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Anonymous Poster

Lightning Impulse of transformer

08/29/2010 2:19 PM

can any1 help me by giving the calculation formula for the timing of T1/T2 in LI testing of transformer ?
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jack of all trades
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#1

Re: lightning Impulse of transformer

08/29/2010 2:57 PM

The specific waveform shape (rise and fall time) and voltage depends on what electrical or Electro-Magnetic Interference standard you are testing to (there are many depending on the transformer, country, etc). This should be indicated in the relevant section of the relevant transformer standard you are testing to (again there are many depending on the transformer, country, etc).

What standard are you testing to and have you read the standard all the way through (sometimes the EMI and impulse testing references are right at the back)?

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