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​Corona ring coil is an important component to suppress the distortion of high-voltage electric fields. It can achieve uniform distribution of electric fields by optimizing the electrode structure, effectively preventing energy loss, equipment corrosion and electromagnetic interference caused by corona discharge. The application scenarios of corona ring coil cover many fields such as power systems, rail transit, and communications engineering, and it has the effect of ensuring the safe operation of equipment and improving the energy efficiency of the system.

Corona ring coil is an annular or arc-shaped part made of metal. It is a common auxiliary device installed at the end of high-voltage equipment or in parts with large curvature. In order to adjust the distribution of the surrounding electric field, the shape of corona ring coil is a smooth curved surface without edges, corners and tips.

In the complex equipment system of communication base stations, although corona ring coil is not often paid attention to, it plays an important role in ensuring the stable operation of equipment and improving communication quality.