why transformer rating is expressed in kva.
Answer Posted / lokeshraj
For t/f rating kva is used because at the time of
manufacturing of t/f we dont know about the value of the
cos(angle).As Power(KW)=kva*cos(angle).....
....Lokesh
Is This Answer Correct ? | 6 Yes | 12 No |
Post New Answer View All Answers
What are unstable systems?
what are inductive and capacitive voltage transformers.what are their applications
What is voltage ratio of a transformer?
How many double suspension hardware fittings are required on a double circuit transmission tower?
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.
can you any one give exact mathematical relation between AC current and DC current?
What Is Sampling?
WTA used cb?
how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?
"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS
Which types of gate insttaled in static switch. Please give me answer.
How many kw will suply from one db
If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.
I am EEE student i want to improve my core side skills.how cn i approach it?
how to decide the capacity of accl