A400 V , 50 Hz, 30 hp , three-phase induction motor is drawing 50 A current at 0.8 power factor lagging. The stator and rotor copper losses are 1.5 kW and 900 W respectively. The friction and wind age losses are 1050 W and the core losses are 1200 W . Find the air-gap power of the motor.

A400 V , 50 Hz, 30 hp , three-phase induction motor is drawing 50 A current at 0.8 power factor lagging. The stator and rotor copper losses are 1.5 kW and 900 W respectively. The friction and wind age losses are 1050 W and the core losses are 1200 W . Find the air-gap power of the motor.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

See similar textbooks

Related questions

Q: Frequency of emf in the stator of a 8 pole induction motor is 50Hz and the rotor emf frequency is…

Q: Discuss the effects of rotor resistance in T-S characteristics of 3 phase induction motor.

Q: In the DC shunt generator, the induced voltage in idle operation is 127V. Output voltage when loaded…

Q: Design and develop equivalent circuit model of a single phase Induction motor with th consideration…

A: It is asked to develop equivalent circuit model of a single phase induction motor.Also it is…

Q: A 3-phase 6-pole Y connected induction motor is supplied from a 3-phase 50 Hz AC source. it draws an…

A: synchronous speed=120×fP. power input to rotor= power input to stator- stator losses. Mechanical…

Q: What are the main parts of an single phase induction motor? Explain the function each.

A: In this question , we will define parts of single phase induction motor..

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

A400 V, 50 Hz, 30 hp , three-phase induction motor is drawing 50 A current at 0.8 power factor
lagging. The stator and rotor copper losses are 1.5 kW and 900 W respectively. The friction and
wind age losses are 1050 W and the core losses are 1200 W. Find the air-gap power of the motor.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

1. The operation of Commutator in DC Motor is * O a) to convert dc to ac O b) to convert ac to dc O c) to convert fixed dc to variable dc O reverse the current direction in the rotating windings each half turn
• Q5/ in a DC motor. List and describe the types of losses that occur
8. A 3-phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is ............ (i) 20 W (iii) 500 W (ii) 980 W (iv) 200 W
(6) The air gap power of 440 V, 50 HZ 6 pole 3- phase induction motor is 100 KW. The rotor frequency is 1.3 HZ. Find rotor copper losses per phase.
A three –phase, 440V, 50 Hz, 6 – pole induction motor running at 950 rpm takes 50 kW at certain load. The friction and windage loss is 1.5 kW and the stator losses = 1.2 kW. Determine the output from the rotor. (a). 42.68 kW (b). 46.48 kW (c). 48.80 kW (d). 44. 86 kW
I need the answer as soon as possible
Write a summary ( point) about equivalent cricuit of three phase induction motor .
L-1). The 3-phase wound-rotor induction motor has .... . a) high starting torque b) low starting current c) both "a" and "b" d) neither "a" nor "b" L-2). The 3-phase wound-rotor induction.........a) motor has a wire wound rotor b) motor's rotor can be connected to an external resistive load by way of slip rings and brushes c) motor requires more maintenance than the 3-phase squirrel-cage induction motor d) all of the above L-3). The 3-phase wound-rotor induction motor's rotor circuit's resistance should be adjusted so it is__________ during starting. a) low b) high c) either "a" or "b" d) neither "a" nor "b" L-4). Will a 3-phase wound-rotor induction motor start with no external circuit connected to its rotor leads? a) yes b) no
Please solve the problem
Here it is the equivalent circuit of and induction motor and it is per phase circuit my question is name for me the variable for example R1 is the winding resistance and so an the all variable and please show me a pic of the real machine with the variable for example for R1 happens because of the winding i need to see the winding in the real machine, please help me to understand well
The winding of a 4-pole alternator having 36 slots and a coil span of 1 to 8 is short-pitched by ........... degrees. 150 40. 90 20 Brushless excitation system consisting of: Stator field winding and power diodes stator and rotor field winding and capacitor stator and rotor field winding and power diodes Everything mentioned in the options Full Name : *
i need the answer quickly