NDLI: Optimal management of electric power in microgrids under a strategic multi-objective decision-making approach and operational proportional adjustment

Content Provider	IET Digital Library
Author	Santiago, Dany Mauricio López Caicedo, Eduardo Francisco
Abstract	In energy management systems in microgrids, the combined and on-line use of optimisation and prediction rolling horizons of renewable power and demand may compromise the optimal performance. Usually, the medium-term optimal behaviour improves with additional available convergence time, while the error in predictions worsens with a broader horizon, against the using short-term predictions, which usually contributes to more accurate management. To address this problem, this study proposes the strategical and operational energy management system (SO-EMS) approach, which is based on three complementary management processes: (i) strategic energy management, based on off-line multi-objective optimisation on a rolling horizon, (ii) asynchronous decision making, which offers the ability to incorporate multiple criteria of a microgrid operator in the selection of an optimised energy plan, and (iii) operational power management, as an on-line proportional redistribution and redispatch process based on rules. The SO-EMS evaluation performed on a connected microgrid shows its ability to provide optimised plans on a rolling horizon of 24-h predictions and to adjust them to 1-m predictions. The evaluations made of the scheme also show flexibility because it is possible to redistribute the power assignments of units that are out of service. These features empower the SO-EMS in the broad power management of various connected microgrids.
Starting Page	4473
Ending Page	4481
Page Count	9
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 19, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0037
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-08-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Decision Making Broad Power Management Complementary Management Processes Decision Making Distributed Power Generation Electric Power Energy Management System Medium-term Optimal Behaviour Microgrid Operator Off-line Multiobjective Optimisation On-line Proportional Redistribution Operational Energy Management System Operational Power Management Operational Proportional Adjustment Optimal Management Optimisation Optimisation Technique Optimised Energy Plan Power System Economics Power System Managemen Power System Operation Prediction Rolling Horizons Redispatch Process Renewable Power Short-term Predictions SO-EMS Evaluation Strategic Energy Management Strategic Multiobjective Decision-making Approach Strategical Energy Management System
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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