High Voltage China Porcelain Disc Insulator 120kN U120B
Product Main Parameters
| Parameter | Specification |
|---|---|
| Diameter (D) | 255mm |
| Spacing (H) | 146mm |
| Creepage Distance | 295/320mm |
| Coupling Size | 16mm |
| Mechanical Failing Load | 120kN |
| Tension Proof | 50kN |
| Dry Power-frequency Withstand Voltage | 70kV |
| Wet Power-frequency Withstand Voltage | 40kV |
| Dry Lightning Impulse Withstand Voltage | 100kV |
| Puncture Withstand Voltage | 110kV |
Common Product Specifications
| IEC Type | Diameter D (mm) | Spacing H (mm) | Creepage Distance L (mm) | Size of Coupling (mm) | Mechanical Failing Load (kN) | Mechanical Routine Test (kN) | Power Frequency Withstand Voltage DRY (kV) | Power Frequency Withstand Voltage WET (kV) | Lighting Impulse Withstand Voltage (kV) | Min Power Frequency Puncture Voltage (kV) |
|---|---|---|---|---|---|---|---|---|---|---|
| U120B/146 | 255 | 146 | 320 | 16 | 120 | 60 | 70 | 40 | 100 | 110 |
Product Manufacturing Process
The manufacturing of porcelain disc insulators in China involves precise steps to ensure high quality and durability. The process starts with the careful selection of raw materials including kaolin, feldspar, and quartz. These materials are mixed and shaped into a blank form, which is then dried and glazed. After glazing, the blanks are fired in a kiln at high temperatures, vitrifying the porcelain to enhance its mechanical and insulating properties. The insulators are then assembled with metallic fittings using cement, and subjected to thorough testing for strength and electrical insulation. China's rigorous quality control measures and advanced manufacturing techniques ensure that each porcelain disc insulator meets global standards.
Product Application Scenarios
Porcelain disc insulators are critical components in China for high-voltage power transmission and distribution systems. They are predominantly used in suspension insulator strings, which hang vertically, supporting conductors on transmission towers. This configuration allows for flexibility and movement due to environmental factors like wind or thermal changes, while maintaining electrical insulation. In scenarios requiring high mechanical tension, such as corners or termination points of transmission lines, strain insulators composed of multiple porcelain discs in series are used. China's porcelain insulators are designed to handle diverse climate conditions, making them suitable for international markets that face a variety of environmental challenges.
Product After-Sales Service
We offer comprehensive after-sales service for our China porcelain disc insulators, including technical support and consultation to ensure optimal product performance. Our team is committed to addressing customer inquiries promptly and providing solutions for any issues encountered during installation or operation. Replacement services are available for insulators that do not meet our high-quality standards, underlined by our warranty policies.
Product Transportation
Our China porcelain disc insulators are packaged securely for export, minimizing the risk of damage during transit. Shipments can be arranged via major ports such as Ningbo or Shanghai, with options for air or sea freight depending on customer preference. We ensure timely delivery through reliable logistics partners, offering tracking services to keep customers informed throughout the shipping process.
Product Advantages
- High mechanical strength capable of supporting heavy electrical loads.
- Weather-resistant with a non-porous surface for effective water and contaminant shedding.
- Thermally stable across a wide range of temperatures, suitable for different climates.
- Excellent dielectric properties, providing reliable insulation for high-voltage applications.
Product FAQ
- What materials are used in the production of China porcelain disc insulators?
China's porcelain disc insulators are primarily made from kaolin, feldspar, and quartz, which are mixed and fired to achieve the desired mechanical and insulating properties. - How are these insulators tested?
They undergo rigorous mechanical and electrical testing, including power-frequency and impulse withstand voltage tests, to ensure compliance with international standards. - What is the typical lifespan of a porcelain disc insulator?
With proper maintenance, these China insulators can last several decades, making them a cost-effective solution for power infrastructure. - Can these insulators be used in polluted environments?
Yes, their design increases creepage distance to mitigate the risk of flashover under contaminated conditions. - How does China address the issue of vandalism in porcelain insulators?
Protective measures such as installation in secure areas and regular inspections are recommended to prevent damage from vandalism. - Can these insulators be customized?
Yes, customization is available to meet specific mechanical or environmental needs, subject to feasibility and standards. - Are porcelain disc insulators affected by UV radiation?
Porcelain is inherently resistant to UV radiation, maintaining performance and longevity even in sunny climates. - How does temperature affect the performance of the insulators?
They are designed to withstand temperature variations without compromising mechanical or electrical properties. - What maintenance is required for these insulators?
Regular inspections and cleaning to remove contaminants are recommended to maintain performance. - Are these insulators eco-friendly?
Porcelain is a natural material, and production processes comply with environmental regulations, emphasizing sustainability.
Product Hot Topics
- Integration of China Porcelain Disc Insulators in Smart Grids
As China advances towards smart grid technology, porcelain disc insulators continue to be integral due to their reliability and compatibility with modern electrical infrastructure. Their capacity to support high voltage applications makes them indispensable in ensuring the efficient functioning of power grids, contributing to stable electricity delivery across urban and rural areas. - Global Demand for China Porcelain Disc Insulators
With growing electricity demands worldwide, the export of China's porcelain disc insulators has surged. Their adaptability to various environmental conditions and cost-effectiveness make them a preferred choice for countries seeking to upgrade or expand their power transmission networks. - Technological Advancements in Porcelain Insulator Manufacturing
China's porcelain disc insulator manufacturing has incorporated state-of-the-art technology, streamlining processes and enhancing product quality. Advanced kilns and modern testing facilities ensure that each insulator meets stringent international standards, solidifying China's position as a leading supplier. - Challenges in Porcelain Insulator Installation and Maintenance
While porcelain disc insulators offer numerous benefits, their weight and fragility require careful handling during installation. Ongoing research in China focuses on improving installation techniques and developing lightweight alternatives without compromising performance. - The Role of China Porcelain Disc Insulators in Renewable Energy Projects
As nations shift towards renewable energy, the demand for robust transmission infrastructure grows. China's porcelain disc insulators are increasingly used in solar and wind energy projects, supporting the safe transmission of electricity generated from renewable sources. - Cost-Benefit Analysis of China Porcelain Disc Insulators
Porcelain disc insulators offer a favorable balance between cost and performance, with their long lifespan and low maintenance requirements providing significant economic advantages over time, benefiting both domestic and international energy sectors. - Environmental Impact of Porcelain Insulator Production
China's manufacturers are committed to reducing the environmental footprint of porcelain insulator production through sustainable practices, including recycling of materials and energy-efficient manufacturing processes, reflecting the industry's move towards greener solutions. - Comparing Porcelain and Composite Insulators
While composite insulators have gained popularity, porcelain disc insulators remain preferred for high-voltage applications due to their proven reliability and exceptional electrical properties, maintaining their relevance in global markets. - Porcelain Insulators in Harsh Environmental Conditions
China's porcelain disc insulators are engineered to withstand harsh climates, from desert heat to icy conditions, ensuring uninterrupted power transmission under extreme environmental stresses, which is a testament to their versatile design. - The Future of China Porcelain Disc Insulators
Innovation in material science and manufacturing techniques promises an exciting future for porcelain disc insulators. As China invests heavily in research and development, potential enhancements in durability and performance are anticipated, securing their continued relevance in a dynamically evolving energy landscape.
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