Impact of Grid Connected Photovoltaic System in the Power Quality of a Distribution Network

  • Pedro González
  • Enrique Romero-Cadaval
  • Eva González
  • Miguel A. Guerrero
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 349)

Abstract

Photovoltaic (PV) systems are increasingly present in the electrical distribution systems due to the governments incentives and low production costs of a developed PV technology. This paper summarizes the measurements on power quality (PQ) parameters carried out in a radial distribution network in two periods of time, before and after connecting a PV plant to the grid, and also shows the same parameters measured in the point of common coupling (PCC) of the grid and PV plant in order to discuss about how the impedance of the grid and ratio between injected power and power demanded by the load may influence changes on the PQ of the distribution system. Some measured values are compared with the limits set in the international standards. This paper assesses the impact of PV generation on the distribution system and important issues such as reverse power flow and harmonic distortion are analyzed.

Keywords

PV grid connected systems power quality distributed generation 

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Copyright information

© IFIP International Federation for Information Processing 2011

Authors and Affiliations

  • Pedro González
    • 1
  • Enrique Romero-Cadaval
    • 1
  • Eva González
    • 1
  • Miguel A. Guerrero
    • 1
  1. 1.Power Electrical and Electronic Systems (PE&ES), School of Industrial EngineeringUniversity of ExtremaduraSpain

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