Abstract
Relevance. In cloudy weather, the use of solar energy for power supply to consumers without the use of energy storage devices is impossible. Known electrical consumers for which power supply may be at intervals. But at these intervals, you need to supply them with a rated voltage. Such a consumer is, for example, a waterlifting installation for an irrigation system with a capacity of 3 m³/h from a depth of up to 90 m and a power consumption of 1500 W.Methods. Modeling of the process of accumulating electricity from a solar power plant and its transmission to an electric consumer.Results. It is proposed to use an electric power storage device based on supercapacitors with the return of the rated voltage to the consumer at certain intervals. At the same time, if a solar power plant produces enough energy, then the electric consumer is connected directly to it, if not enough— first the supercapacitors are charged, then the return of electricity from them. The method of calculating the capacity, charge time and the number of supercapacitors in the storage is given. The parameters of the storage device for cyclic power supply of the water-lifting installation for 60 seconds are calculated. in cloudy weather , with the supply of 50 liters of water in these intervals.
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