Air Mass
Air mass describes the path length sunlight travels through Earth’s atmosphere before reaching a solar module.
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What does Air Mass mean?
Air mass describes the path length sunlight travels through Earth’s atmosphere before reaching a solar module.
Why is air mass part of Standard Test Conditions?
The standard AM 1.5 value approximates a common sunlight spectrum for testing solar modules. It gives the industry a shared yardstick, because comparing modules without a standard would be a solar-flavored mess.
How it relates to Tigo
Air mass is part of the STC framework used in module ratings that inform Tigo system design.
Related glossary terms
- Standard Test Conditions
- Irradiance
- Module Wattage