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........
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
can i able to get bhel previous exam question paper?
Damping resistor provided in open delta (tartiary) winding of a measuring PT at the incoming of a MV inverter drive panel is getting heated up. Can any body explain the reasons and suggest the remedy?
what are the protecyion of transformer & generators
What is the complete procedure of erection of electrical panel in industry
What will be the current if the resistance total in a series circuit doubles?
how the aircraft outer body and inner body is separated ?
how to identify vector group of three phase transformer by voltage method?
If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.
How can find thermal state value in relay for calculate thermal overload.
why a tester wont shock while testing the power in house
Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!
Where is servomechanism used?
Electromagnetic torque developed by the motor is compared to shaft torque. A less B same C depends on motor design D more
While testing a ZCT what parameters have to check or measure?
Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.