Question

A $3 \phi$, four-pole, $440 \mathrm{~V}, 60 \mathrm{~Hz}, Y$-connected induction motor has the following parameters: $R_s=0.22 \Omega, X_s=1.3 \Omega, X_r^{\prime}=1.0 \Omega, R_r^{\prime}=$ $0.1 \Omega$, and it is assumed that $X_m=\infty$. Find the torque developed at starting if rated voltage is applied to the machine terminals.

   A $3 \phi$, four-pole, $440 \mathrm{~V}, 60 \mathrm{~Hz}, Y$-connected induction motor has the following parameters: $R_s=0.22 \Omega, X_s=1.3 \Omega, X_r^{\prime}=1.0 \Omega, R_r^{\prime}=$ $0.1 \Omega$, and it is assumed that $X_m=\infty$. Find the torque developed at starting if rated voltage is applied to the machine terminals.

Show more…

Essentials of Electrical and Computer Engineering

Essentials of Electrical and Computer Engineering

David V. Kerns, Jr.,… 1st Edition

Chapter 16, Problem 10

Instant Answer

Step 1

- Stator resistance, \( R_s = 0.22 \, \Omega \) - Stator reactance, \( X_s = 1.3 \, \Omega \) - Rotor reactance (reflected to stator), \( X_r' = 1.0 \, \Omega \) - Rotor resistance (reflected to stator), \( R_r' = 0.1 \, \Omega \) - Supply voltage, \( V Show more…

Show all steps

lock

Thanks for your feedback!

A $3 \phi$, four-pole, $440 \mathrm{~V}, 60 \mathrm{~Hz}, Y$-connected induction motor has the following parameters: $R_s=0.22 \Omega, X_s=1.3 \Omega, X_r^{\prime}=1.0 \Omega, R_r^{\prime}=$ $0.1 \Omega$, and it is assumed that $X_m=\infty$. Find the torque developed at starting if rated voltage is applied to the machine terminals.

Play audio

Feedback

Powered by NumerAI

Ace is your personal tutor. It breaks down any question with clear steps so you can learn.

Start Using Ace

Continue solving this problem

Create a free account to:

View full step-by-step solution
Ask follow-up questions with Ace AI
Save progress and study later