instrument transformer

Dead Tank Current Transformer | Dead Tank CT

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In this article, we are going to discuss the dead tank current transformer, commonly referred to as a dead tank CT. Dead tank current transformers are not popular for very high-voltage systems like 220 kV and above. Utilities often use dead tank CTs in 33 kV systems. They prefer this design at 33 kV because … Read more

Current Transformer: Working Principle, Theory, and Purpose

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The current transformer is a kind of transformer that steps down currents. From the name “current transformer,” we can understand that it deals with current. The available instruments for measuring and protection purposes in the market are of a few amperes range. The ammeters, energy meters, wattmeters, and various protection relays are rated for only … Read more