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What is the CT in a switch yard?
Apr 11,2024
In a switchyard, "CT" stands for "Current Transformer." Current transformers are crucial components in electrical systems, particularly in switchyards associated with power generation, transmission, and distribution.
Current Transformers are used to measure alternating current (AC) in high-voltage circuits. They transform the high currents typically found in power lines into smaller, manageable currents that can be safely measured by instruments and meters. Current Transformers ensure that accurate readings are obtained without risking damage to the measuring devices or personnel.
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Current Transformers are used to measure alternating current (AC) in high-voltage circuits. They transform the high currents typically found in power lines into smaller, manageable currents that can be safely measured by instruments and meters. Current Transformers ensure that accurate readings are obtained without risking damage to the measuring devices or personnel.
These transformers operate based on the principle of electromagnetic induction, where the primary winding carries the high current to be measured, inducing a proportional current in the secondary winding. This secondary current is then used for measurement or control purposes.