Microgrid Energy Management System with Embedded Deep Learning Forecaster and Combined Optimizer

Vishnu Suresh*, Przemyslaw Janik, Josep M. Guerrero, Zbigniew Leonowicz, Tomasz Sikorski

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

32 Citations (Scopus)
75 Downloads (Pure)

Abstract

This paper presents an energy management system for the microgrid present at Wroclaw University of Science and Technology. It has three components: a forecasting system, an optimizer and an optimized electrical vehicle charging station as a separate load for the system. The forecasting system is based on a deep learning model utilizing a Long Short-Term Memory (LSTM) - Autoencoder based architecture. The study provides a statistical analysis of its performance over several runs and addresses reliability and running time issues thereby building a case for its adoption. A MIDACO - MATPOWER combined optimization algorithm has been used as the optimization algorithm for energy management which intends to harness the speed of MATPOWER and the search capabilities of Mixed Integer Distributed Ant Colony Optimization (MIDACO) in finding an appropriate global minimum solution. The objective of the system is to minimize the import of power from the main grid resulting in improved self-sufficiency. Finally, an optimized electrical vehicle charging station model to maximize the renewable energy utilization within the facility is incorporated into the same.
Original languageEnglish
Article number9249013
JournalIEEE Access
Volume8
Pages (from-to)202225-202239
Number of pages15
ISSN2169-3536
DOIs
Publication statusPublished - 2020

Bibliographical note

Funding Information:
This work was supported in part by the Chair of Electrical Engineering Fundamentals under Grant K38W05D02, and in part by the Wroclaw University of Technology, Wroclaw, Poland, and Erasmus + under Grant 2018-1-PL-01-KA103-048415. The work of Josep M. Guerrero was supported by the VILLUM FONDEN through the VILLUM Investigator, Center for Research on Microgrids (CROM), under Grant 25920.

Publisher Copyright:
© 2013 IEEE.

Keywords

  • deep learning
  • electrical vehicle charging stations
  • LSTM - autoencoders
  • meta-heuristic optimization
  • Microgrid energy management
  • MIDACO
  • solar PV output forecasting

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