Abstract:
Due to environmental conditions, solar power generating systems (SPGS) output power changes dramatically, affecting power distribution system stability and reliability. A power smoothing SPGS is proposed in this paper.
A solar cell array, battery set, DIBBDAI, and boost power converter make up the proposed SPGS. DIBBDAI combines voltage boost, buck, and DC-AC power conversion. Between the solar cell array and battery set, the BPC charges batteries.
The suggested SPGS converts DC electricity from the solar cell array or battery set into AC power using one power stage. The solar cell array charges the battery set in one power stage. This boosts solar cell array, battery, and utility power conversion efficiency.
In order to smooth SPGS output power, the battery set is charged/discharged when the solar cell array output power fluctuates greatly. The DIBBDAI also reduces solar cell array parasitic capacitance-induced leakage current.
The suggested power conversion interface improves SPGS power efficiency, smoothes power fluctuation, and reduces leakage current. The suggested SPGS is tested with a hardware prototype.
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