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The following data were obtained from tests performed on a 460V, 60 three-phase induction motor Hz and connected in ∆ (delta):   Input power [W] Line current [A] Line voltage [V]  No-load test  380 1.15 460 Locked rotor test  14.7 2.1 21   It can be assumed that the friction and wind losses are 21 W and the resistance between any two terminals of the stator is 1.2Ω. Determine:  a. The Y engine model parameters. b. Determine its efficiency if you work with a 5% slip.

The following data were obtained from tests performed on a 460V, 60 three-phase induction motor Hz and connected in ∆ (delta):   Input power [W] Line current [A] Line voltage [V]  No-load test  380 1.15 460 Locked rotor test  14.7 2.1 21   It can be assumed that the friction and wind losses are 21 W and the resistance between any two terminals of the stator is 1.2Ω. Determine:  a. The Y engine model parameters. b. Determine its efficiency if you work with a 5% slip.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The following data were obtained from tests performed on a 460V, 60 three-phase induction motor Hz and connected in ∆ (delta):

  Input power [W] Line current [A] Line voltage [V] 
No-load test  380 1.15 460
Locked rotor test  14.7 2.1 21

 

It can be assumed that the friction and wind losses are 21 W and the resistance between any two terminals of the stator is 1.2Ω. Determine: 

a. The Y engine model parameters.

b. Determine its efficiency if you work with a 5% slip.

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