Improvement of power conditioning for a pulsed plasma source applying the storage inductor of variable inductance

One of the key difficulties in forming pulses of given durations and shapes as well as power magnitudes by power supplies with storage inductors for low temperature plasma applications is the impedance mismatch between a supply and its load. In the paper a power supply system with variable direction of the current density vector in the active volume of the energy store conductor is considered. It is shown that change in the current density vector direction affected by a supplementary power source after the opening switch performance results in a fall of the energy store inductance value and, therefore, the time constant of the discharge. During this process increased power is delivered to the plasma load from the whole volume of the storage inductor. The space-time electrodynamic, gas dynamic and thermodynamic characteristics of the discharges are obtained with the use of the MHD approach and numerical simulation.