基于功率直控的源储荷协同微电网的弱连接调控技术  

Weak Connection Regulation Technology for Source-Storage-Load Collaborative Microgrids Based on Direct Power Control

作　　者：任鹏 赵志刚 高洪超[2] 文武 姜颖异 REN Peng;ZHAO Zhigang;GAO Hongchao;WEN Wu;JIANG Yingyi(GREE Electric Appliances Inc,Zhuhai 519070,China;Department of Electrical Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]珠海格力电器股份有限公司,广东珠海519070 [2]清华大学电机工程与应用电子技术系,北京100084

出　　处：《中国电力》2025年第4期13-20,共8页Electric Power

基　　金：国家重点研发计划资助项目(建筑机电设备直流化产品研制与示范,2022YFC3802503)。

摘　　要：分布式能源发展使建筑转型为集发储用于一身的新型能源综合体,其光伏发电和设备用电的波动性、随机性导致电网和区域供需不平衡,务须将区域源储网荷进行优化配置,以提升区域用电效率,挖掘可调节潜力,使其能够快速调节响应。为此,搭建用户侧源储网荷直流供用电系统,通过分析系统各设备特性,提出功率直控型柔性调控算法,并在珠海格力电器光伏未来屋进行了实际验证。研究区域直流供用电和柔性调控技术,分析了空调、储能、光伏等柔性特征,验证了功率直控型柔性调控算法和评价指标。从测试效果来看,该系统可以实时响应快速调节,从而提升能源利用效率,降低网侧配额,实现了光伏的本地消纳。The development of distributed energy has transformed buildings into new energy complexes integrating generation,storage,and consumption.However,the fluctuation and randomness of photovoltaic power generation and equipment power consumption leads to the grid and regional supply and demand imbalance.So it is necessary to optimize the configuration of the regional source-storage-grid-load to enhance the efficiency of the regional power consumption and tap into the adjustable potential,achieving fast response and regulation.This paper built a user-side source-storage-grid-load DC power supply system,analyzed the characteristics of each device of the system,proposed a power direct-control flexible regulation algorithm,and conducted verification in the PV future houses of Zhuhai Gree Electric Appliances.The paper also studied the regional DC power supply and flexible regulation technology,analyzed the flexible characteristics of air conditioners,energy storage,photovoltaic,etc.,and verified the power direct-control flexible regulation algorithm and evaluation indexes.From the effect of testing and verification,the whole system enables real-time response and rapid adjustment,thus improving the energy utilization efficiency,reducing the grid-side quota and realizing the local consumption of PV.

关 键 词：源储网荷直流系统 柔性负荷 功率直控型 柔性调控 能源配置 

分 类 号：TM73[电气工程—电力系统及自动化]