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DESIGN OF A RESONANT SOFT SWITCHING POWER SUPPLY FOR STABILIZED DC IMPULSE DELIVERY

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Author(s)
Seltzman, Andrew
Advisor(s)
Venkataramanan, Giri
Degree
MS, Electrical Engineering
Date
May 20, 2012
Abstract
This thesis addresses the issues involved in the design and construction of a multiphase resonant switching power supply for delivery of a high voltage, high current stabilized DC impulse. Such a power supply may be used in place a pulse forming network (PFN) to drive a high power klystron amplifier, which typically requires voltages near -100kV at 10s of amps of current. Unlike an LC PFN, a switchmode power supply (SMPS) allows greater control over pulse duration while still allowing generation of longer duration pulses on the order of 10ms with constant output voltage by use of feedback regulation. Specifically, the thesis documents the results from the design of a loosely coupled boost transformer with a parallel LC resonator on the secondary, a microcontroller based control system for feedback stabilization and techniques of harmonic mitigation to reduce switching noise on the output waveform.
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http://digital.library.wisc.edu/1793/62123 
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