Corona discharge is a type of electrical discharge that occurs when the electric field surrounding a high-voltage conductor is strong enough to ionize the surrounding air. This process results in a faint blue glow, a hissing or crackling sound, and the generation of ozone and radio-frequency noise.

Corona discharge is a significant concern for power companies and can be exacerbated by rough conductor surfaces, sharp edges on hardware, and environmental conditions like rain or fog. The effects include:

• Energy loss: Corona discharge represents a direct loss of power, reducing the efficiency of the transmission line.

• Audible noise: The hissing sound can be a nuisance to nearby communities.

• Radio interference: It can cause static in radio and TV signals.

• Material degradation: Long-term corona can slowly erode the surface of conductors and other hardware.

Our company, Ningbo Changshi, provides transmission stringing equipment and tools designed for the smooth and precise installation of conductors, minimizing surface imperfections that can initiate corona discharge. Our overhead tools and accessories help ensure that hardware is installed correctly, without sharp edges or burrs, thus mitigating this costly and disruptive issue.