which rotor velocity should I use to calculate the slip? Wm or Wr?

6 vues (au cours des 30 derniers jours)

João Oliveira le 26 Avr 2014

Déplacé(e) : Sabin le 22 Déc 2023

Hi,

When using the asynchronous machine SI block of Simulink which rotor velocity should I use to calculate the slip?

slip =(Ws-Wm)/Ws

slip =Ws-Wr/Ws Where Wr=(pair poles) * Wm

If I the second option the slip usually results in high values. Is this normal?

Ahsan Rizvi le 20 Avr 2016

Déplacé(e) : Sabin le 22 Déc 2023

first one is true since ws - wm = wr which is slip ,where ws = sychronous speed of stator magnetic field and wm = shaft speed

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