The principle of current transformer

- Jan 15, 2021-

During the production process, the operating conditions of each primary equipment in the system are monitored to ensure the safe operation of the power system. The current transformer usually converts the large current of the primary circuit into a secondary small current proportional to it, and finally outputs the small secondary current to the secondary instrument, relay protection, and automatic device for use. Therefore, the current transformer is the AC current source for electrical control, regulation, measurement and protection components, and it is also the hub of the electrical secondary circuit and the primary circuit.