Demonstration of High-Efficiency Pulsed-Mode Operation of Commercial Continuous-Wave Magnetron

This study proposes a method to enhance magnetron efficiency by synchronously adjusting the filament current, magnetic field strength, and operating voltage. In addition, a pulse high-voltage magnetron output characteristic analysis system with tunable multioperating parameters is established to validate the effectiveness of the proposed approach. Simulation results demonstrate that the magnetron efficiency increases from 75.3% to 91.4%, while the output power is significantly improved from 2.18 to 14.8 kW. Experimental results further confirm that, under pulsed operating conditions, the efficiency increases from 74.8% to 90.1%, and the output power rises from 1.8 to 16.6 kW.