What happened when the field winding of dc series motor is open?
- 2 Answers
- 3776 Views
- Bhel, I also Faced
- E-Mail Answers
Answer Posted / viraj
1.if motor is standstill than it will not starts
2.if it is in running condition than behaves as a generator
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?
along with technical test papers
how r charge carriers produced
How to address the servo drive for motor
For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?
what is efficient motors and how it is different from normal induction motors
A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.
why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?
What is evaporator & condencer & compressor
anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
what is the difference between earth leakage and earth fault?
wat is meant by PX class in ct?
why fractional pitch winding generally used in alternators?
how load of a turbo generator can be increased
what is the purpose of bypass mode in energy lighting transformer?
