TY - JOUR
TI - Application of solar heating system in high-tech enterprises under the photovoltaic industry chain
AU - Sun Yixiang
AU - Geng Nana
JN - Thermal Science
PY - 2021
VL - 25
IS - 4
SP - 3021
EP - 3030
PT - Article
AB - 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.