An alternative internet-of-things solution based on LOra for PV power plants: Data monitoring and management

Journal ar
  • Volumen: 12
  • Número: 5
  • Fecha: 01 January 2019
  • ISSN: 19961073
  • Source Type: Journal
  • DOI: 10.3390/en12050881
  • Document Type: Article
  • Publisher: MDPI AG Postfach Basel CH-4005
© 2019 by the authors. This paper proposes a wireless low-cost solution based on long-range (LoRa) technology able to communicate with remote PV power plants, covering long distances with minimum power consumption and maintenance. This solution includes a low-cost open-source technology at the sensor layer and a low-power wireless area network (LPWAN) at the communication layer, combining the advantages of long-range coverage and low power demand. Moreover, it offers an extensive monitoring system to exchange data in an Internet-of-Things (IoT) environment. A detailed description of the proposed system at the PV module level of integration is also included in the paper, as well as detailed information regarding LPWAN application to the PV power plant monitoring problem. In order to assess the suitability of the proposed solution, results collected in real PV installations connected to the grid are also included and discussed.

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