Controller Design and Optimal Parameter Tuning for the Stability Enhancement of an AC Microgrid

K, Manjunath (2017) Controller Design and Optimal Parameter Tuning for the Stability Enhancement of an AC Microgrid. PhD thesis, Indian Institute of Technology.

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Abstract

A microgrid is basically the integration of small scale distributed energ y resources within a locality. Microgrids are mainly renewable energy driven with ene rgy stor- age backups. The primary motivation behind the emergence of micro grid is to have energy self-sustainability within a locality through a cost-effective a nd reliable in- frastructure. Microgrids can be installed at industrial parks, aca demic campuses, residential complexes and remote villages with or without the provisio n of utility grid connection. In the case of utility grid failure, a microgrid can continu e operation in the islanded mode serving the critical loads. During grid-connected operation, the power exchange with the utility grid can be optimized based upon the p revailing grid energy price. However, because of being a low inertia system, the d ynamics of a microgrid needs to be very carefully addressed so as to ensure a st able system op- eration. Unlike conventional power systems, system level studies are often required for a microgrid with regard to the controller parameter tuning. The particular exer- cise requires the small-signal modeling of the entire microgrid system , followed by an eigenvalue analysis and optimization. The main objective of the prese nt work is to improve the system stability through appropriate tuning of contro l parameters

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (PhD)
Uncontrolled Keywords: microgrid, stability, parameter tuning, high R/X ration, computation time, TD752
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 02 Feb 2017 09:56
Last Modified: 03 Feb 2017 11:33
URI: http://raiithold.iith.ac.in/id/eprint/3022
Publisher URL:
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