Overview
Personal Profile
Lee Jay Fingersh joined NLR in 1993. For seven years, he was the test engineer on the Unsteady Aerodynamics Experiment turbine, which culminated in the NASA Ames wind tunnel test. Fingersh has worked on the design and controls for the variable-speed test bed and administered many experiments. In addition, Fingersh was an integral part of the team that designed the 2.5-MW dynamometer currently in use at the NWTC. Fingersh has written papers on wind, hydrogen, and battery integration. He has worked on the Controls Advanced Research Turbines (CART), including writing the control systems specifications and developing the three-bladed CART turbine. Fingersh has supported many industry projects including blade tests, dynamometer tests, and full-system developments for GE, the Wind Turbine Company, Clipper, Southwest Windpower, and Windward. Fingersh has served as a founding member and judge for the Collegiate Wind Competition. Most recently, Fingersh has worked on distributed wind and wave energy.
Research Interests
Power Electronics
Electric Machines
Controls
Aerodynamics
Data Acquisition
Data Processing
Field Testing
Education/Academic Qualification
Master, Science in Electrical and Electronics Engineering, University of Colorado Boulder
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Collaborations and Top Research Areas From the Past 5 Years
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A Methodology for Measuring Blade Clearance on an Operating Utility-Scale Wind Turbine
Roadman, J., Bortolotti, P., Fingersh, L. J., Ivanov, C., Iverson, M., Jager, D., Slaughter, D., Thao, S. & van Dam, J., 2026, 23 p.Research output: NLR › Technical Report
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High Temperature Alternator for Geothermal Applications
McGilton, B. (Inventor) & Fingersh, L. (Inventor), 2026, National Laboratory of the Rockies (NLR), Patent No. 12,620,881 B2, 5 May 2026Research output: Patent
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On High-Temperature Dynamometer Test Stand Development
Skinner, M., Kesseli, D., Lambert, S., McGilton, B., Labuschagne, C., Sindler, P. & Fingersh, L. J., 2026, 20 p.Research output: NLR › Technical Report
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Design and Performance Validation of a High-Temperature Downhole Permanent Magnet Generator Used for an Electro-Pulse Boring System in Geothermal Energy Applications: Article No. 123376
Labuschagne, C., McGilton, B., Fingersh, L. J., Kesseli, D., Skinner, M., Lambert, S. & Sindler, P., 2025, In: Renewable Energy. 252, 13 p.Research output: Contribution to journal › Article › peer-review
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Optimizing Grid Regulation With Gravity Storage Systems: A Comparative Analysis With Different Motor Inertias
Sundeep, S., Sethuraman, L., Akindipe, D., Fingersh, L. J., Wenrick, Z. & Munoz, A., 2025, p. 323-330. 8 p.Research output: Contribution to conference › Paper
4 Scopus Citations