Design and control of storage systems for voltage source controlled autonomous microgrids

Self-sustainable autonomous microgrids with 100% converter-connected generation are most suitable for powering remote areas without impacting the environment. This work focuses on the regulation aspect of such islanded microgrids by sizing and controlling energy storage systems to support the r...

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Bibliographic Details
Main Authors: Subramanian, Lalitha, Debusschere, Vincent, Gooi, Hoay Beng
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2019
Subjects:
Online Access:https://hdl.handle.net/10356/103656
http://hdl.handle.net/10220/49496
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Institution: Nanyang Technological University
Language: English
Description
Summary:Self-sustainable autonomous microgrids with 100% converter-connected generation are most suitable for powering remote areas without impacting the environment. This work focuses on the regulation aspect of such islanded microgrids by sizing and controlling energy storage systems to support the renewable energy-based microgrids. Each generation unit in the microgrid acts as a voltage-source that contributes to frequency and voltage regulation, wherein the regulation is achieved by a modified droop control that emulates the inertia property of synchronous machines. The size of energy storage systems that support this task is estimated based on the allowable regulation standard and control scheme. The designed storage and control are validated with the help of real-time simulation.