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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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An International PV Collaborative to Advance Multi-climate and Performance Research.
Abstract not provided.
PV System Analysis For Tracking System Losses and Technology Comparisons.
Abstract not provided.
Scalability of the Vector Quantization Approach for Fast QSTS Simulation for PV Impact Studies.
Abstract not provided.
Design & Evaluation of a Hybrid Switched Capacitor Circuit with Wide-Bandgap Devices for Compact MVDC PV Power Conversion.
Abstract not provided.
PV-Inverter Dynamic Model Validation and Comparison Under Fault Scenarios Using a Power Hardware-in-the-Loop Testbed.
Abstract not provided.
PV-Inverter Dynamic Model Validation and Comparison Under Fault Scenarios Using a Power Hardware-in-the-Loop Testbed.
Abstract not provided.
Implementation of Synthetic Cloud Fields for PV Modeling in Distribution Grid Simulations.
Abstract not provided.
Implementation of Synthetic Cloud Fields for PV Modeling in Distribution Grid Simulations.
Abstract not provided.
Application of the Sandia Array Performance Model to Assess Multiyear Performance of Fielded CIIGS PV Arrays.
Abstract not provided.
Fully-Automated PV Array Assembly System
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Field Aging Testbed for Behind-the-Meter PV + Energy Storage
Small DC-coupled battery test systems are deployed at NREL to evaluate capacity fade models and report on performance parameters such as round-trip efficiency under indoor and outdoor deployment scenarios. Initial commercial battery products include LG Chem RESU Lithium-ion and Avalon vanadium-redox flow batteries. Adapting indoor lab-scale test methods to outdoor systems has challenges, including maintaining constant temperature and fully controlling batteries through standard discharge curves. Initial measurements show the Lithium Ion battery systems performing within expectation, near 85% round-trip efficiency. Initial lifetime modeling and measurements indicate battery capacity may degrade by 20%-35% over 10 years.