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A novel high voltage pulsed power supply based on low voltage switch-capacitor units

By Sasan Zabihi, Firuz Zare, Gerard Ledwich and Arindam Ghosh

Abstract

This paper presents a high voltage pulsed power system based on low voltage switch-capacitor units connected to a current source for several applications such as plasma systems. A buck-boost converter topology is used to utilize the current source and a series of low voltage switch-capacitor units is connected to the current source in order to provide high voltage with high voltage stress (dv/dt) as demanded by loads. This pulsed power converter is flexible in terms of energy control, in that the stored energy in the current source can be adjusted by changing the current magnitude to significantly improve the efficiency of various systems with different requirements. Output voltage magnitude and stress (dv/dt) can be controlled by a proper selection of components and control algorithm to turn on and off switching devices

Topics: 090600 ELECTRICAL AND ELECTRONIC ENGINEERING, Pulsed power supply, High voltage stress, Current source, Switch-Capacitor units, Plasma
Publisher: IEEE (Institute of Electrical and Electronics Engineers, Inc.) & IET (The Institution of Engineering and Technology)
Year: 2009
OAI identifier: oai:eprints.qut.edu.au:31169

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