Learning & Resources
Field Knowledge.
Field Ready.
Guides and articles written for PV professionals — IV curve interpretation, STC correction, bifacial testing, and more.
Guides & Articles
Learning &
Resources.
Field testing guides, methodology explainers, and technical references for solar PV professionals. Search by keyword or filter by topic.
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Field Testing Guide
IV Curve Tracing vs. Isc Measurement
A practical comparison of both measurement approaches — what each method tells you, where it falls short, pros and cons of each, and how to choose the right one for the task at hand.
Field Testing Guide
Reading IV Curves: A Field Technician's Guide
What a healthy IV curve looks like, how six common fault types deform it, and when alternative test methods can identify the same issue faster — or catch what the IV curve misses.
Field Testing Guide
Testing Bifacial PV Modules in the Field
Step-by-step workflows for Isc screening and IV curve tracing on bifacial strings, including rear irradiance sensor setup, Geff calculation, and STC correction for commissioning and O&M.
Field Testing Concept
Understanding the Geff Calculation
A plain-language explanation of effective irradiance — what it is, why front-side irradiance alone falls short for bifacial modules, and how to calculate Geff correctly in the field with a worked numerical example.
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