High Voltage 40kN Porcelain Insulator for Power Lines

Understanding Porcelain Insulators: Essential for Electrical Insulation and Mechanical Support

Porcelain insulators play a critical role in electrical insulation and mechanical support. They ensure wires and equipment are isolated from their supporting structures, preventing accidental current flow and maintaining the stability of circuits under external forces like wind, impact, or vibration.

Main Types of Porcelain Insulators

• Suspension Insulators: Utilized for high-voltage overhead transmission lines and soft busbars in power generation and substations, these insulators come in disc-shaped and rod-shaped forms. Disc-shaped suspension insulators are particularly prevalent in transmission lines.
• Post Insulators: Commonly used for busbars and electrical equipment insulation and mechanical fixation in power plants and substations. They are also components in devices like isolating switches and circuit breakers. Post insulators include needle post insulators for low-voltage distribution and rod post insulators for high-voltage substations.

Related Products for Porcelain Insulators

• Product Name: Porcelain Insulator
  Model Number: 52-1
  Material: Porcelain
  Application: High Voltage
  Rated Voltage: 33kV
• Product Name: High Voltage Insulator
  Brand Name: Huayao
  Usage: Transmission Lines
  Rated Voltage: 12kV
  Place of Origin: Jiangxi, China

Product Details: 40kN Standard Disc Suspension Porcelain Insulator 52-1

This product is manufactured by Jiangxi Huayao Electric Co., Ltd and features:

• Dimensions: Diameter (D): 152mm, Spacing (H): 140mm, Creepage Distance: 178mm
• Mechanical Values: Mechanical Failing Load: 40kN, Tension Proof: 20kN
• Electrical Values: Dry Power-frequency Withstand Voltage: 55kV, Wet Power-frequency Withstand Voltage: 30kV, Dry Lightning Impulse Withstand Voltage: 75kV, Puncture Withstand Voltage: 90kV
• Radio Influence Voltage Data: Test Voltage RMS to Ground: 7.5kV, Maximum RIV at 1000 kHz: 50μV

Production Process of Porcelain Insulators at Jiangxi Huayao Electric Co., Ltd

1. Mix raw material
2. Make blank shape
3. Drying
4. Glazing
5. Put into kiln
6. Glue assembly
7. Routine test and other tests
8. Finished products package

The ceramic insulator, made from electrical ceramics, is crafted from materials such as quartz, feldspar, and clay. To enhance mechanical strength, prevent water infiltration, and increase surface smoothness, the surface is typically covered with enamel.