How a motor’s operating speed, torque and control strategy affect its efficiency
Charged
MAY 31, 2022
Another potential downside to operating a PMSM, specifically, at high enough speeds to require field-weakening is that this actually costs energy, as some portion of the stator current then goes towards opposing the field produced by the rotor magnets, rather than working with it to produce torque. not field-weakened) mode.
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