Flux ( field ) weakening allows a BLDC motor to exceed its base speed by deliberately misaligning the magnetic fields of the stator windings with the rotor magnets, effectively weakening the overall magnetic flux. This reduces the back-EMF, allowing the motor to spin faster but at the cost of reduced torque. The control unit achieves this by slightly delaying or advancing the commutation timing relative to the rotor position. How it Works 1. Normal Operation (Base Speed): In standard BLDC operat
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