FIELD: electricity.
SUBSTANCE: portable radio station power supply device comprises the first and second accumulators, external charging device, the first, second and third electronic switches, unit of voltage and current monitoring, indication unit, unit of device operation modes control, step-up voltage converter in the form of a unit made of inverter, a step-up transformer, a rectifier and a smoothing filter, to output of which DC loads (portable radio stations) are connected, and the external charging device is connected to the input of the third electronic switch.
EFFECT: increased duration and continuity of portable radio stations operation in field conditions, provision of the possibility to generate several nominal values of power supply voltage and improved power quality.
1 dwg
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