Stochastic Modeling and Optimization in a Microgrid: A Survey

The future smart grid is expected to be an interconnected network of small-scale and self-contained microgrids, in addition to a large-scale electric power backbone. By utilizing microsources, such as renewable energy sources and combined heat and power plants, microgrids can supply electrical and h...

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Main Authors: Hao Liang, Weihua Zhuang
Format: Article
Language:English
Published: MDPI AG 2014-03-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/7/4/2027
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author Hao Liang
Weihua Zhuang
author_facet Hao Liang
Weihua Zhuang
author_sort Hao Liang
collection DOAJ
description The future smart grid is expected to be an interconnected network of small-scale and self-contained microgrids, in addition to a large-scale electric power backbone. By utilizing microsources, such as renewable energy sources and combined heat and power plants, microgrids can supply electrical and heat loads in local areas in an economic and environment friendly way. To better adopt the intermittent and weather-dependent renewable power generation, energy storage devices, such as batteries, heat buffers and plug-in electric vehicles (PEVs) with vehicle-to-grid systems can be integrated in microgrids. However, significant technical challenges arise in the planning, operation and control of microgrids, due to the randomness in renewable power generation, the buffering effect of energy storage devices and the high mobility of PEVs. The two-way communication functionalities of the future smart grid provide an opportunity to address these challenges, by offering the communication links for microgrid status information collection. However, how to utilize stochastic modeling and optimization tools for efficient, reliable and economic planning, operation and control of microgrids remains an open issue. In this paper, we investigate the key features of microgrids and provide a comprehensive literature survey on the stochastic modeling and optimization tools for a microgrid. Future research directions are also identified.
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spelling doaj.art-18624f1bac2a4321af49d6b8d09975f32022-12-22T03:59:56ZengMDPI AGEnergies1996-10732014-03-01742027205010.3390/en7042027en7042027Stochastic Modeling and Optimization in a Microgrid: A SurveyHao Liang0Weihua Zhuang1Department of Electrical and Computer Engineering, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, ON, CanadaDepartment of Electrical and Computer Engineering, University of Waterloo, 200 University Avenue West, Waterloo N2L 3G1, ON, CanadaThe future smart grid is expected to be an interconnected network of small-scale and self-contained microgrids, in addition to a large-scale electric power backbone. By utilizing microsources, such as renewable energy sources and combined heat and power plants, microgrids can supply electrical and heat loads in local areas in an economic and environment friendly way. To better adopt the intermittent and weather-dependent renewable power generation, energy storage devices, such as batteries, heat buffers and plug-in electric vehicles (PEVs) with vehicle-to-grid systems can be integrated in microgrids. However, significant technical challenges arise in the planning, operation and control of microgrids, due to the randomness in renewable power generation, the buffering effect of energy storage devices and the high mobility of PEVs. The two-way communication functionalities of the future smart grid provide an opportunity to address these challenges, by offering the communication links for microgrid status information collection. However, how to utilize stochastic modeling and optimization tools for efficient, reliable and economic planning, operation and control of microgrids remains an open issue. In this paper, we investigate the key features of microgrids and provide a comprehensive literature survey on the stochastic modeling and optimization tools for a microgrid. Future research directions are also identified.http://www.mdpi.com/1996-1073/7/4/2027microgridsmart gridstochastic modelingstochastic optimization
spellingShingle Hao Liang
Weihua Zhuang
Stochastic Modeling and Optimization in a Microgrid: A Survey
Energies
microgrid
smart grid
stochastic modeling
stochastic optimization
title Stochastic Modeling and Optimization in a Microgrid: A Survey
title_full Stochastic Modeling and Optimization in a Microgrid: A Survey
title_fullStr Stochastic Modeling and Optimization in a Microgrid: A Survey
title_full_unstemmed Stochastic Modeling and Optimization in a Microgrid: A Survey
title_short Stochastic Modeling and Optimization in a Microgrid: A Survey
title_sort stochastic modeling and optimization in a microgrid a survey
topic microgrid
smart grid
stochastic modeling
stochastic optimization
url http://www.mdpi.com/1996-1073/7/4/2027
work_keys_str_mv AT haoliang stochasticmodelingandoptimizationinamicrogridasurvey
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