Interested to Buy Any Domain ? << Click Here >> for more details...
Determine the MVA rating of the power transformer given
that 110/66 kV,1000 Amps.
Folks how can i calculate the MVA rating with this Data??Plz
Help........
- 1 Answers
- 15573 Views
- I also Faced
- E-Mail Answers
Answer Posted / shanu shamsudeen
I have taken 66kv 1000A and pf as 0.85
MVA=MW/pf so firsrt we must calkulate MW
MW=(1.73*66*1000*0.85)/1000
=97MW
MVA=MW/pf
=97/0.85
=114 say 120MVA
There is no single transformer for 120MVA
so you can use 3*40MVA Transformers in parral operation
| Is This Answer Correct ? | 22 Yes | 2 No |
Post New Answer View All Answers
11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter
how to calculate cooling requirement of datacentre from electrical load?
What is the use of lag compensator?
Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?
which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?
Why star delta starter is preferred with induction motor?
circuit diagram of trip circuit supervision relay
all interview questions with answers of ntpc (2000-2009
In vapour absorption refrigeration machine fluids used are
how to find the multiplication factor for digital energy meter and analog energy meter
what is positive , negative & zero equivalent system resistance
how the aircraft outer body and inner body is separated ?
If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?
how can i get the formula to find out the cable size if i know the load of main fuse protection.
How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.
