Purchase Solution

Induction motor typical calculation.

Not what you're looking for?

Ask Custom Question

A three-phase 230 V, 30 hp, 60 Hz, six-pole induction motor is operating with a shaft load that requires 21.3 kW to cross the air gap to the rotor. Rotor copper loss 1.05 kW, and mechanical and stray load losses are 300 W. Determine:

a. shaft speed;
b. mechanical power developed;
c. developed torque;
d. shaft torque; and,
c. percent of rated hp the machine is required to deliver to the load

Purchase this Solution

Solution Preview

1. Electrical power system connections:

Wye connection:

Delta connection:

The line-to-line voltages of the equipment will always be seen from the system point of view. So the power system and individual equipment information given for study or research all refer to the line-to-line voltage. It is more practical and also becomes a tradition that electrical engineers do things using such kind of criteria.

2. RMS values

RMS values usually ...

Purchase this Solution


Free BrainMass Quizzes
Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Basic Physics

This quiz will test your knowledge about basic Physics.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.