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Research on System Design and Energy Efficiency Optimization of Smart Agricultural Greenhouse Driven by Wind-Solar Hybrid Power

Author(s)

Xianyang Meng

Affiliation(s)

Tianjin Light Industry Vocational Technical College, Tianjin, China

Abstract

To address the issues of unstable energy supply and low energy efficiency in traditional agricultural greenhouses, this paper designs a scheme for a smart agricultural greenhouse system driven by wind-solar hybrid power. A distributed energy supply system composed of wind power and photovoltaic units is connected to the greenhouse, and a hybrid power supply system is formed in conjunction with energy storage devices and an energy management module, ensuring the stable power supply with full load for the greenhouse under various weather conditions. An intelligent control system composed of multiple sensors is used to monitor and adjust environmental parameters in the greenhouse, including temperature, humidity, light intensity, and CO₂ concentration. Meanwhile, the wind, photovoltaic, and energy storage units are comprehensively considered to utilize wind power, photovoltaic power generation, and power storage to meet the needs of agricultural production. In addition, by leveraging short-term weather forecasts and power consumption laws, the energy conversion efficiency of energy storage and wind-solar grid connection is optimized. The dynamic MPPT-LPTC control of the wind-solar hybrid system converter is adopted to achieve power matching for different crops at different growth stages, which fully utilizes renewable resources and realizes the win-win effect of energy capture and crop growth requirements. The energy balance capability and output feasibility of the system are verified through simulation with Matlab/Simulink software.

Keywords

Wind-Solar Hybrid System; Smart Agricultural Greenhouse; Energy Management; Energy Efficiency Optimization; Multi-Source Collaborative Scheduling

References

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