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Power injection by distributed generation and the influence of harmonic load conditions

Jan Desmet (UGent) , Colin Debruyne (UGent) , Johan Vanalme and Lieven Vandevelde (UGent)
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Abstract
The number of installed distributed generation (DG) in residential areas rapidly increases, specifically in the form of photovoltaics (PV), causing some undesired side effects such as voltage rise. Overvoltage can damage critical loads, but is also disadvantageous for the owner because inverters switch off in case of overvoltage, resulting in output loss. Since grid connected inverters essentially exhibit nonlinear behavior, harmonic interactions between large numbers of DG systems and the distribution network may occur. Also nonlinear loads inject harmonic currents and induce increased voltage drops over both phase and neutral conductors. This extra supply voltage drop can lead to an even more pronounced production loss of grid coupled inverters. This contribution gives some guidelines for the maximum power acceptance in a residential grid and the estimation of PV production losses due to overvoltage and discusses the influence of harmonic voltage drops.
Keywords
distributed generation, overvoltage, harmonic distortion, photovoltaic power, simulation

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Please use this url to cite or link to this publication:

MLA
Desmet, Jan, et al. “Power Injection by Distributed Generation and the Influence of Harmonic Load Conditions.” IEEE Power and Energy Society General Meeting PESGM, IEEE, 2010, doi:10.1109/PES.2010.5590123.
APA
Desmet, J., Debruyne, C., Vanalme, J., & Vandevelde, L. (2010). Power injection by distributed generation and the influence of harmonic load conditions. IEEE Power and Energy Society General Meeting PESGM. Presented at the IEEE Power and Energy Society 2010 General Meeting, Minneapolis, MN, USA. https://doi.org/10.1109/PES.2010.5590123
Chicago author-date
Desmet, Jan, Colin Debruyne, Johan Vanalme, and Lieven Vandevelde. 2010. “Power Injection by Distributed Generation and the Influence of Harmonic Load Conditions.” In IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE. https://doi.org/10.1109/PES.2010.5590123.
Chicago author-date (all authors)
Desmet, Jan, Colin Debruyne, Johan Vanalme, and Lieven Vandevelde. 2010. “Power Injection by Distributed Generation and the Influence of Harmonic Load Conditions.” In IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE. doi:10.1109/PES.2010.5590123.
Vancouver
1.
Desmet J, Debruyne C, Vanalme J, Vandevelde L. Power injection by distributed generation and the influence of harmonic load conditions. In: IEEE Power and Energy Society General Meeting PESGM. New York, NY, USA: IEEE; 2010.
IEEE
[1]
J. Desmet, C. Debruyne, J. Vanalme, and L. Vandevelde, “Power injection by distributed generation and the influence of harmonic load conditions,” in IEEE Power and Energy Society General Meeting PESGM, Minneapolis, MN, USA, 2010.
@inproceedings{1204844,
  abstract     = {{The number of installed distributed generation (DG) in residential areas rapidly increases, specifically in the form of photovoltaics (PV), causing some undesired side effects such as voltage rise. Overvoltage can damage critical loads, but is also disadvantageous for the owner because inverters switch off in case of overvoltage, resulting in output loss.
Since grid connected inverters essentially exhibit nonlinear behavior, harmonic interactions between large numbers of DG systems and the distribution network may occur. Also nonlinear loads inject harmonic currents and induce increased voltage drops over both phase and neutral conductors. This extra supply voltage drop can lead to an even more pronounced production loss of grid coupled inverters.
This contribution gives some guidelines for the maximum power acceptance in a residential grid and the estimation of PV production losses due to overvoltage and discusses the influence of harmonic voltage drops.}},
  author       = {{Desmet, Jan and Debruyne, Colin and Vanalme, Johan and Vandevelde, Lieven}},
  booktitle    = {{IEEE Power and Energy Society General Meeting PESGM}},
  isbn         = {{9781424465491}},
  issn         = {{1944-9925}},
  keywords     = {{distributed generation,overvoltage,harmonic distortion,photovoltaic power,simulation}},
  language     = {{eng}},
  location     = {{Minneapolis, MN, USA}},
  pages        = {{6}},
  publisher    = {{IEEE}},
  title        = {{Power injection by distributed generation and the influence of harmonic load conditions}},
  url          = {{http://dx.doi.org/10.1109/PES.2010.5590123}},
  year         = {{2010}},
}

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