MODELING AND SIMULATION OF THREE-PHASE AC MICROGRID
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Authors
Hirsch, Charles Y.
Subjects
microgrid
three phase power system
microgrid control systems
photovoltaic power source
battery charge/discharge
island mode
three phase power system
microgrid control systems
photovoltaic power source
battery charge/discharge
island mode
Advisors
Cristi, Roberto
Oriti, Giovanna
Date of Issue
2020-03
Date
Publisher
Monterey, CA; Naval Postgraduate School
Language
Abstract
Sustainable power at the forefront of Department of Defense operations is paramount on the battlefield as well as at naval installations around the world, and microgrid technology enables the deployment of renewable energy sources. This thesis develops a physics-based model of a three-phase microgrid set up with three commercial-off-the-shelf (COTS) inverters and a battery bank as its energy storage system. Both the model and the laboratory microgrid can be operated in grid-tied or in islanding mode. The microgrid’s voltage waveforms, spectra, total harmonic distortion, and current waveforms are predicted by simulations and measured in the laboratory. IEEE Standard 519 and the manufacturer’s performance standards provide the metrics for the power quality analysis. Comparisons of performance of the model to experimental laboratory data determine that the COTS units conform to IEEE Standard 519 and are suitable for further studies into microgrid expansion, management, and employment.
Type
Thesis
Description
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Department
Electrical and Computer Engineering (ECE)
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Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.