An MAS based energy management system for a stand-alone microgrid at high altitude. (1st April 2015)

• Record Type: Journal Article
• Authors: Zhao, Bo; Xue, Meidong; Zhang, Xuesong; Wang, Caisheng; Zhao, Junhui
• Is Part Of: Applied energy. Volume 143(2015:Apr. 01)
• Page Start: 251
• Page End: 261
• Publication Date: 2015-04-01
• Subjects: Energy management -- Multi-agent system -- PV-small hydro hybrid microgrid -- Real-time digital simulator -- Real-time operation; Power (Mechanics) -- Periodicals; Energy conservation -- Periodicals; Energy conversion -- Periodicals; 621.042
• DOI: 10.1016/j.apenergy.2015.01.016
• Languages: English
• ISSNs: 0306-2619

Abstract

Highlights: An energy management system based on MAS is developed for a stand-alone microgrid. Practical operation conditions and considerations for microgrid at high altitude are presented. A virtual bidding strategy is proposed to quickly establish operation schedule and capacity reserve. Model predictive control is used in real-time power dispatches to compensate the power control error of the DGs. The MAS and the proposed methods are implemented and verified in a RTDS–PXI joint real-time simulation platform. Abstract: A multi-agent system based energy management system (EMS) is proposed in this paper for implementing a PV-small hydro hybrid microgrid (MG) at high altitude. Based on local information, the distributed generation (DG) sources in the MG are controlled via the EMS to achieve efficient and stable system operation. Virtual bidding is used to quickly establish the scheduling of system operation and capacity reserve. In addition, real-time power dispatches are carried out through model predictive control to balance load demand and power generation in the MG. The dynamic model and the energy management strategy of the MG have been simulated on a RTDS–PXI joint real-time simulation platform. The simulation results show that the proposed energy management and control strategy can optimally dispatch the DG sources in the MG to achieve economic and secure operations of the whole system.