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High Voltage Aluminum Corona Ring For Suspension Insulator

High Voltage Aluminum Corona Ring For Suspension Insulator

Model NO.:Corona Ring
Design and test standard:IEC
Usage:High Voltage Power Transmission, Insulation, Electrical Installation

Product Introduction
 
Production Introduction

 

 

Aluminum Corona Ring for Suspension Insulator

 

Wuhan-Line-Power-Transmission-Equipment-Co-Ltd- 2111

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Aluminum Corona Ring for Suspension Insulator

To mitigate the impacts of corona, corona rings are typically installed on one or both ends of the insulator, attached to the end fittings. While corona rings are generally deemed necessary for system voltages of 230kV and above, there are instances where lower system voltages may necessitate their use for enhanced corona protection.

The corona ring is needed at the line end of the insulator, right at the end fitting and rubber interface, which is the area of highest electrical stress on the sheath of the insulator. As the application voltage increases, the diameter of the corona ring increases to effectively grade of the electric fields.

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Advantage

 

Item Electrical Suspension Rubber Insulators
Hydrophobicity
The hydrophobic property of silicone rubber offers excellent insulation and resistance to wetting, forming water beads without requiring washing or greasing, even in humid or polluted climates.
Contamination & Pollution Performance Excellent
Maintenance It can significantly reduce the operational maintenance costs of the line, power outage losses, and manual labor intensity.
Size and Weight Small in size and lightweight (approximately 1/7 to 1/10 the size of equivalent porcelain insulator strings), the umbrella skirt exhibits excellent elasticity, is resistant to breakage, facilitates easy transportation and installation, and is cost-effective.
Mechanical Load The fiberglass core rod has high tensile strength, which is 5 to 10 times that of ceramic materials. Due to the small cross-section of the core rod, the product has small dimensions and lightweight, high bending strength, and is easy to manufacture large tonnage products exceeding 300kN.
Delivery time The manufacturing process is simple, and the delivery time is short.

 

20240418093106

 
 

 

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