Global UHV Power External Insulation System Solutions

Thirty years focused on power insulators, serving 100+ countries worldwide, supporting global energy internet construction

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765kV+ UHV Transmission Technology Leader

Core technology breaks international monopoly, composite insulators with global leading scale delivery

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Material Technology Innovation · Leading Industry Future

National specialized and sophisticated enterprise, 300+ invention patents, global power equipment core supplier

Technology Innovation

Post Insulators / Hollow Insulators / Bushings

Suitable for smart substations, high-voltage switchgear, transformers, reactors and other core power equipment.

Products have excellent insulation performance, mechanical performance, weather resistance, and passed IEC / ANSI / GB international authoritative certification.

Full series non-porcelain, impact-resistant, anti-pollution flashover, meeting global smart grid construction needs.

Product Types

Composite Post Insulators

Suitable for substation equipment external insulation, including circuit breakers, disconnectors, transformers, etc.

Product features: high mechanical strength, good insulation performance, strong earthquake resistance.

Application scenarios: substations, switch stations, distribution stations.

Composite Hollow Insulators

Suitable for GIS, HGIS and other gas-insulated switchgear.

Product features: good sealing performance, excellent insulation performance, light weight.

Application scenarios: GIS equipment, HGIS equipment, capacitor banks.

Composite Bushings

Suitable for outlet bushings of transformers, reactors, circuit breakers and other equipment.

Product features: good insulation performance, excellent sealing performance, anti-aging.

Application scenarios: transformers, reactors, circuit breakers.

Technical Parameters

Electrical Performance

Rated voltage: 10kV-1100kV
Power frequency wet withstand voltage: meets relevant standard requirements
Lightning impulse withstand voltage: meets relevant standard requirements
Partial discharge: ≤10pC
Creepage distance: designed according to pollution level

Mechanical Performance

Rated mechanical load: depending on product type and specification
Breaking load: not less than 1.5 times the rated mechanical load
Bending load: meets relevant standard requirements
Torsion load: meets relevant standard requirements

Environmental Performance

Temperature range: -40°C (-40°F) to +80°C (176°F)
Humidity range: ≤95%
Salt spray corrosion: meets relevant standard requirements
UV aging: meets relevant standard requirements
Service life: ≥40 years

Application Scenarios

Smart Substations

Suitable for various equipment external insulation in smart substations, improving substation reliability and intelligence level.

High-Voltage Switchgear

Suitable for external insulation of high-voltage circuit breakers, disconnectors and other switchgear, improving equipment reliability and safety.

Transformers

Suitable for transformer outlet bushings, providing good insulation performance and sealing performance.

Product Advantages

Excellent Insulation Performance

Excellent electrical insulation performance, low partial discharge, ensuring safe operation of equipment.

High Mechanical Strength

High mechanical strength, strong earthquake resistance, suitable for various complex environments.

Good Sealing Performance

Excellent sealing performance, anti-leakage, ensuring no leakage of internal insulation medium.

Excellent Anti-pollution Flashover Performance

Suitable for heavily polluted areas, reducing equipment flashover accidents, improving equipment operation reliability.