Fault contribution from large photovoltaic systems in building power supply networks

Bhattacharya, S; Saha, T; Hossain, MJ

Fault contribution from large photovoltaic systems in building power supply networks

Bhattacharya, S Saha, T Hossain, MJ

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Publisher:: ELSEVIER SCIENCE BV
Publication Type:: Journal Article
Citation:: Journal of Building Engineering, 2016, 5, pp. 222-230
Issue Date:: 2016-03-01

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Field	Value	Language
dc.contributor.author	Bhattacharya, S
dc.contributor.author	Saha, T
dc.contributor.author	Hossain, MJ
dc.date.accessioned	2022-04-16T07:00:24Z
dc.date.available	2022-04-16T07:00:24Z
dc.date.issued	2016-03-01
dc.identifier.citation	Journal of Building Engineering, 2016, 5, pp. 222-230
dc.identifier.issn	2352-7102
dc.identifier.issn	2352-7102
dc.identifier.uri	http://hdl.handle.net/10453/156308
dc.description.abstract	This paper presents a detailed analysis for determining the impact of adding large three phase photovoltaic (PV) systems in secondary (building) power distribution networks. The analysis highlights the protection relay coordination problems arising due to the increase in network fault levels caused due to the contribution from PV generators. A typical distribution network for power supply to large buildings with multiple apartments in a housing complex has been modeled and used as a test network. Simulation result shows that the magnitude of fault current contribution from PV system depends on a number of different factors, not only on the size of the PV system. The analysis emphasizes the requirement to review protection settings of similar installations prior to connection of PV generators to the network and suggests a method of protection coordination to minimize the requirement of reviewing the protection setting every time a new PV system is connected to the distribution network. It is found that fault current contribution from PV systems, depending on the size, can cause significant relay coordination problems in terms of discrimination and thereby reduce system reliability.
dc.language	English
dc.publisher	ELSEVIER SCIENCE BV
dc.relation.ispartof	Journal of Building Engineering
dc.relation.isbasedon	10.1016/j.jobe.2016.01.005
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 1201 Architecture, 1202 Building
dc.title	Fault contribution from large photovoltaic systems in building power supply networks
dc.type	Journal Article
utslib.citation.volume	5
utslib.for	0905 Civil Engineering
utslib.for	1201 Architecture
utslib.for	1202 Building
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-04-16T07:00:22Z
pubs.publication-status	Published
pubs.volume	5

Abstract:

This paper presents a detailed analysis for determining the impact of adding large three phase photovoltaic (PV) systems in secondary (building) power distribution networks. The analysis highlights the protection relay coordination problems arising due to the increase in network fault levels caused due to the contribution from PV generators. A typical distribution network for power supply to large buildings with multiple apartments in a housing complex has been modeled and used as a test network. Simulation result shows that the magnitude of fault current contribution from PV system depends on a number of different factors, not only on the size of the PV system. The analysis emphasizes the requirement to review protection settings of similar installations prior to connection of PV generators to the network and suggests a method of protection coordination to minimize the requirement of reviewing the protection setting every time a new PV system is connected to the distribution network. It is found that fault current contribution from PV systems, depending on the size, can cause significant relay coordination problems in terms of discrimination and thereby reduce system reliability.

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http://hdl.handle.net/10453/156308