PSpice and Simulink co-simulation for high efficiency DC-DC converter using SLPS interface software

Abstract

In this paper, a high efficiency full bridge current-fed DC-DC converter for fuel cell applications has been analysed based on co-simulation of PSpice simulator and Simulink using the SLPS interface program. For comparison the simulation of the converter and its control is first realized in PSpice software and integrated with the PWM circuit in Simulink via SLPS software. In a second step, the converter is simulated using PLECS, integrated with Simulink. Both simulation platforms are tested and selected analytical results are shown for comparative purposes. The comparison shows that the PSpice software is the only proper way to conserve the detailed representation of the power-electronic circuit and can be used to accurately predict the steady-state and transient performance of the converter accurately. Finally, in order to regulate the input current and the output voltage of the converter a two-loop controller has been designed using the Control Toolbox in Simulink, validated through SLPS co-simulation.