NASA NTRS · 19780000303
Hall devices improve electric motor efficiency
Abstract
Efficiency of electric motors and generators is reduced by radial magnetic forces created by symmetric fields within device. Forces are sensed and counteracted by Hall devices on excitation or control windings. Hall generators directly measure and provide compensating control of anu asymmetry, eliminating additional measurements needed for calibration feedback control loop.
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Haeussermann, W.. 1979-01-01. Hall devices improve electric motor efficiency. https://ntrs.nasa.gov/citations/19780000303
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