This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What advantages do three phase motors have over single phase motors? What will be an ideal ... (Read 198 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 26, 2018
What advantages do three phase motors have over single phase motors?
 
  What will be an ideal response?

Question 2

About how many dice ice cubes would it take to equal one pound of ice?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 26, 2018
Answer to Question 1

The advantages that three phase motors have over single phase motors are:

 They are easily reversible. The direction of rotation can be changed by interchanging any two supply voltage lines.

 There is less running torque pulsation because at least one phase is always producing an induced rotational effect on the rotor.
 They have higher starting torque because each winding is out of phase with the other windings and produces rotational torque.

 They have higher efficiency.

Answer to Question 2

48


fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Jul 26, 2018
Thanks


juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 26, 2018
Welcome :)


« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Advantages and disadvantages of select temperature measurement sites Advantages and disadvantages of select temperature measurement sites
Single- and Double-Blind Procedures Single- and Double-Blind Procedures
The Phases of the Menstrual Cycle: Follicular Phase and Luteal Phase The Phases of the Menstrual Cycle: Follicular Phase and Luteal Phase
Advantages and Disadvantages of Managed Care Advantages and Disadvantages of Managed Care
Examples of Human Disorders Caused by Single-Gene Mutations Examples of Human Disorders Caused by Single-Gene Mutations
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library