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Generalized dynamical modeling of multiple photovoltaic units in a grid-connected system for analyzing dynamic interactions

Orchi, Tahsin Fahima, Mahmud, Md Apel and Maung , Amanullah Than Oo 2018, Generalized dynamical modeling of multiple photovoltaic units in a grid-connected system for analyzing dynamic interactions, Energies, vol. 11, no. 2, doi: 10.3390/en11020296.

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Title Generalized dynamical modeling of multiple photovoltaic units in a grid-connected system for analyzing dynamic interactions
Author(s) Orchi, Tahsin Fahima
Mahmud, Md ApelORCID iD for Mahmud, Md Apel orcid.org/0000-0002-5302-5338
Maung , Amanullah Than Oo
Journal name Energies
Volume number 11
Issue number 2
Article ID 296
Total pages 12
Publisher M D P I AG
Place of publication Basel, Switzerland
Publication date 2018-01-27
ISSN 1996-1073
Keyword(s) science & technology
technology
energy & fuels
dynamical modeling
dynamic interactions
multiple PV units
grid-connected system
thermal comfort optimization
energy management system
distribution network
stability analysis
large-scale
PV system
generation
microgrids
inverters
validation
Summary This paper aims to develop the generalized dynamical model of multiple photovoltaic (PV) units connected to the grid along with the dynamic interaction analysis among different PV units. The dynamical models of multiple PV units are developed by considering three different configurations through which these PV units are connected to the grid. These configurations include: (a) the direct connection of multiple PV units to the grid; (b) the connection of multiple PV units to the grid through a point of common coupling (PCC); and (c) the connection of PV units without a PCC. The proposed modeling framework provides meaningful insights for analyzing dynamic interaction analysis where these interactions from other PV units are expressed in terms of voltages and line impedances rather than the dynamics of currents. The dynamic interactions among different PV units for all these configurations are analyzed using both analytical and simulation studies. Simulations are carried out on an IEEE 15-bus test system and dynamic interactions are analyzed from the total harmonic distortions (THDs) in the current responses of different PV units. Both analytical and simulation studies clearly indicate that the effects of dynamic interactions are prominent with the increase in PV units.
Language eng
DOI 10.3390/en11020296
Field of Research 0906 Electrical and Electronic Engineering
09 ENGINEERING
02 PHYSICAL SCIENCES
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2018, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30109254

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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.