Digital control of a zero-current switching quasi-resonant boost converter

The most important component of a closed-loop industrial control system is the communication unit located between a digital controller and the object being controlled. A pulse converter is usually used for this purpose in systems operating under pulse width modulation. However the dynamic characteristics of the converter bring a significant impact on the quality of the system regulation. This article discusses the design and implementation a closed-loop digital automatic control system for a zero-current switching quasi-resonant boost converter. It enables a high-speed transient process of the controlled object voltage having the advantages provided by pulse methods of electrical energy conversion. This paper also presents the simulation and experimental verification of the proposed approach.

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