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Current transformer (CT)




A current transformer (CT) is a type of transformer that is used to measure the electric current in a circuit. It works by measuring the current in a primary winding and producing a proportional current in a secondary winding, which can be used to measure the current in the circuit.


Current transformers are commonly used in electrical power systems to measure the current flowing through high-voltage transmission lines or in electrical distribution systems to measure the current flowing through individual circuits. They are also used in electrical metering applications to measure the power usage of individual customers.


Current transformers are designed to be highly accurate and reliable, and they are typically used in conjunction with other electrical measurement and control devices to ensure the safe and efficient operation of electrical power systems.


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