冷藏库光伏-蓄电制冷系统电池容量优化OA

Taking a cold storage in Xi'an as the re-search object,a photovoltaic-battery energy storage re-frigeration system integrating clean energy utilization with off-peak electricity storage is proposed.Taking the grid-powered refrigeration system as the compari-son object,the energy saving rate,electricity saving rate and battery capacity optimization of photovoltaic-storage refrigeration system are simulated and ana-lyzed.Compared to the grid-powered refrigeration sys-tem,the photovoltaic-storage energy storage refrigera-tion system can significantly reduce electricity con-sumption from the grid and greatly decrease operating costs.Taking the minimum static payback period and the maximum return on investment as the optimization objective,the optimal battery capacity is 47 kW·h.