11kv Single Phase Oil Immersed Transformer

11kv Single Phase Oil Immersed Transformer

The common-mode choke, where two coils are wound on a single core, is useful for suppression of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supplylines and for prevention of malfunctioning of power electronics device.
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In line with the concept of integrity, innovation, transcendence, and efficiency, while providing first-class Electrical Precision Current Transformer, Split Core Hall Effect Current Sensor, Class 0.1 Three Phase Current Transformer, we also clarify our social responsibilities and pay more attention to the interests of customers. Our loyalty and commitments remain respectfully at your service. Our company has formed partnership with famous brand manufacturers to get their technical support, technical training and the latest information in time, so as to improve the professional quality and work level of technical personnel. The company owns a complete and scientific quality management system, with rich design concepts and manufacturing experience. Our merchandise delight in excellent popularity among our buyers.

Introduction
The common-mode choke, where two coils are wound on a single core, is useful for suppression of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supplylines and for prevention of malfunctioning of power electronics device. It passes differential currents (equal but opposite), while blocking common-mode currents.[3] The magnetic flux produced by differential-mode (DM) currents in the core tend to cancel each other out since the windings are negative coupled. Thus, the choke presents little inductance or impedance to DM currents. Normally this also means that the core will not saturate for large DM currents and the maximum current rating is instead determined by the heating effect of the winding resistance. The CM currents, however, see a high impedance because of the combined inductance of the positive coupled windings.

CM chokes are commonly used in industrial, electrical and telecommunications applications to remove or decrease noise and related electromagnetic interference.

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