what is the use of current transformer in power transformer secondary side.?its connectyed in WTI
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Answer Posted / Lavi Sahu
A current transformer (CT) is connected to the secondary winding of a power transformer to measure the current flowing through the primary circuit without actually connecting a high-voltage ammeter or other measuring device directly to the primary winding. The CT produces a proportionally lower current in its secondary winding, which can then be measured safely and accurately using an ammeter connected to the CT's secondary side (WTI stands for wattmeter test instrument).
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