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Anonymous Poster

IR Test Voltage

11/17/2010 2:05 AM

what must be the test voltage for 6.6 kv transformer.(6.6kv/415 volts)
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PWSlack
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#1

Re: IR test voltage

11/17/2010 4:03 AM

If all else fails, read the instructions.

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imandi007
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#2

Re: IR test voltage

11/17/2010 4:20 AM

2.5 KV DC

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electricalexpert65
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#3

Re: IR test voltage

11/17/2010 6:58 AM

HV to Earth: 2.5kV DC

LV to Earth: 500V DC

HV to LV: 2.5kV DC

(vide IE Rules, 1956 Rule 48 (1)
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Anonymous Poster
#4
In reply to #3

Re: IR test voltage

11/17/2010 8:26 AM

What formula you used for those figures ?
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electricalexpert65
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#5
In reply to #4

Re: IR test voltage

11/18/2010 8:25 AM

I just quoted from the Indian Electricity Rules, 1956.
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Anonymous Poster
#6
In reply to #5

Re: IR test voltage

11/18/2010 11:30 AM

But how you calculated for those numbers ?
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

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Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#7
In reply to #6

Re: IR test voltage

11/22/2010 10:51 AM

Read the response to the question. There is no calculation involved!

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