A High-Voltage Power Source for a Pulse Modulator

Abstract

To feed a pulse modulator with quickly changing pulse duration, it is necessary to have a power supply source that will ensure voltage stability at uneven energy consumption due to rapid changes in pulse duration. A pulse modulator is an electrical device designed to convert the energy of mains-frequency voltage to the energy of high-voltage pulses. The power supply source wiring diagram compliant with energy-saving requirements consists of an adjustable mains rectifier, a primary energy storage adjusted by pulse-width modulation (PWM), a high-frequency (HF) bridge inverter, a stepup transformer, a high-voltage (HV) rectifier, and an intermediate secondary storage running in the saturation mode of a time-adjustable HV HF compensatory voltage stabilizer based on a hard-controlled switch, e.g., an electron beam valve or an assembly of HV transistors that provide cutoff of the charging current of the output storage capacitor of the resonant charging circuit of formative lines upon reaching the rated voltage value. The power supply source will have a servo system of charge voltage control and an efficiency of at least 95%. Computerized modeling allows optimizing the design parameters of electrical elements of the power supply source circuit and types of component parts of the circuit’s electrical elements so as to achieve the minimum prime cost and maximum reliability. The best kind of modeling is in EWB and Multisim.