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The 30kV Power Transmission Composite Polymer Insulation is a cutting-edge solution designed for high-voltage overhead and substation applications, offering superior electrical insulation and mechanical resilience in challenging environments. Constructed from advanced composite materials such as silicon rubber or epoxy-based polymers, this insulation system replaces traditional porcelain or glass insulators, addressing limitations like brittleness and heavy weight. The composite structure combines a robust fiberglass core for mechanical strength with a weather-resistant polymer housing that provides excellent resistance to UV radiation, ozone, and chemical contaminants.
Engineered to operate at 30kV, the insulation features a modular design with optimized creepage distance and hydrophobic surfaces to prevent pollution flashover—a critical issue in areas with high levels of dust, salt, or industrial emissions. The polymer housing is formulated to maintain flexibility across a wide temperature range (-50°C to +120°C), ensuring reliable performance in extreme climatic conditions. Its lightweight nature reduces installation costs and mechanical stress on supporting structures, while the non-corrosive properties eliminate the need for frequent maintenance.
Superior Pollution Resistance: The hydrophobic polymer surface repels moisture and contaminants, significantly reducing the risk of flashover in polluted environments compared to porcelain insulators.
High Mechanical Strength: The fiberglass core provides excellent tensile and bending strength, with a breaking load capacity exceeding 100kN, making it suitable for high-wind and ice-loading scenarios.
Lightweight & Easy Installation: Weighing up to 70% less than equivalent porcelain insulators, it simplifies transportation and installation, especially in hard-to-reach mountainous or offshore locations.
Long-Term Durability: The composite material resists aging, cracking, and electrical tracking, with a service life of over 30 years under normal operating conditions.
Fire Retardancy: Specialized formulations offer self-extinguishing properties, meeting international fire safety standards (UL 94 V-0) for enhanced system reliability.
High-Voltage Transmission Lines: Ideal for overhead power grids in urban, rural, and industrial zones, ensuring stable insulation in polluted or humid environments.
Substation Equipment: Used for insulating busbars, circuit breakers, and transformers in outdoor substations, reducing maintenance costs and downtime.
Coastal & Offshore Projects: The salt-resistant polymer housing makes it suitable for marine environments, preventing degradation from salt-laden air and fog.
Renewable Energy Grids: Supports insulation in wind farm and solar plant transmission systems, enduring harsh weather and mechanical vibrations.
High-Altitude Regions: Performs reliably in low-temperature, high-altitude areas where traditional insulators may suffer from thermal shock or mechanical failure.
Q: How does composite polymer insulation compare to porcelain in terms of flashover resistance?
A: Composite insulators have hydrophobic surfaces that prevent water film formation, offering 30-50% better pollution flashover voltage than porcelain in the same conditions.
Q: Can this insulation be used in direct contact with ice or snow?
A: Yes, the flexible polymer housing withstands ice accumulation and thermal expansion without cracking, and its hydrophobicity reduces ice adhesion.
Q: What is the recommended cleaning frequency for polluted environments?
A: Unlike porcelain, composite insulators require minimal cleaning—typically once every 5-10 years—due to their self-cleaning hydrophobic properties.
Q: Is the material compatible with anti-aging coatings?
A: No additional coatings are needed, as the base polymer already includes UV stabilizers and anti-aging additives for long-term performance.
Q: What is the maximum operating temperature for the insulation?
A: It safely operates at conductor temperatures up to 90°C, with ambient temperatures ranging from -50°C to +50°C.
| Main Technical Parameter | |||||||
| Model | Rated voltage (KV) | Specified mechanical load(kN) | Spacing H (mm) | Arcing distance (>mm) | Minimum creepage distance (>=mm) | Lightening impulse residual voltage under nominal discharge current (<=KVp) | Wet power frequency Withstand voltage(>=kVr.m.s.) |
| FZSW-12/6 | 12 | 6 | 215 | 210 | 450 | 100 | 45 |
| FZSW-24/8 | 24 | 8 | 305 | 265 | 780 | 130 | 60 |
| FZSW-36/6 | 36 | 6 | 445 | 435 | 1015 | 190 | 90 |
| FZSW-72.5/10 | 72.5 | 10 | 770 | 675 | 1820 | 350 | 150 |
| FZSW-126/8 | 126 | 8 | 1220 | 1125 | 3150 | 500 | 230 |
| FZSW-245/4 | 252 | 4 | 2300 | 2200 | 6300 | 1050 | 450 |
The 30kV Power Transmission Composite Polymer Insulation is a cutting-edge solution designed for high-voltage overhead and substation applications, offering superior electrical insulation and mechanical resilience in challenging environments. Constructed from advanced composite materials such as silicon rubber or epoxy-based polymers, this insulation system replaces traditional porcelain or glass insulators, addressing limitations like brittleness and heavy weight. The composite structure combines a robust fiberglass core for mechanical strength with a weather-resistant polymer housing that provides excellent resistance to UV radiation, ozone, and chemical contaminants.
