东营市某5MW屋顶分布式光伏发电项目的设计OA

Driven by the accelerated transformation of the global energy structure and China's goals of emission peak and carbon neutrality,in order to promote the low-carbon transformation of enterprise energy consumption structure,this paper proposes to construct a 5 MW rooftop distributed PV power generation project using the rooftop resources of a high energy consuming enterprise in Dongying City.Firstly,based on the characteristics of the rooftop of the factory building,a design scheme for its distributed PV power generation system is proposed from four perspectives:core equipment selection,PV bracket selection,PV array design,and power generation performance evaluation.Then an analysis is conducted on the configuration of the energy storage system.Finally,an analysis is conducted on the environmental benefits of this project.The research results show that:1)This PV power generation system design adopts mono-Si PV modules with a peak power of 580 W,a string inverter with a rated output power of 100 kW,a steel fixed PV bracket,and an optimal installation tilt angle of 32° for PV modules.The single PV string is composed of 17 PV modules connected in series.And an energy storage system has been configured.2)The initial PR during the operation period of this PV power generation system reaches 89.21％,with an average annual equivalent full load hours of 1269 h.Adopting the"self-consumption"mode,it can meet the real-time energy demand of 25.18％to 43.00％of the enterprise.3)This project achieving a cumulative net carbon reduction of 121100 t throughout the entire lifecycle,the carbon emission intensity per unit of power generation is 80 g CO2/(kW·h),which is 90.24％lower than coal-fired power generation.This project can achieve carbon balance in the 5 year,combining the dual advantages of low-carbon emission reduction and energy efficiency improvement in industrial scenarios,providing a scalable engineering paradigm for low-carbon transformation in manufacturing intensive areas.