综合楼宇场景下的混合微电网应用设计

Application Design of Hybrid Microgrid in Comprehensive Building Scenario

多能互补智能交直流混合微电网能平抑分布式能源输出波动,提高区域供电的可靠性和能源综合利用效率,是绿色、环保、节能的电能利用关键技术,也是未来新能源利用技术的重要发展方向之一.本文阐述了湖南某公司综合大楼微电网工程项目设计方案,以实际用电需求为基础,设计以交流微电网为主、直流网络为辅的网架结构,构建风、光、储一体化混合微电网系统,能够实现并离网自动切换,停电时保障关键负荷运行,电网正常供电时以经济性为目标实现用电成本最小化.

Multi-energy complementary intelligent AC-DC hybrid micro-grid can suppress distributed energy output fluctuations,improve regional power supply reliability and comprehensive energy utilization efficiency.It is a key technology for green,environmentally friendly and energy-saving electric energy utilization,and it is also a new energy utilization in the future.One of the important development directions of technology.This article elaborates the design scheme of a microgrid engineering project for a comprehensive building of a company in Hunan.Based on the actual electricity demand,a grid structure with AC microgrid as the mainstay and DC network as the auxiliary is designed.The grid system can realize automatic switching between off-grid and grid.It guarantees the operation of critical loads in the event of a power failure,and minimizes the cost of electricity consumption with the goal of economy when the grid is normally powered.