Analysis, design and experimentation with a four-element resonant immittance converter topology as a constant-current power supply
by Saylee Koli; Mangesh Borage; Sunil Tiwari
International Journal of Power Electronics (IJPELEC), Vol. 9, No. 4, 2018

Abstract: Resonant immitance converters (RICs) belong to a newly identified family of the resonant converters exhibiting unique characteristics with the help of which a voltage source can be converted to a current source and vice versa. Therefore, RICs are suitable for applications that demand a constant-current (CC) power supply. A fourth-order T-type RIC topology, T₅, is analysed in this paper. Detailed steady-state analysis using fundamental frequency ac analysis is presented providing a detailed insight into the converter characteristics. Analytical results have been used to derive closed-form expressions for calculating the component values and ratings following a converter optimisation. The correctness of analysis is validated by developing and testing a 500 W, 109 kHz laboratory prototype converter.

Online publication date: Mon, 01-Oct-2018

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