FIELD: electricity.
SUBSTANCE: proposed method consists in on-load voltage stabilisation with series converter from primary electric power source - solar battery, with output voltage close to maximum input voltage of series converter and with discharge converters from secondary electric power source - "n" accumulator batteries, coordination of primary and secondary electric power sources by means of charging converters and voltage limitation of solar battery at the pre-determined upper level. Besides there proposed is independent electric power system to implement the method, which contains solar battery connected to load through series converter, "n" accumulator batteries with control devices, charging converters, discharge converters; at that, each converter includes control circuit made in the form of pulse-width modulator containing measuring elements of load voltage, and control circuit of charging converters are connected to measuring shunts installed in power circuits of the appropriate accumulator batteries, and in addition, they contain measuring elements of solar battery voltage.
EFFECT: improving reliability of independent electric power supply system and use efficiency of primary restricted power source.
2 cl, 1 dwg
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Authors
Dates
2010-08-20—Published
2008-07-10—Filed