In DC motor,the field MMF is given by NI.N-no.of field
winding turns,I-excitation and both are constant.Then how
could the main flux decreases due to armature reaction.
- 4 Answers
- 8850 Views
- Bhel, IBM, I also Faced
- E-Mail Answers
Answer Posted / avinash
By Lenz's Law: current in motion will oppose the cause of the motion. The armature current is in motion due to the MMF hence it will oppose (diminish) the MMF.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Can we use shunt trip coil instead of trip coil with protection relay for protection?
How to run a three phase motor into single phase........
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
HOW DOES THE ELECTRONIC ENERGY METER WORKS?
What are Contactors? How they works and what its highest rating?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
how to test reverse power trip?
What is the accepted limit to increase the choosen transformer capacity over the load and why ?
What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?
induction 3 phase motor terminal connection
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station
what is PWM in IGBT and how it works for drive.?
Which types of gate insttaled in static switch. Please give me answer.
