Stochastic Energy Scheduling in Microgrids With Intermittent Renewable Energy Resources

Renewable energy resources such as wind and solar are an important component of a microgrid. However, the inherent intermittency and variability of such resources complicates microgrid operations. Meanwhile, more controllable loads (e.g., plug-in electric vehicles), distributed generators (e.g., mic...

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Bibliographic Details
Published in:IEEE transactions on smart grid 2014-07, Vol.5 (4), p.1876-1883
Main Authors: Su, Wencong, Wang, Jianhui, Roh, Jaehyung
Format: Article
Language:English
Subjects:
Batteries
Degradation
Electric utilities
Energy resources
Generators
Microgrid
Microgrids
plug-in electric vehicle (PEV)
renewable energy
Renewable resources
smart grid
Stochastic processes
stochastic programming
Wind
Wind power generation
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Summary:Renewable energy resources such as wind and solar are an important component of a microgrid. However, the inherent intermittency and variability of such resources complicates microgrid operations. Meanwhile, more controllable loads (e.g., plug-in electric vehicles), distributed generators (e.g., micro gas turbines and diesel generators), and distributed energy storage devices (e.g., battery banks) are being integrated into the microgrid operation. To address the operational challenges associated with these technologies and energy resources, this paper formulates a stochastic problem for microgrid energy scheduling. The proposed problem formulation minimizes the expected operational cost of the microgrid and power losses while accommodating the intermittent nature of renewable energy resources. Case studies are performed on a modified IEEE 37-bus test feeder. The simulation results demonstrate the effectiveness and accuracy of the proposed stochastic microgrid energy scheduling model.
ISSN:1949-3053
1949-3061
DOI:10.1109/TSG.2013.2280645