GRENZE International Journal of Engineering and Technology
Authors: Priya Thomas, Aishwarya V
Volume: 3 Issue: 2Special Issue
Grenze ID: 01.GIJET.3.2Special Issue Pages: 36-44

Abstract

Oil and electricity prices have been soaring as the supply of global energy is increasingly becoming deficient. The limited availability of energy sources have become an inevitable global problem. With global energy shortage, distributed energy sources such as photo-voltaic cells, fuel cells, wind energy, micro turbine generators, etc., are now widely promoted around the world. The renewable energy grid connected power system with photo-voltaic and fuel cells calls for high step-up and high efficiency DC/DC converters because the low voltage generated by these energy sources should be boosted to a high voltage for inverter to feed the AC utility. A transformerless DC - DC high step up switched inductor converters is used here, which combines the passive and active switched inductor unit , which has the advantages like high voltage conversion ratio, low voltage stress across the switches, low conduction loss on switches, and easy to control . Analysis and comparison of various switched inductor based converter is also done in this paper.

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