China-Grid Power Technology Co., Ltd.

Preformed Power Fitting, Grid Fitting, Grid Equipment manufacturer / supplier in China, offering FJPE Type Shielding Corona Ring, Jk Type Galvanized Wire Rope Clamp (Steel Wire Clip), OT Type Copper Passing Through Terminals/Connecting Terminals and so on.

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FJPE Type Shielding Corona Ring

FOB Price:US $1 - 10 / Set
Min. Order (Sets) FOB Price
100+ US $1-10 / Set
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Min. Order: 100 Sets
Port: Fuzhou, China
Production Capacity: 30000PCS/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info.

Model NO.:From FJPE-50/1800/300 to FJPE-50/1900/375
Color:Silver
Usage:Overhead Transmission Line
Energysaving Property:High
Antivibration:High
Stability:High
Operation:Convenient
Installation Time:Short
Durability:Long
Certificate:ISO9001 & SGS Factory Audit Report
Quality Rank:Higher Than National Electric Criteria
Trademark:Chinet
Transport Package:Wood Tray
Specification:1500*700*800
Origin:Fuzhou City, Fujian Province, P. R. China
HS Code:85363000

Product Description

A corona ring, also called an anti-corona ring, is a toroid of conductive material, usually metal, which is attached to a terminal of high voltage equipment. The role of the corona ring is to distribute the electric field gradient and lower its maximum values below the corona threshold, preventing corona discharge. Corona rings are used on very high voltage power transmission insulators and switchgear, and on scientific research apparatus that generates high voltages. 

Corona discharge is an ionization of air adjacent to high voltage conductors. It is sometimes visible as a dim blue glow in the air next to high voltage equipment. The high electric field ionizes the air, allowing current to leak from the conductor into the air. In electric power transmission lines and equipment, corona results in an economically significant waste of power. In devices such as electrostatic generators, marx generators, and television sets, the current load caused by corona leakage can reduce the voltage produced by the device, causing it to malfunction. Coronas also produce noxious and corrosive ozone gas, which can cause aging and embrittlement of nearby structures such as insulators, and create a health hazard for workers and local residents. For these reasons corona discharge is considered undesirable in most electrical equipment.
 
FJPE Type Shielding Corona Ring
FJPE Type Shielding Corona Ring  
TypeDimension (mm)Weight (kg)
LL1DSHΦ
FJPE-50/1800/30018009001860300509.5
FJPE-50/1800/32518009001860325509.5
FJPE-50/1800/35018009001860350509.5
FJPE-50/1800/37518009001860375509.5
FJPE-50/1900/30019009001860300509.5
FJPE-50/1900/32519009001860325509.5
FJPE-50/1900/35019009001860350509.5
FJPE-50/1900/37519009001860375509.5
FJPE Type Shielding Corona Ring
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China-Grid Power Technology Co., Ltd.

- Fujian, China
- Manufacturer/Factory

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