FIELD: unmanned aerial vehicles.
SUBSTANCE: device for power supply of a tethered unmanned aerial vehicle contains a ground power source connected by an output to the first end of a power cable connected by its second end to the first input of the first step-down converter located on board the aircraft with a control PWM controller, a second step-down converter, a voltage distributor, a resonant step-up dc /dc converter, first and second error signal conditioners, connected in a certain way.
EFFECT: increased efficiency of aircraft power supply.
1 cl, 1 dwg
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