PDF(1112 KB)
PDF(1112 KB)
PDF(1112 KB)
风储直流微网孤岛运行控制研究
Study on Autonomous Operation and Control of Wind Power and Energy Storage DC Microgrid
This paper designs a small-scale wind power and energy storage DC microgrid system operating in autonomous conditions, in view of the shortage of power energy and the abundance of wind energy at remote areas. The bipolar-type distribution system can reduce the bus voltage to the ground and meet the requirements of various converters and loads. The voltage balancer contributes to balance the bus voltage between the positive and negative values. The wind turbine and hybrid energy storage system (HESS) operate in optimal models with different conditions. The system operation is divided into five patterns, and also the wind turbine, HESS and loads are coordinated controlled, which can ensure the stability of the DC bus voltage and the reliability of the power supply. The simulation results validate that this system operation is reliable and the control strategy is effective.
直流微网 / 双极性结构 / 协调控制 / 电压平衡器 / 混合储能系统(HESS) / DC microgrid / bipolar-type / coordinated control / voltage balancer / hybrid energy storage system(HESS)
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