Design of a high voltage pulse power supply
A study on high voltage transformers
O.F.J. Krugers Dagneaux (TU Delft - Electrical Engineering, Mathematics and Computer Science)
M. aan Corradetti (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Mohamad Gaffarian Ghaffarian Niasar – Mentor (TU Delft - High Voltage Technology Group)
Henk van van Zeijl – Mentor (TU Delft - Electronic Components, Technology and Materials)
L.F.A. Wymenga – Mentor (TU Delft - Electronic Components, Technology and Materials)
Jan van Turnhout – Mentor (TU Delft - Team Erik Offerman)
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Abstract
This report covers the design of a high voltage power supply that is designed for seed disinfection applications using plasma activated water (PAW). The goal is to have a safe and reliable pulse power supply that can be used to power a Dielectric Barrier Discharge (DBD) load. Multiple setups were designed and analyzed. Different transformers were designed and compared with differing core dimensions, inner radius, number of windings and type of winding. Furthermore, a bipolar driver was built and tested. The results demonstrate that the current design is a solid foundation for small-scale plasma-activated water generation and that it can be scaled with a segmented setup consisting of multiple smaller loads. Future iterations should focus on improving thermal dissipation, switching efficiency, and transformer insulation.