I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150

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.

Question Posted / virendra

2 Answers
2522 Views
I also Faced
E-Mail Answers

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

1) Why distributiion system decided 11 kv, 33 kv, 66 kv, 132 kv, 220 kv, 400 kv, 2) In 3 Phase line terminal of capacitor, why used for power factor improvement. 3) Why used rating KVA in transformer?

1 Answers

How does ELCB work when exist earth foult? and How does RCCB work when exist earth foult?

1 Answers

Induction motor & transformer both has magnetic core,then why induction motor is a inductive load & transformer not???

6 Answers SBL,

how we can calculate which capacity capacitor bank we have to add for improve pf?

3 Answers Consultancy, JM Huber, Torrent Power,

what is meant by phase transformation ratio in induction motors?

2 Answers

clarify types of motor operated valves and advantages

0 Answers

Yazaki india pvt ltd interview questions qurey related