Engineered to operate at 30kV, the insulation features a modular design with optimized creepage distance and hydrophobic surfaces to prevent pollution flashover—a critical issue in areas with high levels of dust, salt, or industrial emissions. The polymer housing is formulated to maintain flexibility across a wide temperature range (-50°C to +120°C), ensuring reliable performance in extreme climatic conditions. Its lightweight nature reduces installation costs and mechanical stress on supporting structures, while the non-corrosive properties eliminate the need for frequent maintenance.
Superior Pollution Resistance: The hydrophobic polymer surface repels moisture and contaminants, significantly reducing the risk of flashover in polluted environments compared to porcelain insulators.
High Mechanical Strength: The fiberglass core provides excellent tensile and bending strength, with a breaking load capacity exceeding 100kN, making it suitable for high-wind and ice-loading scenarios.
Lightweight & Easy Installation: Weighing up to 70% less than equivalent porcelain insulators, it simplifies transportation and installation, especially in hard-to-reach mountainous or offshore locations.
Long-Term Durability: The composite material resists aging, cracking, and electrical tracking, with a service life of over 30 years under normal operating conditions.
Fire Retardancy: Specialized formulations offer self-extinguishing properties, meeting international fire safety standards (UL 94 V-0) for enhanced system reliability.
High-Voltage Transmission Lines: Ideal for overhead power grids in urban, rural, and industrial zones, ensuring stable insulation in polluted or humid environments.
Substation Equipment: Used for insulating busbars, circuit breakers, and transformers in outdoor substations, reducing maintenance costs and downtime.
Coastal & Offshore Projects: The salt-resistant polymer housing makes it suitable for marine environments, preventing degradation from salt-laden air and fog.
Renewable Energy Grids: Supports insulation in wind farm and solar plant transmission systems, enduring harsh weather and mechanical vibrations.
High-Altitude Regions: Performs reliably in low-temperature, high-altitude areas where traditional insulators may suffer from thermal shock or mechanical failure.
Q: How does composite polymer insulation compare to porcelain in terms of flashover resistance?
A: Composite insulators have hydrophobic surfaces that prevent water film formation, offering 30-50% better pollution flashover voltage than porcelain in the same conditions.
Q: Can this insulation be used in direct contact with ice or snow?
A: Yes, the flexible polymer housing withstands ice accumulation and thermal expansion without cracking, and its hydrophobicity reduces ice adhesion.
Q: What is the recommended cleaning frequency for polluted environments?
A: Unlike porcelain, composite insulators require minimal cleaning—typically once every 5-10 years—due to their self-cleaning hydrophobic properties.
Q: Is the material compatible with anti-aging coatings?
A: No additional coatings are needed, as the base polymer already includes UV stabilizers and anti-aging additives for long-term performance.
Q: What is the maximum operating temperature for the insulation?
A: It safely operates at conductor temperatures up to 90°C, with ambient temperatures ranging from -50°C to +50°C.
| Main Technical Parameter | |||||||
| Model | Rated voltage (KV) | Specified mechanical load(kN) | Spacing H (mm) | Arcing distance (>mm) | Minimum creepage distance (>=mm) | Lightening impulse residual voltage under nominal discharge current (<=KVp) | Wet power frequency Withstand voltage(>=kVr.m.s.) |
| FZSW-12/6 | 12 | 6 | 215 | 210 | 450 | 100 | 45 |
| FZSW-24/8 | 24 | 8 | 305 | 265 | 780 | 130 | 60 |
| FZSW-36/6 | 36 | 6 | 445 | 435 | 1015 | 190 | 90 |
| FZSW-72.5/10 | 72.5 | 10 | 770 | 675 | 1820 | 350 | 150 |
| FZSW-126/8 | 126 | 8 | 1220 | 1125 | 3150 | 500 | 230 |
| FZSW-245/4 | 252 | 4 | 2300 | 2200 | 6300 | 1050 | 450 |
