I have a 33 KV sub stn with two mother transformers 33/11
KV of capacity 3150 and 1600 KVA respectively. The total
connected load 16809 KVA(11/0.433KV).how i calculate the
max current & how i decided the CMD.

Answers were Sorted based on User's Feedback



I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respec..

Answer / er.mazhar0731

CMD 12.85 MW
Maximum current 675 amp

Is This Answer Correct ?    0 Yes 0 No

I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respec..

Answer / er.mazhar0731

Ur tranformer not able to bear load coz total 4.75 mva are bear 83.125 amp current in 33 kv side and in 11 kv, 250 amp
But As per ur kva 16809 KVA DTC ur load current is 675 amp which is excess ( 100kva = 4 amp 11 kv side current )

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

What is various types of electrical formula?

1 Answers  


What are motor generator sets and explain the different ways the motor generator set can be used ?

0 Answers  


Please help me.What are the difference between two wire, 3wire, and 4 wire in electric meter?

3 Answers  


the power consumption of perminant magnet moving coil?

1 Answers  


can any one suggest paper presentation topies for electrical engg?

0 Answers  






What are the limitations of Kirchoff's laws?

0 Answers  


what will happen if i connect or change line with phase terminal

1 Answers  


How can be decreased the size of transformer?

6 Answers  


I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

0 Answers  


Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

0 Answers  


cb used in railway applications is?

2 Answers   NTPC,


what is TRCC

2 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5084)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16631)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1094)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)