why generaotr rating is in kva and dc motor in kw?
Answer Posted / k.prakashchandra
The pf is the reason ,as ac power output of alternator is
=Kvaxpf whereas the pf of dc motor is always unity and Kva
=Kw
| Is This Answer Correct ? | 40 Yes | 11 No |
Post New Answer View All Answers
What is gain margin?
In convertor can we use rectifier thyristor in place of invertor thyristor with explain.
why occ characteristics curve in not tracing back when we are bringing back the rhoestat?
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz
Is vtg is controlled by the resistor? if else how much?
What is the current carrying capacity of 35sq.mm flexible cable?
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 the numerical quantity of sqcm?
how does grading rings & spacers in transmission line works? Working Principle?
why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?
Which material is used for the core of a transformer and why?
how to determine motor size for a fan application?
what is harmonics? what are the factors it will depend upon
In parallel operation time both NGR’s close or not close if both close what will happen