Cooperative Energy Management of Hybrid DC Renewable Grid Using Decentralized Control Strategies

Energies

Mehrdad Beykverdi¹  Mehdi Ehsan²  Abolfazl Jalilvand³ 

[1] Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, Tehran 15785, Iran;Department of Electrical Engineering, Sharif University of Technology, Tehran 11155, Iran;Department of Electrical Engineering, University of Zanjan, Zanjan 45195, Iran;

关键词: DC microgrid;    energy management;    decentralized control;    islanded mode;    hybrid unit;    droop control;   

DOI  :  10.3390/en9110859

来源: DOAJ

【 摘 要 】

This paper attempted to control a hybrid DC microgrid in islanded operation mode using decentralized power management strategies. Proposed adaptive I/V characteristic for hybrid photovoltaic (PV) and battery energy storage system (BESS) and wind turbine generator (WTG) adapts the distributed energy resources (DER) behavior independently in accordance with the load demand. Hence, the PV module can spend its maximum power on load demand and spend the extra power for charging the BESS, which will regulate DC bus voltage and maintain the power balance within the microgrid. When load demand is beyond the maximum generation power of PV unit, WTG will supply the energy shortage. The proposed control system was applied on the DC microgrid in order to achieve control objectives through a decentralized procedure, without telecommunication links. In order to validate the proposed strategies, the control system was implemented on a DC microgrid within MATLAB/SIMULINK, where the simulation results were analyzed and validated.

【 授权许可】

Unknown