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Showing 1 to 1 of 1 for “"air-gap core"”.
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BEHAVIOR OF BUSBAR DIFFERENTIAL RELAYS WITH AIR-GAP CORE CURRENT TRANSFORMERS
… primary current. Power utilities normally use air-gap core and solid-core CTs. Air-gap core CTs are expensive and hard to maintain but they are able to reproduce the primary current without becoming saturated unlike solid-core CTs. Nowadays relay manufacturers claim that no matter what type of …