Tech Videos
Brushless DC motor animation
This animation shows the correct sequence for commutating a three phase brushless DC motor containing four rotor poles and six stator poles.
Three hall-effect sensors are included with 120° spatial separation. The hall sensor output waveforms are shown, which drive the commutation process. The three phase voltage waveforms are also shown, including the effects of inductive flyback. The voltage waveforms are synchronised to an inverter diagram showing which transistors are driven for each commutation state.
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