Current-Mode Control of a Distributed Buck Converter with a Lossy Transmission Line

Klaus Röbenack; Daniel Gerbet

doi:10.20944/preprints202407.0342.v1

Preprint Article Version 1 This version is not peer-reviewed

Version 1 : Received: 2 July 2024 / Approved: 3 July 2024 / Online: 3 July 2024 (14:14:09 CEST)

This article presents a buck converter in which the inductor has been replaced by a transmission line. This approach would be practically conceivable if the power supply and load have a greater spatial distance. In the time domain, this new converter can be described by a system of coupled partial and ordinary differential equations. In the frequency domain, a transcendental transfer function is obtained. For comparison with an equivalently parameterized conventional converter, Padé approximants are derived. A linear controller is designed for the converter topology under consideration.

switched-mode power supple; buck converter; step-down converter; transmission line; distributed systems; Padé approximants; PI control

Engineering, Electrical and Electronic Engineering

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Current-Mode Control of a Distributed Buck Converter with a Lossy Transmission Line

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