Interested to Buy Any Domain ? << Click Here >> for more details...
IS there any mechanical connection between the field winding
and armature winding of a dc generator?
- 11 Answers
- 16693 Views
- IOCL, I also Faced
- E-Mail Answers
Answer Posted / satendra kumar
There is a mechanical contact in case of self-excited machine but in case of separately started machine there is no physical contact....
And boss there may be a permanent magnet but it is not true all the time big D.C.machine have not any permanent magnet....
| Is This Answer Correct ? | 2 Yes | 4 No |
Post New Answer View All Answers
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
Is it possible to measure the voltage of a battery from a single terminal?
how does grading rings & spacers in transmission line works? Working Principle?
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network
What is meant by celling voltage & current in excitor ?
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.
What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.
Refernce currents are to be generated using refernce cueernts how can this be done??
Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?
How to calculate the multiplying factor for energy meter with ct ratio given
cc of scorpio?
Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
Please brief what is sinewave
