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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/25706

Title: A Series-parallel Resonant Converter for Electrochemical Wastewater Treatment
Authors: Klement, Kathryn
Advisor: Dawson, Francis P.
Thorpe, Steven J.
Department: Electrical and Computer Engineering
Keywords: resonant converter
modeling and control
electrochemical cell model
power supply
pulsed power converter
Issue Date: 3-Jan-2011
Abstract: Advantages of electrochemical wastewater treatment over conventional wastewater treatment include its smaller footprint, modularity, and ability to meet increasingly stringent government regulations. A power supply that can be packaged with an electrochemical stack could make electrochemical wastewater treatment more cost-effective and scalable. For this application, the series and series-parallel resonant converters are suitable power converter candidates. With an output current specification of 100A, the series-parallel resonant converter (SPRC) is superior due to its simpler output stage. The thesis presents the design of a 500W SPRC for a wastewater treatment cell stack. A rudimentary cell model is derived experimentally. The closed loop analysis, controller design and simulation results are presented. The output voltage and current are estimated using sensed quantities extracted from the high voltage, low current primary side. Low voltage experimental results verify the operation of the power stage and voltage estimation circuitry in open loop pulsed operation.
URI: http://hdl.handle.net/1807/25706
Appears in Collections:Master
The Edward S. Rogers Sr. Department of Electrical & Computer Engineering - Master theses

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