Power supply control method and power supply device for electron beam generating system of electron beam bombardment furnace
A technology of electron beam bombardment and generation system, which is applied in the field of power supply device and electron beam generation system power control of electron beam bombardment furnace. The effect of reducing harmonic components and improving utilization
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[0043] The power control method of the electron beam generation system of the electron beam bombardment furnace of the present invention is as follows:
[0044] The electron beam acceleration power supply adopts thyristor soft start and soft stop to realize the smooth rise and fall of the acceleration voltage during the start and stop process; the acceleration power supply of the melting process adopts open-loop control, and the input terminal of the booster main transformer is directly connected to the three-phase mains, and the input voltage is a complete three-phase power supply. Phase sine wave, after boosting, the uncontrollable DC high voltage is obtained by six-phase twelve-pulse full-wave rectification. The input current waveform of the booster main transformer is approximately sine wave; the DC high voltage output terminal is connected with a sampling circuit to output accelerated voltage sampling respectively Signal U a And the electron beam sampling signal I b . The inp...
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