PV Derived Data for Predicting Performance; NREL (National Renewable Energy Laboratory)
Conference
·
OSTI ID:1215353
A method is described for providing solar irradiance data for modeling PV performance by using measured PV performance data and back-solving for the unknown direct normal irradiance (DNI) and diffuse horizontal irradiance (DHI), which can then be used to model the performance of PV systems of any size, PV array tilt, or PV array azimuth orientation. Ideally situated for using the performance data from PV modules with micro-inverters, the PV module operating current is used to determine the global tilted irradiance (GTI), and a separation model is then used to determine the DNI and DHI from the GTI.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI ID:
- 1215353
- Report Number(s):
- NREL/PO-5J00-64707
- Resource Relation:
- Conference: Solar Power International, 14-17 September 2015, Anaheim, California
- Country of Publication:
- United States
- Language:
- English
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