The current is commutated in such a way that the phase current is in phase with phase back-EMF to get the best motor performance. If the zero crossing of the back-EMF is known, then the engineer knows when to commutate the phase current.
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The current is commutated in such a way that the phase current is in phase with phase back-EMF to get the best motor performance. If the zero crossing of the back-EMF is known, then the engineer knows when to commutate the phase current.
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