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Journal ArticleDOI

Experimental Demonstration of a Tiered Power Management System for Economic Operation of Grid-Tied Microgrids

Ali Hooshmand, +2 more
- 26 Aug 2014 - 
- Vol. 5, Iss: 4, pp 1319-1327
TLDR
In this paper, a comprehensive power management system that includes two control layers is developed in order to operate a microgrid efficiently, the management system should accomplish two tasks: 1) It needs to be adaptive and optimize the microgrid's performance by defining long-term (daily-based) directives or control strategies.
Abstract
Power management of grid-tied microgrids including distributed generations (DGs) and storage devices can be challenging due to the intermittent and uncontrollable nature of many types of DGs, load variations in time, different grid power tariffs, availability of different options to balance the electric supply and demand, and other parameters. In order to operate a microgrid efficiently, the management system should accomplish two tasks. 1) It needs to be adaptive and optimize the microgrid's performance by defining long-term (daily-based) directives or control strategies. 2) The management system should be able to operate and control the microgrid in real time and satisfy all operational constraints. To address the above-mentioned tasks, a comprehensive power management system that includes two control layers is developed in this paper. Concept for the proposed power management policy was demonstrated on an experimental microgrid system composed of lead-acid batteries, photovoltaic (PV) system, 3-kW peak load, and a utility connection.

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Citations
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Journal ArticleDOI

Mixed-Integer-Linear-Programming-Based Energy Management System for Hybrid PV-Wind-Battery Microgrids: Modeling, Design, and Experimental Verification

TL;DR: In this paper, a modular energy management system and its integration to a grid-connected battery-based microgrid is presented, where a power generation-side strategy is defined as a general mixed-integer linear programming by taking into account two stages for proper charging of the storage units.
Journal ArticleDOI

Load Frequency Control in Microgrids Based on a Stochastic Noninteger Controller

TL;DR: An adaptive multiobjective fractional-order fuzzy proportional–integral–derivative controller is proposed for the load frequency control (LFC) of islanded microgrids (MGs), while benefiting from the assets of electric vehicles (EVs) in this respect.
Journal ArticleDOI

Controllable Load Management Approaches in Smart Grids

TL;DR: In this article, various controllable load management approaches are discussed and the load characteristics, control strategies, and control effectiveness are analyzed, as well as load characteristics and control strategies are analyzed.
Journal ArticleDOI

A Distributed Control Framework for Integrated Photovoltaic-Battery-Based Islanded Microgrids

TL;DR: A new cooperative control framework for coordination of energy storage units (ESUs), photovoltaic panels, and controllable load units in single-phase low voltage microgrids (MGs) is proposed.
References
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Proceedings ArticleDOI

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TL;DR: In this article, the authors propose a system approach which views generation and associated loads as a subsystem or a "microgrid". During disturbances, the generation and corresponding loads can separate from the distribution system to isolate the microgrid's load from the disturbance (providing UPS services) without harming the transmission grid's integrity.
Journal ArticleDOI

Power Management Strategies for a Microgrid With Multiple Distributed Generation Units

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Proceedings ArticleDOI

Autonomous control of microgrids

TL;DR: In this article, the authors proposed a system approach which views generation and associated loads as a subsystem or a "microgrid" where sources can operate in parallel to the grid or in island, providing UPS services, and the system will disconnect from the utility during large events (i.e. faults, voltage collapses), but may also intentionally disconnect when the quality of power from the grid falls below certain standards.
Journal ArticleDOI

Smart energy management system for optimal microgrid economic operation

TL;DR: In this article, a smart energy management system (SEMS) is presented to optimise the operation of the microgrid, which consists of power forecasting module, energy storage system (ESS) management module and optimisation module.
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