FIELD: electricity.
SUBSTANCE: source comprises two input AC/DC voltage converters and output DC/DC voltage converters, converters control system and accumulator battery (AB). Output of the first input AC/DC voltage converter is coupled through a diode to the load, and output of the second output converter through another diode to the AB. The output DC/DC voltage converter is coupled between cathodes of the above diodes downstream the input converters. An electronic switch and output contactor is coupled in parallel to the output DC/DC voltage converter.
EFFECT: uninterrupted power supply in case of failure of any own units of the power supply source.
3 dwg
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