0.5kv Zero-Sequence CT Low Voltage Indoor Single Phase Resin Cast Current Transformer

0.5kV Low voltage indoor single phase residual current transformer

This current transformer is indoor type, applied to rated voltage 0.5kV, rated frequency 50-60Hz in the power system, used for the zero sequence overcurrent protection of power system, high voltage three-phase AC generator and motor. The outside diameter of transmission cable is not more than 120MM. This current transformer is divided into two halves, and the resin is poured into a semicircle, then connected with clamps. When installed, the transformer can be divided into two halves, then combined into a whole. The installation is very convenient.
 
Specification

Principle: Zero-sequence current transformer uses the principle of electromagnetic induction to convert the zero-sequence current in a three-phase circuit into a low-voltage signal. It consists of two parts, one is the core and the other is the winding, which is realized by the interaction of the core and the winding.

Structure: Zero-sequence current transformer usually consists of core, winding and housing, supported by insulating material and insulating structure inside. It can be a single-phase or three-phase current transformer.

Features: Zero sequence current transformer has the characteristics of compact structure, reliable work, high accuracy and strong anti-interference ability, which can transform the zero sequence current in the power system into a set of small currents suitable for measurement, so that the zero sequence current in the circuit can be measured accurately according to the requirements.

Application: Zero sequence current transformers are widely used in power systems, mainly for detecting grounding faults in power systems. In the power system ground fault occurs, the system will produce a large amount of zero sequence current, through the measurement of zero sequence current can be found in time to make the corresponding protective measures.

Note: In the installation and use of zero sequence current transformer, attention should be paid to maintain a good state of insulation, and regular testing and calibration.