Large-Scale Bifacial PV Test Field Performance Compared to Simulations Using Commercially Available Software, Research-Based and Open Source Tools

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The aim of this work is to provide the photovoltaic (PV) community with a validation study of eight tools used to simulate bifacial PV performance. We simulate real 26 kWp bifacial p-PERC arrays located within a 420 kWp site located in Northern Europe (55.6°N, 12.1°E). The substructures investigated include horizontal single axis trackers (HSATs) and fixed tilt racks that have dimensions analogous to those found in utility-scale PV installations. Each bifacial system has a monofacial reference system with similar front side power. We use on-site solar radiation (global, diffuse and beam) and albedo measurements from spectrally flat class A sensors as inputs to the simulation tools, and compare modeled values to field measurements of string level DC power and rear plane of array irradiance. Our results show that state-ofthe-art bifacial performance models add ~0.5% uncertainty to the PV modeling chain. For the site investigated, 2D view factor fixed tilt simulations are within ±1 % of measured monthly bifacial gain. However, simulations of single axis tracker systems are less accurate, wherein 2D view factor and 3D ray tracing are within approximately 2% and 1% of measured bifacial gain, respectively.
Original languageEnglish
Title of host publicationProceedings of 37th European Photovoltaic Solar Energy Conference and Exhibition
Publication date2020
Pages1324-1329
ISBN (Print)3-936338-73-6
DOIs
Publication statusPublished - 2020
Event37th European Photovoltaic Solar Energy Conference and Exhibition - Virtual event
Duration: 7 Sep 202011 Sep 2020
Conference number: 37
https://www.photovoltaic-conference.com/

Conference

Conference37th European Photovoltaic Solar Energy Conference and Exhibition
Number37
LocationVirtual event
Period07/09/202011/09/2020
Internet address

Keywords

  • PV Systems and Storage – Modelling
  • Design
  • Operation and Performance

Fingerprint

Dive into the research topics of 'Large-Scale Bifacial PV Test Field Performance Compared to Simulations Using Commercially Available Software, Research-Based and Open Source Tools'. Together they form a unique fingerprint.

Cite this