DC Microgrid Modeling and Energy Storage Placement to Enhance System Stability

Author

Carl Westerby, University of Wisconsin-MilwaukeeFollow

Date of Award

May 2013

Degree Type

Thesis

Degree Name

Master of Science

Department

Engineering

First Advisor

David Yu

Committee Members

Abdolhosein Nasiri, Hossein Hosseini

Keywords

DC Microgrid, Distributed Generation, Eigenvalue, Energy Storage, Renewable Energy, Stability

Abstract

The work of this thesis represents a joint venture between the University of Wisconsin-Milwaukee and the University of Wisconsin-Madison. A DC microgrid is selected for the efficiency benefits, lack of reactive power in the system, and ease of connecting to an AC grid. The system modeling relies on physical parameters and industry standard methods for the estimation of loads and lines. An example model is created for the University of Wisconsin - Milwaukee's Campus. Due to the high penetration of renewable energy sources in the example model, system stability is a concern. To help mitigate stability issues, analysis is performed to have the ideal placement of energy storage. The analysis relies heavily on the deep properties of the system such as Eigenvalues and system controllability. Energy storage placement is verified and evaluated

with model simulations.

Recommended Citation

Westerby, Carl, "DC Microgrid Modeling and Energy Storage Placement to Enhance System Stability" (2013). Theses and Dissertations. 181.
https://dc.uwm.edu/etd/181