Evaluation of a novel primary tapped transformer in a high frequency isolated power converter topology

The concept of primary tapped transformers is new in high frequency power electronic converters. This paper evaluates a new converter topology which has been developed to implement a high frequency primary tapped transformer. It is shown that this topology can maintain a load voltage for a much wider source voltage variation without major sacrifices in efficiency. The effect of efficiency with variation of source voltage and duty cycle as well as the power quality of the converter is analyzed experimentally. This new topology is evaluated in terms of complexity, capability, feasibility and reliability. The power quality aspects are also addressed. Possible end users of such a topology design are also taken into consideration.