Tap changer

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A tap changer is a mechanism in transformers that allows for variable turn ratios to be selected in distinct steps. This is done by connecting to a number of access points, known as taps along either the primary or secondary windings.

Excerpt from the Wikipedia article “Tap changer”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Fluppe37 at Dutch Wikipedia, CC BY-SA 3.0, via Wikimedia Commons.