High-Quality 6kV-220kV Wall Bushing from Leading China Suppliers & Factory for Reliable Electrical Solutions
Main Products
The main products produced by the company include:
Our company has strong technical force, advanced technology, perfect management system, complete quality inspection equipment, and strong product R & D and production capacity. Adhering to the business philosophy of "market-oriented, quality as life, management as fundamental, science and technology first, people-oriented", the company advocates an enterprise culture of integrity, innovation, efficiency and harmony, serves the society with high-quality products and reasonable prices, and meets the different needs of customers. The company's business scope is distributed in all levels of power grids and major energy projects in China, and provides high-quality silicone rubber composite insulation supporting products for internationally famous electrical equipment manufacturers.
Product Introduction
Fcrgj glue impregnated fiber capacitive wall bushing gradually reduces the high voltage through the capacitive voltage dividing principle. In normal operation, the end screen lead is equal to the flange and grounded through the flange. So that the high-voltage lead can pass through the wall or floor safely and play the role of insulation and supporting the diversion.
Structure Composition: It is composed of primary winding, outer sheath, silicone rubber umbrella skirt, pressure equalizing cover at both ends, flange and conductive wire clamp.
Wall Bushing Model Designation
Rubber impregnated fiber capacitive wall bushing with a rated voltage of 24kV and rated current of 3150A.
Glue impregnated fiber capacitive wall bushing with a rated voltage of 252kV and rated current of 2500A.
Use Conditions
Ambient air temperature limits: Maximum 55 ℃, Minimum - 60 ℃.
Compliance standard: GB / T 5582.
Default value: 31mm / kV (when user has no specific requirements).
Creepage Specific Distance Levels:
- Class I: 16mm / kV
- Class II: 20mm / kV
- Class III: 25mm / kV
- Grade IV: 31 mm / kV
Note: The allowable negative error of the actual creepage distance of the bushing is 0.04l + 1.5mm (L: minimum nominal creepage distance).
Main Technical Parameters
- Table 1 provides parameters including rated voltage, system working voltage, rated current, and insulation level of the fcrgj type wall bushing.
- Under the voltage of 1.05ur / √ 3 and ur, the dielectric loss factor TG δ ≤ 0.4%.
- Local discharge capacity: ≤ 5pc under rated voltage of 1.05ur / √ 3.
- Temperature rise: ≤ 60K, long-time operation at rated current inom.
- Heat resistant current: ith = 25inom, 3C.
- Other technical conditions conform to the standards IEC 60137-2017 and GB / T 4109-2008 for insulating bushings with AC voltage higher than 1000V.
Transportation and Hoisting
Product Transportation Guidelines:
Frequently Asked Questions (FAQ)
HEADING-TYPE-1
High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.
description2
HEADING-TYPE-1
High voltage parallel capacitors are suitable for parallel connection in AC power systems with power frequency (50Hz or 60Hz) of 1kV and above. They are used to compensate for inductive reactive power, improve power factor, improve voltage quality, reduce line losses, and fully utilize the efficiency of power generation and supply equipment.
description2