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Primary voltage control of a single-phase inverter using linear quadratic regulator with integrator

Hossain, M. A., Azim, M. I., Mahmud, M. A. and Pota, H. R. 2015, Primary voltage control of a single-phase inverter using linear quadratic regulator with integrator, in AUPEC 2015 : Challenges for future grids : Proceedings of the 25th Australian Universities Power Engineering Conference, IEEE, Piscataway, N.J., pp. 1-6, doi: 10.1109/AUPEC.2015.7324843.

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Title Primary voltage control of a single-phase inverter using linear quadratic regulator with integrator
Author(s) Hossain, M. A.
Azim, M. I.
Mahmud, M. A.ORCID iD for Mahmud, M. A. orcid.org/0000-0002-5302-5338
Pota, H. R.
Conference name Australian Universities Power Engineering. Conference (25th : 2015 : Wollongong, New South Wales)
Conference location Wollongong, N.S.W.
Conference dates 27-30 Sep. 2015
Title of proceedings AUPEC 2015 : Challenges for future grids : Proceedings of the 25th Australian Universities Power Engineering Conference
Publication date 2015
Start page 1
End page 6
Total pages 6
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) voltage control
microgrid
linear quadratic integrator
inverter
Summary This paper proposes a linear quadratic regulator with integral action, ensuring fast dynamic response and resisting capability of voltage deviation from instantaneous reference grid voltage, to control the inverter voltage that can also be used in a microgrid. The proposed control strategy is based on a linear quadratic regulator, minimizing the cost function of the system, with integral action used to impede voltage degradation from a reference voltage for outside disturbances of the system, such as abrupt load change. The combined integral term assists to recover the voltage difference between grid and reference grid voltage. The validity of the proposed controller has been tested with linear and non-linear loads under various conditions. In both cases, the effectiveness of the controller has been proved. The result of the proposed controller is good to track the instantaneous reference grid voltage.
ISBN 9781479987252
Language eng
DOI 10.1109/AUPEC.2015.7324843
Field of Research 090602 Control Systems, Robotics and Automation
090603 Industrial Electronics
090609 Signal Processing
Socio Economic Objective 850504 Solar-Photovoltaic Energy
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083018

Document type: Conference Paper
Collection: School of Engineering
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