Abstract
This article designs a simple experimental training platform for high-tech enterprises to charge solar photovoltaic power generation lead-acid batteries. The platform comprises photovoltaic panels, charge controllers, valve-regulated lead batteries, and varistor box loads, indicating that the solar photovoltaic industry is high-tech, the scope and significance of application in technology companies. On this basis, the article replaces the first-order derivation with approximate gradient calculation and proposes a variable-step voltage disturbance observation method to realize the maximum power point tracking of solar photovoltaic power generation. The simple experimental training platform for high-tech solar photovoltaic power generation lead-acid batteries uses STM8S105 single-chip micro-computer as the controller core while adopting the Buck DC step-down chopper primary circuit, combined with the lead-acid battery four-stage charging method, for system hardware and software design. The experimental test shows that the experimental training platform has maximum power point tracking function, low cost, simple structure, good performance, easy operation, and maintenance, and can meet high-tech enterprises? experimental training requirements.
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