Lightning Risk Assessment of Rooftop Photovoltaic Systems: A Case Study Approach

I. Holland, W. Doorsamy, K. Nixon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

The growth of photovoltaic (PV) technology in a global context is evident due to a drop in costs. In Africa, there is potential for expansive growth of solar PV due to favourable climatological conditions. PV systems, due to their inherent exposure to the elements, are prone to damage caused by lightning. For small- to medium-scale rooftop PV systems in particular, there is currently no well-defined methodology for assessing risk of lightning damage and determining protection requirements. In this paper, a framework for risk assessment of rooftop PV systems is proposed. The framework is applied to two practical case studies. It is found that the larger a rooftop PV system is, the higher the contribution of the PV system to the overall risk of lightning damage to the structure. These findings will lead to the further development of PV standards where in both the African and global context, continuous knowledge production in this regard is necessary.

Original languageEnglish
Title of host publication2018 IEEE PES/IAS PowerAfrica, PowerAfrica 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages402-407
Number of pages6
ISBN (Electronic)9781538641637
DOIs
Publication statusPublished - 2 Nov 2018
Externally publishedYes
Event2018 IEEE Power and Energy Society and Industrial Applications Society PowerAfrica, PowerAfrica 2018 - Cape Town, South Africa
Duration: 26 Jun 201829 Jun 2018

Publication series

Name2018 IEEE PES/IAS PowerAfrica, PowerAfrica 2018

Conference

Conference2018 IEEE Power and Energy Society and Industrial Applications Society PowerAfrica, PowerAfrica 2018
Country/TerritorySouth Africa
CityCape Town
Period26/06/1829/06/18

Keywords

  • Lightning protection
  • Photovoltaic systems
  • Risk assessment framework

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Safety, Risk, Reliability and Quality
  • Control and Optimization

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