DOE OSTI · code-161825
OPET Hardware (Open PV Electrical Tool Hardware) [SWR-25-42]
Abstract
OPET (Open-source Photovoltaic Electrical Tool) is used for performance measurements of solar photovoltaic (PV) devices in the field under natural sunlight or in the lab under artificial light. Its primary use is in research and development of solar cells and modules, specifically in reliability and durability research of PV devices. Some features and functions include: -IV curve measurements with linear or cosine distributed measurement points -PV device active loading at open circuit voltage (Voc), short circuit current (Isc) and maximum power point (Pmp) -Bias power supply to overcome series resistance in contact wires for Isc measurements and loading -PV voltage input in five ranges from 1V to 100V -PV current input ranges -Low current version, six current ranges from 1.1mA to 340mA -High current version, six current ranges from 50mA to 15A -IO ports for I2C and SPI temperature sensor Arduino extension boards -Integrated fan control This repository contains everything relating to the hardware of the OPET device. If you are looking for the firmware or software repositories, links are below: https://github.com/NREL/opet-firmware https://github.com/NREL/opet-control
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McDanold, Byron [National Renewable Energy Laboratory (NREL), Golden, CO (United States)], Silverman, Timothy [National Renewable Energy Laboratory (NREL), Golden, CO (United States)] (0000000349517994), Reese, Matthew [National Renewable Energy Laboratory (NREL), Golden, CO (United States)], Bliss, Martin [Loughborough Univ. (United Kingdom)]. 2025-06-17. OPET Hardware (Open PV Electrical Tool Hardware) [SWR-25-42]. https://doi.org/10.11578/dc.20250827.1
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