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How to convert amps to KVA

Asked Dec 2, 2008, 07:09 AM — 6 Answers
I need to know how many KVA is 800 amps at 208V

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6 Answers
donf's Avatar
donf Posts: 4,484, Reputation: 2653
Printers & Electronics Expert
  
#2

Dec 2, 2008, 07:56 AM
166.4 kva

Addendum:
I*E= VA/1000 = kVA (800)*(208)/1000 = 166.4 kVA
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tkrussell's Avatar
tkrussell Posts: 8,905, Reputation: 3473
Senior Electrical & Lighting Expert
  
#3

Dec 23, 2008, 03:02 AM
This is incorrect:

Quote:
Originally Posted by donf View Post
166.4 kva

Addendum:
I*E= VA/1000 = kVA (800)*(208)/1000 = 166.4 kVA

208 Volt is from a 3 phase system.

Therefore:

KVA = (I x E x 1.73) / 1000
KVA = 287.872
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rangabg's Avatar
rangabg Posts: 3, Reputation: 10
New Member
  
#4

Dec 3, 2009, 01:20 AM
Quote:
Originally Posted by donf View Post
166.4 kva

Addendum:
I*e= va/1000 = kva (800)*(208)/1000 = 166.4 kva


Good ans
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tkrussell's Avatar
tkrussell Posts: 8,905, Reputation: 3473
Senior Electrical & Lighting Expert
  
#5

Dec 3, 2009, 02:33 AM
You don't know what a transformer is by your question posted in the Electrical Forum, and you think the wrong answer is a good answer?
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Dhanajaprakas's Avatar
Dhanajaprakas Posts: 1, Reputation: 10
Junior Member
  
#6

Jan 22, 2012, 10:39 PM
SIR,

We have 1 500kva Gen Set three phase. from this Gen Set Maximum How much amps we can use?
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tkrussell's Avatar
tkrussell Posts: 8,905, Reputation: 3473
Senior Electrical & Lighting Expert
  
#7

Jan 23, 2012, 06:02 AM
The formula is:

KVA= I x E x 1.73/1000

To complete the calculation, the voltage is needed.
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