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Energies 2015, 8(8), 8798-8813; doi:10.3390/en8088798

Application of Model Predictive Control to BESS for Microgrid Control

Department of Electrical Engineering, Incheon National University, 12-1 Songdo-dong, Yeonsu-gu, Incheon 406-840, Korea
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Author to whom correspondence should be addressed.
Academic Editor: William Holderbaum
Received: 27 June 2015 / Revised: 5 August 2015 / Accepted: 5 August 2015 / Published: 19 August 2015
(This article belongs to the Special Issue Control of Energy Storage)
View Full-Text   |   Download PDF [1052 KB, uploaded 19 August 2015]   |  

Abstract

Battery energy storage systems (BESSs) have been widely used for microgrid control. Generally, BESS control systems are based on proportional-integral (PI) control techniques with the outer and inner control loops based on PI regulators. Recently, model predictive control (MPC) has attracted attention for application to future energy processing and control systems because it can easily deal with multivariable cases, system constraints, and nonlinearities. This study considers the application of MPC-based BESSs to microgrid control. Two types of MPC are presented in this study: MPC based on predictive power control (PPC) and MPC based on PI control in the outer and predictive current control (PCC) in the inner control loops. In particular, the effective application of MPC for microgrids with multiple BESSs should be considered because of the differences in their control performance. In this study, microgrids with two BESSs based on two MPC techniques are considered as an example. The control performance of the MPC used for the control microgrid is compared to that of the PI control. The proposed control strategy is investigated through simulations using MATLAB/Simulink software. The simulation results show that the response time, power and voltage ripples, and frequency spectrum could be improved significantly by using MPC. View Full-Text
Keywords: microgrid; model predictive control; predictive power control; battery energy storage system (BESS); frequency control microgrid; model predictive control; predictive power control; battery energy storage system (BESS); frequency control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Nguyen, T.-T.; Yoo, H.-J.; Kim, H.-M. Application of Model Predictive Control to BESS for Microgrid Control. Energies 2015, 8, 8798-8813.

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