Article
Soft-Switched Interleaved Buck Converter with Closed Loop Control
Design, modeling and simulation of a closed loop control system exhibits its function on an interleaved buck converter with soft switching. Among the features of the closed loop system there exist two fundamental benefits: reduced switching losses together with parallel-connected converter current sharing. Owing to PWM technology the control system for the converter receives its design structure. Dynamic stability and transient response improvement in the converters relies on current mode control-based controller parameters. The parallel operation between zero current switching converters functions because of resonant components that maximize efficiency while minimizing voltage and current oscillation. MATLAB/Simulink serves as the platform for analyzing and designing and running performance tests of the system. The actively controlled system demonstrates fast dynamic behavior in its operation through a PID controller design process that can be observed in simulation tests. A PIC16F877A microcontroller serves as the foundation when developing the Buck converter lab prototype to verify the controller platform.
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