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A Novel Single Phase Current-Fed DC/DC Converter for Fuel Cell Applications

Seyedreza Aali(1*), D. Nazarpour(2)

(1) Urmia University, Iran, Islamic Republic of
(2) Urmia University, Iran, Islamic Republic of
(*) Corresponding author

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This paper describes development of a single phase current- fed DC/DC converter inform unidirectional with using an active clamp. The main feature of purpose converter consists of soft switching, minimization of conduction losses; high efficiency (approximately 98%) out voltage is 350 Vdc, turn ratio of transformer is reduced, input current ripple and output voltage ripple are reduced. It also improves EMI and containing less segment and simple of construction. For this converter is designed a novel PWM strategy and implements of a PI controller for voltage regulation. Fast dynamic response; enhance reliability and low Sensitivity is other feature of the proposed converter. Simulation has been done by PSCAD/EMTDC and it confirms efficiency of the proposed converter.
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Active Clamp; Fuel Cell; ZVZCS; Unidirectional

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