Impact of high PV penetration on voltage profiles in residential neighborhoods

R. Tonkoski, D. Turcotte, T. H.M. El-Fouly

Research output: Contribution to journalArticlepeer-review

466 Scopus citations

Abstract

The objective of this paper is to provide an assessment on voltage profiles in residential neighborhoods in the presence of photovoltaic (PV) systems. The network was modeled in PSCAD using common feeder characteristics that Canadian system planners use in suburban residential regions. A simulation study was performed to investigate potential voltage rise issues in the network up to 11.25% total PV penetration in the feeder and LV transformer capacity penetration up to 75%. Results indicate that the PV penetration level should not adversely impact the voltage on the grid when the distributed PV resources do not exceed 2.5 kW per household on average on a typical distribution grid. Moreover, the role of feeder impedance, feeder length, and the transformer short circuit resistance in the determination of the voltage rise is quantified.

Original languageBritish English
Pages (from-to)518-527
Number of pages10
JournalIEEE Transactions on Sustainable Energy
Volume3
Issue number3
DOIs
StatePublished - 2012

Keywords

  • Grid disturbances
  • overvoltage
  • power distribution
  • power system modeling
  • power system planning and power quality
  • solar power generation

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