NASA NTRS · 19870000312
Computerized Torque Control for Large dc Motors
Abstract
Speed and torque ranges in generator mode extended. System of shunt resistors, electronic switches, and pulse-width modulation controls torque exerted by large, three-phase, electronically commutated dc motor. Particularly useful for motor operating in generator mode because it extends operating range to low torque and high speed.
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Willett, Richard M., Carroll, Michael J., Geiger, Ronald V.. 1987-07-01. Computerized Torque Control for Large dc Motors. https://ntrs.nasa.gov/citations/19870000312
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