This original paper deals with a new approach for the study of behavior in nonlinear regime of a new three-phase high voltage power supply for magnetrons, used for the microwave generators in industrial applications. The design of this system is composed of a new three-phase leakage flux transformer supplying by phase a cell, composed of a capacitor and a diode, which multiplies the voltage and stabilizes the current. Each cell. in turn, supplies a single magnetron. An equivalent model of this transformer is developed taking into account the saturation phenomenon and the stabilization process of each magnetron. Each inductance of the model is characterized by a non linear relation between flux and current. This model was tested by EMTP software near the nominal state. The theoretical results were compared to experimental measurements with a good agreement. Relative to the current device, the new systemprovides gains of size, volume, cost of implementation and maintenance which make it more economical.
In this article we will evaluate a new validation approach of electrical functioning of a microwave generators powering one magnetron. This new energetic validation of π quadruple model with MATLAB-SIMULINK code will lead to validate the nominal functioning of the power supply for one magnetron by compares the signals obtained by simulation with those obtained experimentally. From this model, we will establish the energy balance of power supply for one magnetron and compare the obtained performances with that found by the experiment. Based on the fluxes found by simulation which is in good agreement with that experimentally, we checked the law of fluxes conservation.
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