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Robust nonlinear adaptive backstepping controller design for three-phase grid-connected solar photovoltaic systems with unknown parameters

Roy, T.K., Mahmud, M.A., Oo, A.M.T. and Haque, M.E. 2016, Robust nonlinear adaptive backstepping controller design for three-phase grid-connected solar photovoltaic systems with unknown parameters, in IEEE PESGM 2016 : Proceedings of the 2016 IEEE Power and Energy Society General Meeting, IEEE, Piscataway, N.J., pp. 1-5, doi: 10.1109/PESGM.2016.7741421.

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Title Robust nonlinear adaptive backstepping controller design for three-phase grid-connected solar photovoltaic systems with unknown parameters
Author(s) Roy, T.K.
Mahmud, M.A.ORCID iD for Mahmud, M.A. orcid.org/0000-0002-5302-5338
Oo, A.M.T.
Haque, M.E.ORCID iD for Haque, M.E. orcid.org/0000-0002-8893-2181
Conference name Power and Engergy Society. General Meeting (2016 : Boston, Massachusetts)
Conference location Boston, Massachusetts
Conference dates 17 - 21 Jul. 2016
Title of proceedings IEEE PESGM 2016 : Proceedings of the 2016 IEEE Power and Energy Society General Meeting
Publication date 2016
Conference series Power and Energy Society General Meeting
Start page 1
End page 5
Total pages 5
Publisher IEEE
Place of publication Piscataway, N.J.
Keyword(s) adaptive backstepping controller
control Lyapunov function
solar PV system
unknown parameters
Summary This paper presents a nonlinear control scheme toregulate the dc-link voltage for extracting the maximum powerfrom PV system and the current to control the amount of injectedpower into the grid. The controller is designed using an adaptivebackstepping technique by considering the parameters of the systemas totally unknown. The control of power injection into the gridrequires the regulation of active and reactive components of theoutput current of the inverter in order to control active andreactive power, respectively. The proposed controller is adaptiveto unknown parameters of grid-connected solar photovoltaic (PV)systems and these parameters are estimated through the adaptationlaws while guaranteeing the extraction of maximum power fromthe PV system and delivering appropriate active and reactivepower into the grid. The overall stability of the whole system isanalyzed based on the formulation of control Lyapunov functions(CLFs). Finally, the performance of the designed controller istested on a three-phase grid-connected PV system under changeingenvironmental conditions and the result is also compared withan existing backstepping controller in terms of improving powerquality. Simulation results indicate the robustness of the proposedscheme under changing atmospheric conditions.
ISSN 1944-9933
Language eng
DOI 10.1109/PESGM.2016.7741421
Field of Research 090607 Power and Energy Systems Engineering (excl Renewable Power)
080503 Networking and Communications
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2016, IEEE
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084031

Document type: Conference Paper
Collections: School of Engineering
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.