SIMULINK Simulation Model of Power Supply Rectifier Circuit with Four Diodes

This article presents a SIMULINK simulation model of a power supply rectifier circuit implemented using four diodes in a bridge configuration. Developed in MATLAB 7.0, the model employs semiconductor device blocks to accurately represent diode characteristics, enabling comprehensive performance analysis and optimization of rectifier circuits. Through this simulation framework, users can observe the operational principles of bridge rectification, monitor real-time current and voltage waveforms, and analyze key parameters like ripple factor and conversion efficiency. The model incorporates adjustable circuit parameters including load resistance, filter capacitance, and input voltage specifications, allowing engineers to systematically optimize rectifier performance for improved efficiency and stability. The simulation utilizes MATLAB's Power System Blockset for accurate component modeling and implements control algorithms for dynamic parameter adjustment. This educational and research-oriented tool helps students and researchers deepen their understanding of rectifier circuit operation, waveform analysis techniques, and performance characteristics through hands-on simulation experiments.