Interested to Buy Any Domain ? << Click Here >> for more details...
Why DC excitation is used for alternators? Why cant it be AC?
- 35 Answers
- 78069 Views
- ABB, Ace Info, Alstom, Shalivahana Power, I also Faced
- E-Mail Answers
Answer Posted / xengso0nax
alternator is sync. machine which not self start,so we need
dc excitation to get const field
| Is This Answer Correct ? | 9 Yes | 66 No |
Post New Answer View All Answers
I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
Different types of relay fault which phase sequence??
What is the approximate value of stacking factor?
What's the difference between non break power supply and non break non short break power supply
Why is a synchronous motor always star connected??
why on delay timer used for fully automatic star delta starter?
If UG power cable both ends are to be earthed or what? If not why?
what is feed back and what are feed back amplifiers?
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
PLS SEND THE RRB CHENNAI MODEL QUESTION PAPER my email id is ganesan98655@rediffmail.com
what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?
how to select correct size of power cable for inverter duty motor
What is difference between Over Current & Earth Fault protection?
Define peak time.
