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UM1052 Back emf waveform

SRedd.5
Senior III

In the determination of the Hall electrical phase shift shown in the UM1052 document


_legacyfs_online_stmicro_images_0693W00000bl31EQAQ.pngPlease tell me BemfC i am assuming it is C with respect to A ?

BemfA is Phase A with respect to B?

BemfB is Phase B with respect to C?

I mean it is the phase to phase voltage and not phase to neutral voltage?

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