Notable changes in the performance of a photovoltaic system due to the dirt and cleaning cycles of PV-array

M. Gerardo Moheyer, Marco A. Ramos, Edgar R. Sandoval, Nun Pitalua-Diaz, Rene Asomoza, Gabriel Romero-Paredes, Yasuhiro Matsumoto

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

Abstract

Performance ratio (PR) of 60 kWp photovoltaic system (PVS) were measured considering the soiling effect in the interval of December 2019 to January 2020. Towards final week of December 2019, the PVS started showing a poor PR due to the natural soiling in a photovoltaic-array, but due to rainfall at mid-January 2020, the PR was recuperated. The average PR for January was 71.1%, but the cleaned PV-array by the rainfall showed an about 14 points of increment in energy generation from 63.3 to 77.3 %. Also, it is discussed the average generated energy during 2019 which was 267.8 kWh/day and in 2020, it was 273.3 kWh/day, with the corresponding PR of 76.7% and 76.8%, respectively.

Original languageEnglish
Title of host publication2021 IEEE 48th Photovoltaic Specialists Conference, PVSC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages656-659
Number of pages4
ISBN (Electronic)9781665419222
DOIs
StatePublished - 20 Jun 2021
Event48th IEEE Photovoltaic Specialists Conference, PVSC 2021 - Fort Lauderdale, United States
Duration: 20 Jun 202125 Jun 2021

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Conference

Conference48th IEEE Photovoltaic Specialists Conference, PVSC 2021
Country/TerritoryUnited States
CityFort Lauderdale
Period20/06/2125/06/21

Bibliographical note

Funding Information:
We would acknowledge Mr. Mart?n Jim?nez and Mr. Miguel Angel Luna for their kind support to overcome measurements and logistics.

Publisher Copyright:
© 2021 IEEE.

Keywords

  • PV system performance ratio
  • PV-array soiling
  • pyranometer
  • solar irradiation
  • temperature and wind dependences

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