Compact Magnetron Power Supply for Industrial Heating Applications

This paper proposes a 100kHz Silicon, Carbide based, 8.1kW magnetron power supply for industrial heating applications. Operation at this high frequency along with transformer optimization results in a smaller physical footprint, which is advantageous in some heating applications, such as those undertaken offshore. Simulation work using an electrical model for the Magnetron is used to demonstrate the effectiveness of the control methodology presented and the experimental verification is ongoing. This power supply can also be scaled up for use in magnetrons over 100 kW.