Hi! I this Appnote can answer your questions:
https://www.infineon.com/dgdl/Infine...70f23529817afa
To measure the phase voltage you can directly apply an oscilloscope probe to each phase terminal of the motor, all referred to the ground terminal of your application.
https://www.infineon.com/dgdl/Infine...70f23529817afa
To measure the phase voltage you can directly apply an oscilloscope probe to each phase terminal of the motor, all referred to the ground terminal of your application.