High Quality Voltage Regulation of Single Phase Autonomous Microgrids Under Nonlinear Load Conditions

Nazib, A, Holmes, G and McGrath, B 2018, 'High Quality Voltage Regulation of Single Phase Autonomous Microgrids Under Nonlinear Load Conditions', in Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 2018), Portland, Oregon, United States, 23-27 September 2018, pp. 5169-5176.


Document type: Conference Paper
Collection: Conference Papers

Title High Quality Voltage Regulation of Single Phase Autonomous Microgrids Under Nonlinear Load Conditions
Author(s) Nazib, A
Holmes, G
McGrath, B
Year 2018
Conference name ECCE 2018
Conference location Portland, Oregon, United States
Conference dates 23-27 September 2018
Proceedings title Proceedings of the 2018 IEEE Energy Conversion Congress and Exposition (ECCE 2018)
Publisher IEEE
Place of publication United States
Start page 5169
End page 5176
Total pages 8
Abstract Conventionally, multiple Distributed Generation systems operating as a standalone microgrid use droop control concepts to match load demand and share power. However, it is challenging to maintain a high quality microgrid voltage using droop control alone, particularly when nonlinear loads and load transients are considered. Recently, a resonant voltage regulation system integrated with a synchronous reference frame virtual impedance loop and a phase locked loop, has been shown to achieve significantly improved performance both in terms of power sharing and dynamic response. This paper now applies this approach to a single phase microgrid system operating with significant levels of nonlinear loads, showing how similar performance benefits can be achieved in this particularly difficult operating context. The advantages of the approach are shown by detailed simulation and experimental studies across a variety of load conditions.
Subjects Power and Energy Systems Engineering (excl. Renewable Power)
Keyword(s) microgrid
nonlinear loads
proportional resonant controller
DOI - identifier 10.1109/ECCE.2018.8557817
Copyright notice © 2018 IEEE
ISBN 9781479973132
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