what is the current rating of 2500 KVA,33KV/433v transformer
on secondary(LT) side

Answer Posted / gopal

HT CURRENT

I=LOAD/VOLTAGE
I=2500X1000/33*1000=75.75A

LT CURRENT

I=LOAD/1.732*433
I=2500*1000/1.732*433=3333A

OR USE SIMPLE FORMULA
1=LOAD X 1.4

Is This Answer Correct ?    4 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How isolater function when installed inelectrical 440V wiring

1704


Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

2316


what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

1895


what is the difference between 2 way and 4 pole selector switch???

1868


What are high pass filter and low pass filter? and What are the flowmeter ?

1509






What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

1593


Draw the DOL starter and star delta starter drawing?

2517


In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

1642


How to maintain ac plant?

1519


What is acsr cable and where we use it?

712


How to design harmonic filter at the project stage without nowing the harmonics levels

1778


how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

1194


how line turns ratio changes in 3 phase with change in connection

1414


how does a liquid starter reduce the starting currents?

1661


What is different between Difnit time and instatous over current relay

1978