Three-Phase Induction Motor Concepts

Three-Phase Induction Motor Concepts

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the construction of a three-phase induction motor, commonly used in various industries. It details the motor's main components: the stator, rotor, and end bells. The stator is stationary and consists of a core, conducting wire, and frame. The rotor is the rotating part, with a core, conducting rods, and end rings. The tutorial describes the assembly process, including winding the stator, inserting conducting rods into the rotor, and attaching end bells to complete the motor.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some common applications of a three-phase induction motor?

Escalators and paper industries

Automobiles

Home appliances

Medical equipment

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which parts are considered the main components of a three-phase induction motor?

Stator, rotor, and end bells

Core, wire, and frame

Rings, rods, and slots

Shaft, bearings, and casing

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What material is the stator core made of?

Copper

Plastic

Aluminum

High-grade alloy steel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the cooling fins on the stator frame?

To enhance electrical conductivity

To improve motor speed

To reduce noise

To increase heat dissipation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What distinguishes a squirrel cage rotor from a phase wound rotor?

The orientation of the slots

The material of the core

The number of end rings

The type of conducting rods

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the conducting rods in the rotor typically made of?

Glass

Wood

Plastic

Copper, aluminum, or alloys

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in constructing a three-phase induction motor?

Winding the conducting wires on the stator core

Inserting the rotor into the stator

Connecting the motor to a power supply

Attaching the end bells

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