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- 产品简介
- 技术规格
- 应用领域
- 测试能力
- 包装与定制
产品详情
The 25kV railway positioning composite insulator is designed for electrified railway overhead contact systems, providing reliable conductor positioning, mechanical support and electrical insulation. Wishpower composite insulators use silicone rubber housing and high-strength fiberglass core technology, making them suitable for high-speed railways, heavy-haul lines, intercity railways and traction power networks.
The Wishpower 25kV railway positioning composite insulator is an insulation component developed for 25kV AC electrified railway systems. It is typically installed in positioning devices, cantilever assemblies or overhead contact line support structures to maintain the correct position of contact wires while isolating high voltage from the supporting structure.
Key advantages of Wishpower composite insulators include:
High-temperature vulcanized silicone rubber housing with excellent hydrophobicity and anti-pollution performance.
Epoxy fiberglass core rod with high tensile, bending and mechanical strength.
Lightweight design for easier installation, replacement and maintenance.
Reliable end fittings suitable for railway overhead contact system structures.
Strong resistance to UV radiation, aging, tracking and weather exposure.
Customizable dimensions, fittings and creepage distance according to project requirements.
Core Features
High Electrical Insulation
The 25kV railway positioning composite insulator is designed to meet the insulation requirements of electrified railway overhead contact systems, including power frequency withstand voltage, impulse withstand performance and creepage distance.Excellent Anti-Pollution Performance
Silicone rubber material provides stable hydrophobicity, helping reduce flashover risks in humid, dusty, coastal or industrial polluted environments.Lightweight Construction
Compared with porcelain insulators, composite insulators are lighter, reducing the load on railway support structures and improving installation efficiency.Reliable Mechanical Strength
The fiberglass core and metal end fittings provide strong resistance to vibration, wind load and mechanical stress during railway operation.Strong Weather Resistance
The product is suitable for long-term outdoor service in cold, hot, humid, coastal and high-UV environments.Easy Installation and Maintenance
Compact structure and flexible connection options help reduce installation difficulty and railway maintenance costs.
Product Structure
The 25kV railway positioning composite insulator generally consists of the following parts:
Silicone Rubber Housing
Provides external insulation and protects the core from pollution, UV radiation, moisture and aging.Fiberglass Reinforced Epoxy Core
Acts as the main mechanical load-bearing component, offering high tensile, bending and impact resistance.Metal End Fittings
Usually made of hot-dip galvanized steel, stainless steel or customized corrosion-resistant metal materials for connection with railway positioning devices.Sealing System
Reliable sealing at the interface between the core and fittings prevents moisture ingress and improves long-term operating reliability.Shed Profile
Optimized shed spacing and creepage distance improve insulation performance under outdoor and polluted operating conditions.
技术参数
| Item | Specification |
|---|---|
| Product Name | 25kV Railway Positioning Composite Insulator |
| Brand | Wishpower |
| Applicable System | 25kV AC Electrified Railway Overhead Contact System |
| Rated Voltage | 25kV |
| Frequency | 50Hz / 60Hz |
| Housing Material | HTV Silicone Rubber |
| Core Material | Epoxy Fiberglass Core Rod |
| Fitting Material | Hot-Dip Galvanized Steel / Stainless Steel / Customizable |
| Typical Application | OCS positioning device, cantilever system, railway traction power line |
| Main Performance | High insulation, anti-pollution, weather resistance, vibration resistance, lightweight |
| Creepage Distance | Customizable according to project requirements |
| Mechanical Load | Customizable according to railway project design |
| Installation Type | Customized connection interface according to OCS structure |
| Operating Environment | Outdoor, polluted, humid, coastal, cold or hot areas |
| Reference Standards | IEC 61109, IEC 62217, EN 50151 and relevant railway standards |
| Service Life | Designed for long-term outdoor operation |
产品结构
主要应用领域
The 25kV railway positioning composite insulator is widely used in:
High-speed railway overhead contact systems
Conventional electrified railway lines
Heavy-haul railway traction power systems
Intercity and regional railways
Passenger dedicated railway lines
Railway cantilever and positioning assemblies
Coastal, polluted and windy railway areas
Cold, humid and high-UV railway environments
Railway line upgrading and OCS modernization projects
测试能力
Wishpower conducts strict electrical, mechanical and environmental tests to ensure the stable performance of 25kV railway positioning composite insulators.
Visual and Dimensional Inspection
Checks shed profile, end fittings, sealing areas, dimensions and assembly quality according to drawings and project requirements.Power Frequency Withstand Voltage Test
Verifies the insulation performance under normal operating voltage and overvoltage conditions.Lightning Impulse Withstand Test
Evaluates insulation stability under impulse voltage conditions.Mechanical Tensile or Bending Test
Confirms the safety margin of the core, fittings and complete insulator under mechanical load.Hydrophobicity Test
Assesses the water-repellent performance of silicone rubber housing in humid and polluted environments.Sealing Performance Inspection
Checks the reliability of the sealing structure around end fittings and core interfaces.Aging and Weathering Test
Uses UV exposure, thermal cycling, salt fog or humidity tests to evaluate long-term outdoor service capability.Partial Discharge and Electrical Performance Test
Conducted according to project requirements to improve operational safety and quality control.
包装与运输
为确保产品在运输和储存过程中的安全，我们采用以下包装方法：
- 独立包装: 每件产品均用保护膜包裹，装入高强度纸箱，并用缓冲材料进行缓冲。
- 托盘包装: 多个产品固定在木托盘上，并用拉伸膜包裹，适合集装箱运输。
- 出口包装: 根据海运要求提供熏蒸木箱、防潮处理和详细的装箱单。
定制服务
WishPower可根据客户需求提供以下定制选项：
- 结构尺寸: 调整总高度、爬升高度、棚架数量和棚架直径。
- 端部配件: 根据连接要求定制球窝、舌形接头、环眼或其他接口类型。
- 颜色: 标准灰色，红色、黄色、蓝色等其他颜色可根据最低起订量提供。
- 特殊环境: 适用于极寒（-60°C）、强紫外线照射、严重污染和其他恶劣条件的配方。
- 电压等级: 10kV 至 1000kV 全范围定制。
- 标记: 客户的标志或型号可以模压或印刷在产品上。
如有任何定制需求，请联系我们的销售工程师。我们将在24小时内提供技术解决方案。
FAQ
Q: What information should I provide for a quotation?
A: Please provide voltage level, product type, quantity, application environment, standard, drawings or technical specifications if available.
Q: Can you supply complete products for transmission and distribution projects?
A: Yes. We can provide composite insulators, surge arresters, fuse cutouts, insulating bushings and related power insulation products.
Q: What standards can your products meet?
A: Our products can be designed and tested according to IEC, ANSI, GB and customer-specific technical requirements.
Q: Are composite insulators suitable for coastal areas?
A: Yes. Composite insulators with silicone rubber housing provide good hydrophobicity and anti-pollution performance, making them suitable for coastal and polluted environments.
Q: How do I choose the right composite insulator for my project?
A: You can provide voltage level, installation type, mechanical load, creepage distance and operating environment. Our team will recommend the suitable model.
