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Old 20th Jul 2021, 12:38 am   #6
trobbins's Avatar
Join Date: Oct 2009
Location: Melbourne Australia
Posts: 672
Default Re: What is a reasonable magnetising current for a mains transformer?

A more informative test is available when you have a variac, and can measure/plot the primary magnetising current as a function of primary voltage, and identify when the onset of saturation starts.
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