Impact of solar photovoltaics on the low voltage distribution network in New Zealand

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dc.contributor.authorWatson, J.D.
dc.contributor.authorWatson, N.R.
dc.contributor.authorSantos-Martin, D.
dc.contributor.authorWood, A.R.
dc.contributor.authorLemon, S.
dc.contributor.authorMiller, A.J.V.
dc.date.accessioned2016-06-22T00:19:54Z
dc.date.available2016-06-22T00:19:54Z
dc.date.issued2016en
dc.description.abstractResidential rooftop-mounted solar photovoltaic (PV) panels are being installed at an increasing rate, both in New Zealand and globally. There have been concerns over possible issues such as overvoltage and overcurrent. These photovoltaic systems are mostly connected at low voltage (LV). This paper presents a case study of simulating the entire low voltage network from a single utility, comprising 10558 11kV to 415V transformers and their associated distribution feeders. These results are also presented by network type. Various solar PV penetration levels are added to the model and the power-flow results are presented. From these results, possible maximum limits of solar PV penetration are investigated and measures to alleviate overvoltage problems are simulated. The effect of using PV inverters with voltage regulation is simulated. Results show that some minor overvoltage problems can be expected in the future, particularly in urban areas. However, in most cases the overvoltage would not be much higher than the statutory limit of 1.06 p.u.en
dc.identifier.citationWatson, J.D., Watson, N.R., Santos-Martin, D., Wood, A.R., Lemon, S., Miller, A.J.V. (2016) Impact of solar photovoltaics on the low voltage distribution network in New Zealand. IET Generation, Transmission & Distribution, 10(1), pp. 1-9.en
dc.identifier.doihttps://doi.org/10.1049/iet-gtd.2014.1076
dc.identifier.urihttp://hdl.handle.net/10092/12343
dc.language.isoen
dc.publisherUniversity of Canterbury. Electrical and Computer Engineeringen
dc.rights.urihttps://hdl.handle.net/10092/17651
dc.subject.anzsrcField of Research::09 - Engineering::0906 - Electrical and Electronic Engineering::090605 - Photodetectors, Optical Sensors and Solar Cellsen
dc.titleImpact of solar photovoltaics on the low voltage distribution network in New Zealanden
dc.typeJournal Article
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