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Why multiplied the -1*2^15 with IdEObsrv in the model of S12ZVM_FOC_Sensorless?

Question asked by Eden Li on May 11, 2017
Latest reply on May 12, 2017 by dumitru-daniel.popa

Hi Daniel,

About the model of S12ZVM_FOC_Sensorless,shown as below, i wanna make sure the IdEObsrv(Part A shown) and IqEObsrv(Part B shown) is EMF or not ?  i  thought is EMF, my reason ,EMF contains the position and speed of rotor, to get the Postion of the rotor using the arctan() Function,namely Theat=arctan(EAlpha/EBeta),

and there is another doubt that the -1*2^15 in Part C,why we multiplied the -1*2^15 with IdEObsrv?