i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bu

i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

Question Posted / d jam

0 Answers
1873 Views
SCM, I also Faced
E-Mail Answers

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Electrical Engineering Interview Questions

there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers

What are the industrial applications of Superhetrodyne Receivers ? What are merits & De-merits of SuperHeterodyne Receivers ?

1 Answers Airtel,

What is the basic difference between directional and non directional over current protection?

1 Answers

why transformer calling in VA rating

6 Answers

WHY SPEAKER OUTPUT IN WATTS??

2 Answers

what are d/f between cfl and pl lamps,

1 Answers

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

0 Answers ABB,

I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 Answers

Can any body explain the operation system of MVWS(May be related to water and fire hydraunt system)?

2 Answers TATA,

how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 Answers

Why GRR starts from 60% of motor speed why not less than 60%?

0 Answers

I AM DOIN MY 3RD YEAR IN ELECTRICAL ELECTRONICS. PLEASE SUGGEST WHAT DO I DO NEXT AFTER MY B.E? AND I WANT TO GET INTO ANY PSU IS DER ANY EXAMS PLASE SUGGEST EVEN THAT.

3 Answers

For more Electrical Engineering Interview Questions Click Here