what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer

what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

Question Posted / nilesh thapa

2 Answers
2358 Views
BPC, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V..

Answer / asad

1.1*[1000kvA/[(sqrt(3)*0.415*0.06)]]=25kA

Is This Answer Correct ?

0 Yes

0 No

what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V..

Answer / asad84

1.it is not load related , so there is no meaning for the givving power factor

2.

Ik=1.1*[1000/[sqrt(3)*0.415*0.06]] = 25kA

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 Answers

What are the advantages of thermal power plant?

0 Answers

why the alternator rating in kva generator in kw.

2 Answers

how does PLCC work?...

1 Answers

What is the material used for the core of a high freiquency transformer?

3 Answers Videocon,

write a program that prints prime numbers from 1-20 in digonal form

0 Answers

difference between microprocesser and microcontroler

1 Answers HAL,

my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

0 Answers

why the name trunking bus PT

0 Answers Siemens,

what is creep of energy meter?

2 Answers HNG,

what is the condition for vector group of Dyn5

2 Answers

In VSD (variable speed drive)I/P and O/P connections given wrongly what will happen?

5 Answers

For more Electrical Engineering Interview Questions Click Here