Inductance transformer is a device used to obtain electrical energy from the circuit under test to power other devices. It works mainly on the principle of electromagnetic induction. When the measurement AC current flow through the primary winding, an alternating magnetic field is generated, which induces an electromotive force in the secondary winding, an induced current can be generated to obtain electrical energy.
For example, in the power system monitoring equipment, the induction transformer can induce electrical energy from the high-voltage line to supply power to the monitoring device itself, avoiding the trouble of laying additional power supply lines.
CT Curve Diagram

Outline and Installattion Dimensions

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