A 3phase induction motor has the following date. Stator resistance R₁ = 192, reactance X₁ = 392 Rotor stand still R₂ = 192, reactance X₂ = 292 No load Exciting circuit impedance is 10 + j 50 9 Voltage per phase V₁ = 250 volts, stator: Rotor turns ratio = 1 i.e. k = .1. Slip = 0.05 Show these values in the equivalent circuit and work out 1. Stator current (1₁) 2. Equivalent rotor current 4. Motor efficiency 3. Output (Mechanical) . (12) S

A 3phase induction motor has the following date. Stator resistance R₁ = 192, reactance X₁ = 392 Rotor stand still R₂ = 192, reactance X₂ = 292 No load Exciting circuit impedance is 10 + j 50 9 Voltage per phase V₁ = 250 volts, stator: Rotor turns ratio = 1 i.e. k = .1. Slip = 0.05 Show these values in the equivalent circuit and work out 1. Stator current (1₁) 2. Equivalent rotor current 4. Motor efficiency 3. Output (Mechanical) . (12) S

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

A 3phase induction motor has the following date.
Stator resistance R₁ = 192, reactance X₁ = 392
Rotor stand still R₂ = 122, reactance X₂ = 29
No load Exciting circuit impedance is 10 + j 50 92
Voltage per phase V₁ = 250 volts, stator : Rotor turns ratio = 1 i.e. k = .1. Slip = 0.05
Show these values in the equivalent circuit and work out
Equivalent rotor current (12)
1. Stator current (1₁)
3.
Output (Mechanical)
BOZO
2.
4.
Motor efficiency
pot beneist ist

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