The effect of grid operating conditions on the current controller performance of grid connected photovoltaic inverters

Hong Soo Goh, Matthew Armstrong, Bashar Zahawi

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

18 Scopus citations

Abstract

This paper investigates the interactions which arise between grid connected photovoltaic inverter systems and the electrical grid. In particular, it considers the effect of grid voltage harmonics and grid impedance on the current control performance of grid connected inverter systems. In these photovoltaic inverter systems it is usual to control unity power factor, sinusoidal, current into the grid with low levels of distortion. However, due to the time varying nature of the grid it can be difficult to design a system which will always meet power quality standards. To overcome this problem, a better understanding of the impact of the grid operating conditions on the performance of the inverter is required.

Original languageBritish English
Title of host publication2009 13th European Conference on Power Electronics and Applications, EPE '09
StatePublished - 2009
Event2009 13th European Conference on Power Electronics and Applications, EPE '09 - Barcelona, Spain
Duration: 8 Sep 200910 Sep 2009

Publication series

Name2009 13th European Conference on Power Electronics and Applications, EPE '09

Conference

Conference2009 13th European Conference on Power Electronics and Applications, EPE '09
Country/TerritorySpain
CityBarcelona
Period8/09/0910/09/09

Keywords

  • Harmonics
  • Photovoltaic
  • Power quality
  • Renewable energy systems
  • Voltage Source Inverters (VSI)

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