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A current transformer (CT) is a type of transformer that is used to reduce or multiply an alternating current (AC). It produces a current in its secondary which is proportional to the current in its primary.
The Current Transformer ( C.T. ), is a type of “instrument transformer” that is designed to produce an alternating current in its secondary winding which is proportional to the current being measured in its primary.
Current Transformer Definition: A current transformer (CT) is defined as an instrument transformer where the secondary current is proportional to the primary current and ideally has zero phase difference.
A C.T “Current Transformer” is a type of instrument transformer designed to step down the current in the secondary for protection and measurement of proportional primary current. These transformers with low range ampere meters are used to measure the current in the high voltage circuits.
A current transformer is a type of instrument, used to measure or sense large alternating currents by scaling it to a smaller, safer and measurable value. It transforms the primary current to a proportional secondary value in terms of magnitude and phase.
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current (AC) in its secondary which is proportional to the AC current in its primary. Current transformers, along with voltage or potential transformers are Instrument transformer.
Definition: A current transformer is a device that is used for the transformation of current from a higher value into a proportionate current to a lower value. It transforms the high voltage current into the low voltage current due to which the heavy current flows through the transmission lines is safely monitored by the ammeter.
A current transformer is an instrument transformer, used along with measuring or protective devices, in which the secondary current is proportional to the primary current (under normal conditions of operation) and differs from it by an angle that is approximately zero.
A current transformer is a device that measures electric current in a power system by transforming high current into a smaller, more manageable value that can be safely measured. It is often used in electricity metering, protective relaying, and in other applications that require accurate measurement of electric current.
Current Transformers are used to measure alternating current, which exceeds the safe value of the ammeter. The Fig. 1 shows a C. T. The primary winding of C.T. carries current to be measured.