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What is the avergae difference between OTI and WTI for EHV
Power transformer?
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Answer Posted / c.d.elkunchwar
There is no fix differnce as such.Itdepends upon the
transformer tempareture gradiant at that current, specified
by the manufacturer.the difference between ot&wt varies as
per load and gradient.Normally it can be from 12 to 16
degrees at full load.
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