A simple test operations procedure for power transformer

Published 01.02.2012 Presenter Valerij Kharybin

A simple test operations procedure for power transformer
When we don’t know a type of a power transformer and moreover don’t know its rated values a usual needle tester and such simple appliance as an electric bulb can help us.
First of all we should find primary winding.
As a rule, it’s coiled with thinner wire than that of other core windings and has higher resistance ...