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Post composite insulators serve as core components for mechanical support and electrical insulation in overhead transmission lines, distribution networks, and substations. Silicone rubber is a widely used polymeric insulation material for high voltage applications, serving as the base material for HAIVO post composite insulators. This product series has a rated voltage range up to 252kV. Designed for line support and insulation in power transmission and distribution systems, the products comply with multiple international standards including IEC 62217:2005, IEC 62231:2006 and ANSI. This series adapts to varied application scenarios for industrial clients in power construction, substation operation and power equipment procurement, supporting stable line operation and reducing on-site maintenance input for enterprise customers.
The insulators support specified mechanical loads for overhead line support in power transmission and distribution systems. The compact structural design reduces overall weight, which facilitates transportation and on-site handling. The structure also delivers anti-vibration performance to adapt to mechanical stress during long-term line operation. These properties help reduce the risk of mechanical failure under sustained load conditions, supporting consistent line operation for power grid projects.
The insulators maintain stable performance under varied ambient conditions, with anti-moisture capability for humid operating environments. The housing material supports anti-pollution flashover performance, reducing operation risks in areas with heavy air pollution or high dust content. The material also has anti-aging properties, which supports application at high altitude locations with strong ultraviolet radiation. For projects located in coastal, industrial pollution zones or high altitude areas, the insulators can maintain consistent performance without additional frequent cleaning maintenance.
The product maintains stable electrical performance under rated voltage conditions. The creepage distance and arcing distance parameters are set in line with standard requirements for high voltage operation, supporting stable insulation performance for both transmission and distribution lines. The design follows standard specifications, adapting to both dry and wet operation conditions for overhead transmission systems.
The light weight and compact structure simplify on-site installation procedures. Compared with traditional ceramic insulators, the lighter weight reduces lifting and installation workload, shortening the on-site construction period for project teams. The product requires minimal routine maintenance during operation, which reduces long-term operation and management costs for commercial users.
The silicone rubber housing is formed through integral injection molding. The material has hydrophobicity, hydrophobicity migration and soil resistance properties, which contribute to pollution flashover prevention and support stable operation of high voltage transmission lines. Unlike ceramic insulation materials, silicone rubber maintains hydrophobic performance even after long-term outdoor exposure. The integral high temperature vulcanized silicone rubber injection molding process fuses the connection position between end fittings and rods with sheds housing, which minimizes interface gaps.
The insulator adopts modified ECR fiberglass reinforced epoxy resin rod as the internal support structure. This material has resistance to high temperature, stress corrosion and acid attack, with tensile strength above 1200Mpa. It also delivers damping performance, as well as resistance to creep and fatigue failure, which ensures the internal insulation quality and mechanical strength of the insulators. This internal core material balances mechanical strength and weight, providing stable internal insulation performance even under temperature fluctuation conditions.
End fittings are crimped onto the fiberglass rod with voice-operated displacement type crimper. This crimping technique ensures consistent mechanical strength across products with small performance dispersion. The automated crimping process ensures consistent assembly quality across mass production batches, reducing performance differences between individual products.
The internal radial multi-seal structure is applied at the connection between end fittings and rods. This design supports long-term stable sealing performance at the connection positions, reducing the risk of internal moisture ingress during long-term outdoor operation. This multi-seal design addresses the common risk of interface sealing failure in outdoor composite insulators, extending the service life of products in humid and variable temperature environments.
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 post composite insulators are designed for operation under the following conditions:
Ambient air temperature: -50℃ - +50℃
Altitude: <=3000m
Frequency: <=100Hz
HAIVO post composite insulators comply with IEC 62217:2005, IEC 62231:2006, ANSI, GB and other international and regional standards. All product parameters are tested according to corresponding standard procedures to ensure compliance with specified requirements.
Besides post composite insulators up to 252kV, the product range also includes long rod composite insulators up to 500kV, pin composite insulators up to 36kV, and line post composite insulators up to 36kV to meet different application demands in power systems.
Yes, special design and adjustment are available according to customers’ project requirements. Clients can contact the support team for detailed customization solutions based on actual working conditions and technical demands.
The normal color options for composite insulators include red, gray and white. Clients can select suitable colors based on project requirements and environmental matching needs.
