I need a solution from an expert, not asolution based on artificial intelligence,supported by a diagram, equation, or drawingexclusively.I. What is the effect of load on the efficiency of an inductionmotor?II. Explain the term air-gap power or power developed in therotor and shaft power. How these terms are related to eachother?III.Derive an expression for the rotor copper loss in terms of slipand input to the rotor?IV. What are the various losses in an induction motor? On whatV.factors do they depend?List the different types of stray load losses in an inductionmotor.

Step 1:1)The efficiency of an induction motor depends significantly on the load it drives.…

Answered: I need a solution from an expert, not a…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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Similar questions

What are the active components of three-phase Induction Motor? b) Derive an expression for the frequency in the rotor circuit of three-phase IM? c) Draw with details the approximate per phase equivalent circuit of three-phase IM? d) Why the iron loss in rotor of an induction motor is negligible?
8. Homework: III. IV. V. What is the effect of load on the efficiency of an induction motor? Explain the term air-gap power or power developed in the rotor and shaft power. How these terms are related to each other? Derive an expression for the rotor copper loss in terms of slip and input to the rotor? What are the various losses in an induction motor? On what factors do they depend? List the different types of stray load losses in an induction motor.
. When a self-excited compound DC generator supplies load, the terminal voltage is not the same as the generated emE Why? a) voltage drop across the armature resistance will reduce the voltage available at the load terminals b) where there is a series field, voltage drop across the series field resistance will reduce the voltage available at the load terminals c) both "a" and "b" d) neither "a" nor "b"
Q4/B/ What are the principal characteristics of a series DC motor? What are its uses? Core Mc
A 12-kW, 250-V dc. shunt generator has armature and field resistances of 0.68 ohm and 120 ohm. respectively. Determine the total armature power developed in generator.
5.23. A 50-kW, 250-V, 600-rpm, separately excited generator has an armature resistance of 0.05 . The generator supplies the rated load at its rated volt- age. The field-winding circuit has a resistance of 100 and is connected across a 200-V source. The rotation loss is 5 kW. Determine the efficiency, the applied torque, and the voltage regulation when the armature reaction is zero.
Examine the saddle torque of induction motors and the effect of different groove structures on the saddle torque.
D.C. generator
Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction motor? Explain your answer.

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