Interested to Buy Any Domain ? << Click Here >> for more details...
what happens to the speed of a DC series motor when series
field winding is removed?
- 8 Answers
- 13760 Views
- I also Faced
- E-Mail Answers
Answer Posted / rvg
The speed of a series wound DC motor will increase as soon
as the excitation deceases. But if we remove the excitation,
the motor speed will tend to increase, because of the
residual magnetism, and the rotor winding will burns off,
because of short circuit.
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.
Mention what are the different colors on wires indicates?
what is conductor copnstant of ab cable
Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?
how to measure the current by compact digital equipment with dislay which fit inside any equipment
is it necessary to earth the rmu before cutting off the transformer winding?if yes why?
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
As an electrical engineer what are the responsibilities which i can hold in TCS?
How to set a Zone 1 distance relay for distribution feeder?
hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.
In which working principal temperature transmitter work.explain in detailed.
why asa method ZPF method is more accurate than ASA method?
why ahould you show client/engineer activities clearly on the project plan
What is the difference between Static and servo controlled voltage stablizer?
What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?
