Solid state rf energy sources of dielectric heating installations
DOI:
https://doi.org/10.14529/power180109Keywords:
dielectric heating, RF power source, dielectric heating installation, solid-state RF generator, magnetron, RF transistorAbstract
Energy sources for RF heating installations are often based on the vacuum generators – magnetrons, however, such sources of microwave energy have certain disadvantages. As an alternative option for a magnetron-based energy source, the scheme of a new energy source of microwave dielectric heating based on semiconductor devices (solid-state microwave generators) is presented in this paper. It is shown that a solid-state source of RF energy has advantages compared with magnetron-based energy sources of dielectric heating installations: the possibility of gradual changes in the level of generated power and lower voltages power supply. In addition, the solid-state generator allows one to build a broadband microwave dielectric heating installation. The article provides recommendations for the use of semiconductor devices as a reference generator and a powerful amplifier of microwave energy. By applying the recommendations, a solid-state energy source was calculated on the basis of commercially available semiconductor devices. In addition, a microwave power solid state generator is designed comparable with magnetron-based energy sources in terms of their power.References
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