FIELD: electric arc-jet engine units, plasma accelerators, and generator units.
SUBSTANCE: converter cells are divided into two groups. All cells limit discharge current under short-circuit conditions. In addition, cells of one group regulate discharge voltage and those of other group stabilize cathode heater current; operation thresholds with respect to discharge current are different for all cells so that only one cell may be run in limiting mode at a time.
EFFECT: reduced input current ripples and noise, input filter mass, and maximal power requirement of device.
1 cl, 2 dwg
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