Impact of Incorporating Disturbance Prediction on the Performance of Energy Management Systems in Micro-Grid

The design and implementation of appropriate advanced control strategies is a key factor for the effective integration of micro-grids into the electrical network. In view of this, the study proposes an Adaptive Model-Based Horizon Control technique in the bid to addressing issues related to the Ener...

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Vydáno v:IEEE access Ročník 8; s. 162855 - 162879
Hlavní autoři: Gbadega, Peter Anuoluwapo, Saha, Akshay Kumar
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Adaptive algorithms
Adaptive control
adaptive model predictive control (AMPC)
Alternative energy sources
Constraint modelling
Control algorithms
Control theory
Cost function
Distributed generation
disturbance predictions
Electrical networks
Energy management
Energy management system (EMS)
Energy management systems
Energy storage
energy storage system (ESS)
Hybrid systems
MATLAB simulation
Operating costs
Optimization
prediction horizon
Predictive control
Predictive models
Renewable energy sources
Renewable resources
Stochastic processes
Storage systems
Uncertainty
ISSN:2169-3536, 2169-3536
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Shrnutí:The design and implementation of appropriate advanced control strategies is a key factor for the effective integration of micro-grids into the electrical network. In view of this, the study proposes an Adaptive Model-Based Horizon Control technique in the bid to addressing issues related to the Energy Management System in micro-grid operations. The main objective of the energy management system is to balance energy generation and demand through energy storage, so as to optimize the operation of the micro-grid with high penetrations of renewable energy sources. This paper further investigates the impacts of considering the prediction of disturbances on the performance of the Energy Management System based on the adaptive model predictive control algorithm in order to improve the operating costs of the micro-grid with hybrid-energy storage systems. The adaptive model predictive control algorithm solves the energy optimization problem in a renewable energy-based micro-grid with various types of energy storage systems that exchange energy with the host grid. More so, this optimization problem is resolved at each sampling period in order to determine the minimum running costs while satisfying demand and taking into account technical and physical constraints. The simulation results under different conditions have demonstrated how the use of an adaptive model predictive control based energy management system can enhance micro-grid operation, provided there is effective forecasting, and consequently minimized the running operating costs of micro-grid. More so, it is evident in the cost function, <inline-formula> <tex-math notation="LaTeX">J </tex-math></inline-formula>, obtained from the three scenarios conducted, that the perfect knowledge of the disturbance prediction is essential for effective micro-grid operations.
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ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.3021598