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SATCHHIKARA
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Join Date: Jan 2010
Posts: 19

750 KVA TWO 11/.415 kV Transformer

09/14/2013 11:50 PM

my 2 transformer 750 KVA ,both are on condition but ,i put on single in service my load around 600 kva.so suggest for me ,which better for power saving.
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1capybara
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Engineering Fields - Electrical Engineering - New Member Engineering Fields - Power Engineering - New Member

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#1

Re: 750 KVA TWO 11/.415 kv transformer .

09/15/2013 5:37 AM

one can handle 600 KVA load and use the second as backup or sell it.

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electricalexpert65
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#2

Re: 750 KVA TWO 11/.415 kv transformer .

09/15/2013 9:25 AM

One TF will do for your load. But, I would suggest to alternate between your two transformers at regular intervals. This will ensure uniform aging of both the trf's.
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SATCHHIKARA
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Join Date: Jan 2010
Posts: 19
#4
In reply to #2

Re: 750 KVA TWO 11/.415 kv transformer .

09/16/2013 4:11 AM

Thank you sir.
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TonyS
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#3

Re: 750 KVA TWO 11/.415 kV Transformer

09/15/2013 11:43 PM

Him again!

Having read this guys past questions it begs the question. "Who in their right mind would let him near a transformer!"

Good thing I write everything in Word, I can recall documents and reword them.

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67model
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Join Date: Dec 2010
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#5

Re: 750 KVA TWO 11/.415 kV Transformer

09/16/2013 7:41 AM

Really you need the transformer test data losses, no-load and full load. You are not clear if 600 kVA is constant 24h/day.

Guess based on 2% losses, half no-load (magnetising), is 12.3 kW total at 600 kVA for 1 transfo, but 15 kW magnetising alone for two transfo in parallel.

Suggestion to alternate service is good advise.

What does transfo rating plate give you, anything about losses?

Over to you....

67model
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Users who posted comments:

1capybara (1); 67model (1); electricalexpert65 (1); SATCHHIKARA (1); TonyS (1)

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