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You searched for subject:(Precor Elliptical Machine). One record found.

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1. Lovgren, Nicholas Keith. Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter.

Degree: MS, Electrical Engineering, 2011, Cal Poly

This thesis presents an active clamp forward converter for use in the Energy Harvesting From Exercise Machines project.  Ideally, this converter will find use as the centerpiece in a process that links elliptical trainers to the California grid.  This active clamp forward converter boasts a 14V-60V input voltage range and 150W power rating, which closely match the output voltage and power levels from the elliptical trainer.  The isolated topology outputs 51V, higher than previous, non-isolated attempts, which allows the elliptical trainers to interact with a central grid-tied inverter instead of many small ones.  The final converter operated at greater than 86% efficiency over most of the elliptical trainer’s input range, and produced very little noise, making it a solid choice for this implementation. Advisors/Committee Members: David B. Braun.

Subjects/Keywords: DC-DC Converter; Active Clamp Forward Converter Topology; Switch Mode Transformer; Energy Harvesting From Exercise Machines; Zero Voltage Switching; Precor Elliptical Machine; Power and Energy

…4 Figure 1-3: Precor EFX 546i Elliptical Trainer… …12 Figure 2-2: Block Diagram of Precor Self-Powered Elliptical Trainers… …excess energy generated by Precor elliptical trainers into grid-tied electricity. Most… …out of Clearwater, Florida, uses this sort of approach in their Precor elliptical trainer… …retrofits small fleets of Precor elliptical trainers, and then feeds the DC power through one or… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Lovgren, N. K. (2011). Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter. (Masters Thesis). Cal Poly. Retrieved from https://digitalcommons.calpoly.edu/theses/520 ; 10.15368/theses.2011.78

Chicago Manual of Style (16th Edition):

Lovgren, Nicholas Keith. “Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter.” 2011. Masters Thesis, Cal Poly. Accessed October 22, 2019. https://digitalcommons.calpoly.edu/theses/520 ; 10.15368/theses.2011.78.

MLA Handbook (7th Edition):

Lovgren, Nicholas Keith. “Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter.” 2011. Web. 22 Oct 2019.

Vancouver:

Lovgren NK. Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter. [Internet] [Masters thesis]. Cal Poly; 2011. [cited 2019 Oct 22]. Available from: https://digitalcommons.calpoly.edu/theses/520 ; 10.15368/theses.2011.78.

Council of Science Editors:

Lovgren NK. Energy Harvesting From Exercise Machines: Forward Converters with a Central Inverter. [Masters Thesis]. Cal Poly; 2011. Available from: https://digitalcommons.calpoly.edu/theses/520 ; 10.15368/theses.2011.78

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