Stochastic Hosting Capacity in LV Distribution Networks

M Deakin, C Crozier, D Apostolopoulou, T Morstyn, M McCulloch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

© 2019 IEEE. Hosting capacity is defined as the level of penetration that a particular technology can connect to a distribution network without causing power quality problems. In this work, we study the impact of solar photovoltaics (PV) on voltage rise. In most cases, the locations and sizes of the PV are not known in advance, so hosting capacity must be considered as a random variable. Most hosting capacity methods study the problem considering a large number of scenarios, many of which provide little additional information. We overcome this problem by studying only cases where voltage constraints are active, with results illustrating a reduction in the number of scenarios required by an order of magnitude. A linear power flow model is utilised for this task, showing excellent performance. The hosting capacity is finally studied as a function of the number of generators connected, demonstrating that assumptions about the penetration level will have a large impact on the conclusions drawn for a given network.
Original languageEnglish
Title of host publicationIEEE Power and Energy Society General Meeting
Volume2019-August
DOIs
Publication statusPublished - 1 Aug 2019

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