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

Author Question: Compare the line voltage and phase voltage on a three-phase transformer. On what type of winding are ... (Read 141 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jul 26, 2018
Compare the line voltage and phase voltage on a three-phase transformer. On what type of winding are they the same?
 
  What will be an ideal response?

Question 2

Why do large synchronous generators use an exciter?
 
  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

momtoalll

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 26, 2018
Answer to Question 1

Line voltage is measured between lines; phase voltage is measured with respect to the components within the three-phase wye or delta connection. Line voltage and phase voltage are the same in the delta connection.

Answer to Question 2

The magnitude of the output ac is controlled by the exciter current supplied to the field and the exciter output can easily be controlled as the load demand changes. In addition, the use of an exciter enables the main generator output to be taken from the stator, eliminating the need for slip rings and brushes in series with the output.


mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Jul 26, 2018
:D TYSM

cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world. Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world.
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
The line that has the yellow tag is a highpressure line and this line must be replaced with a new ... The line that has the yellow tag is a highpressure line and this line must be replaced with a new ...
Neither heat-killed S-type nor live R-type bacteria can kill mice, but simultaneous injection of bot Neither heat-killed S-type nor live R-type bacteria can kill mice, but simultaneous injection of bot
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library