Empirical Characterization of Non-Intentional Emissions generated by PV Installations

Authors

  • G. Txertudi Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author
  • U. Txertudi Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author
  • M. Fernández Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author
  • A. Gallarreta Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author
  • J. González-Ramos Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author
  • D. de la Vega Bilbao Engineering College, University of the Basque Country (UPV/EHU), Bilbao, Spain Author

DOI:

https://doi.org/10.52152/3910

Keywords:

Power Line Communications, Photovoltaic Installations, Non-Intentional Emissions, Impedance Measurements

Abstract

Non-Intentional Emissions (NIEs) generated by solar photovoltaic (PV) systems have significantly increased concerns about disturbances in the 9-150 kHz band of the lowvoltage distribution grid, which can lead to failures or cause thermal stress in the devices connected to the grid. Moreover, these emissions can cause interference in narrowband power line communications (NB-PLCs). This paper presents a characterization of emissions generated by different real PV systems. Specifically, measurement campaigns were carried out in isolated PV systems, which employed different panel configurations, as well as in a grid-connected system. The analysis of the NIEs allows the identification of the frequencies and amplitudes of the emissions, as well as the evaluation of the NIEs variation over time. In addition, the impedances of the PV systems were also measured to correlate impedance variations with emissions.

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Published

2024-07-21

Issue

Vol. 22 No. 1 (2024)

Section

Articles