摘要
针对光伏电池、储能系统以及负载构成的直流微电网存在的最大问题,即直流母线电压的稳定性,提出一种基于开关表的直流微电网控制策略。该控制策略依据直流母线电压的分区分别设定控制方案,建立一个开关表,电压分区由母线电压瞬时值通过电压分层算法确定;通过查询开关表的方式产生控制信号;在Mat Lab/Simulink环境下搭建试验仿真电路。仿真结果表明,该控制策略可以实现对直流微电网内各部分的协调控制以及母线电压变化的快速响应,验证了该控制策略的可行性。
Aiming at the biggest problem of the DC microgrid,which is composed of PV cells,energy storage system and load,is the stability of the DC bus voltage. A DC microgrid control strategy based on the switch table is proposed. The control strategy is based on the partition of the DC bus voltage to set the control scheme respectively. A switch table is established. The voltage partition is determined by the voltage stratification algorithm of the bus voltage. The control signal is generated by querying the switch table. Simulation mode is built in Mat Lab/Simulink. The simulation results show that the control strategy realizes the coordinated control of the various parts of the DC microgrid,and the rapid response of the bus voltage change. The simulation results verify the feasibility of the control strategy.
作者
邓伟锋
DENG Wei-feng(College of Electrical and Information Engineering,Anhui University of Science ＆ Technology,Huainan 232001,China)
出处
《自动化与仪表》
2018年第7期15-18,共4页
Automation & Instrumentation
基金
安徽省高校优秀拔尖人才培育资助项目(gxfx ZD2016077)
中国博士后科学基金资助项目(2016M601993)
安徽理工大学研究生创新基金项目(2017CX2094)
关键词
光伏微电网
母线电压分区
控制策略
开关表
仿真
photovoltaic microgrid
bus voltage partition
control strategy
switch table
simulation
