基于状态观测器的独立直流微网协调控制  

Coordinated Control of Autonomous DC Micro-grid Based on State Observer

作　　者：王武[1] 王晓静 胡冠中 WANG Wu;WANG Xiaojing;HU Guanzhong(School of Electrical and Mechanical Engineering,Xuchang University,Xuchang 461000,China;Henan Light Industry Vocational College,Zhengzhou 450000)

机构地区：[1]许昌学院电气与机械工程学院,河南许昌461000 [2]河南轻工职业学院,河南郑州450000

出　　处：《许昌学院学报》2022年第5期123-126,共4页Journal of Xuchang University

基　　金：河南省教育厅项目(18A510005,21B470009)。

摘　　要：独立直流微电网控制结构简单,能高效接纳分布式能源,提高能源利用效率.给出了直流微网结构,分析了基于电流观测器的光伏发电单元模式切换控制和基于电压观测器及均流控制器的储能模块控制方法.通过仿真实验验证该系统能够保证储能单元之间出力均匀,能够使分布式电源与储能单元相互协调,共同维持系统能量平衡.Autonomous DC micro-grid has simple structure which can accept and utilize distributed energy efficiently.The structure of autonomous DC micro-grid was proposed,mode switching control of the photovoltaic generation module based on current observer was analyzed,also the control of energy storage module based on voltage observer and current sharing controller was analyzed,the uniform output between energy storage units was ensured with coordination and energy balance between distributed generation and energy storage unit,the effectiveness of the proposed control strategy was verified by experiments.

关 键 词：直流微电网 协调控制 下垂控制 光伏发电 

分 类 号：TM71[电气工程—电力系统及自动化]