why commutator is attached with only dc macine
- 8 Answers
- 10899 Views
- ONGC, I also Faced
- E-Mail Answers
Answer Posted / swati agarwal
it is a mechanical rectifier which convert ac to dc in generator o/p.and dc to ac in case of dc motor
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
I am B.E.electrical engineer having 7 years of experience in Transformer testing upto 315 MVA.I want to khow how I can get the 'Electrical Valuer' License.
why booster transformer is used in sumpners test conducted on transformer????
What is the difference between earthing,ground&nutral?
i want to model paper for section engg.
What is the formula to calculate the rating of a three phase air circuit breaker
Post possible questions for Power Factor Panel FAT / SAT
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses? the second question is-generation is depends on LV winding? or LV winding design for generation voltage?
how rectifier transformer work in electroststic precipetatore(esp?
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
What is the emf equation of a transformer?
1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done
any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.
I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
