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Help CenterEnamelled Aluminum Wire for Oil-Immersed Transformers - 0.8mm to 3.5mm Sizes
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As a reputable manufacturer established in 1970, Shandong Huilong Electrical Material Co., Ltd. brings over five decades of expertise to producing high-quality enameled aluminum wire specifically designed for oil-immersed transformers. Operating from a 10,000-30,000 square meter facility and achieving annual exports above $100 million, we leverage rigorous certifications like ISO9001 and ISO14000 to ensure our wire meets global standards for reliability and performance. Available in diameters from 0.8mm to 3.5mm, this product offers a cost-effective and durable solution for transformer windings, reducing overall weight and enhancing efficiency in demanding electrical applications. With a dedicated team of 51-100 professionals, we prioritize innovation and customer satisfaction, making our wire an ideal choice for projects worldwide.
Our enameled aluminum wire excels in oil-immersed transformer environments due to its superior insulation properties and material advantages. Key features include:
- Excellent Electrical Insulation: The enamel coating provides robust dielectric strength, preventing short circuits and ensuring long-term safety in oil-filled systems.
- High Thermal Resistance: Rated for continuous operation at up to 130°C (Class B), it withstands the heat generated in transformers without degradation.
- Cost Efficiency: Aluminum is lighter and more economical than copper, reducing material costs while maintaining conductivity for energy savings.
- Corrosion and Oil Resistance: Designed to resist chemical reactions in oil-immersed settings, it extends transformer lifespan and minimizes maintenance needs.
- Customizable Sizes: Offered in a versatile diameter range from 0.8mm to 3.5mm, it supports various transformer designs and power ratings.
Technical specifications are critical for optimal performance. Below is a table summarizing key parameters based on standard offerings; actual values may vary based on customization requests:
| Diameter (mm) | Conductor Area (mm²) | Resistance (Ω/km) | Current Rating (A) | Insulation Thickness (mm) |
| 0.8 | 0.50 | 57.0 | 2.5 | 0.03 |
| 1.0 | 0.79 | 36.0 | 4.0 | 0.035 |
| 1.5 | 1.77 | 16.0 | 7.5 | 0.04 |
| 2.0 | 3.14 | 9.0 | 12.0 | 0.045 |
| 2.5 | 4.91 | 5.8 | 18.0 | 0.05 |
| 3.0 | 7.07 | 4.0 | 25.0 | 0.055 |
| 3.5 | 9.62 | 2.9 | 32.0 | 0.06 |
These specifications translate to tangible benefits for clients, such as reduced energy losses due to lower resistance, easier handling during winding processes, and adaptability to harsh environments for consistent operation. Additionally, the wire's compliance with international standards like OHSAS18001 ensures it meets safety and environmental regulations, providing peace of mind for industrial applications.
Supported by our extensive export network to markets including North America, Eastern Europe, Southeast Asia, and beyond, with shipments from ports like Qingdao and Shanghai, Shandong Huilong guarantees timely delivery and dependable quality. Our certifications, including ISO14000 for environmental management, underscore our commitment to sustainable manufacturing. This enameled aluminum wire not only enhances transformer efficiency but also offers long-term value through durability and cost savings. Reach out to us for tailored solutions or bulk orders to elevate your electrical projects.
Frequently Asked Questions (FAQ)
-
What makes aluminum wire suitable for oil-immersed transformers?
Aluminum provides a lightweight, cost-effective alternative to copper with good conductivity. The enamel insulation ensures resistance to oil degradation, making it ideal for submerged transformer windings where durability and electrical isolation are critical. -
Can I request custom sizes outside the 0.8mm to 3.5mm range?
Yes, sizes are customizable upon request. We work with clients to produce specific diameters to meet unique transformer design requirements, ensuring optimal fit and performance. -
What certifications apply to this wire, and how do they benefit buyers?
Our wire meets ISO9001 for quality management and ISO14000 for environmental standards, among others. These certifications assure consistent product quality, compliance with global regulations, and reduced risk in industrial applications, enhancing buyer confidence. -
How does the temperature rating affect performance in transformers?
Rated for Class B (130°C), the wire handles high operating temperatures common in oil-immersed transformers without insulation breakdown. This ensures reliable long-term use and minimizes failures due to thermal stress. -
What is the typical lead time for orders?
Lead times depend on order volume and customization; standard sizes ship within 2-4 weeks. We prioritize efficient production and logistics from our ports to ensure prompt delivery worldwide. -
Is aluminum wire as conductive as copper for transformer applications?
While aluminum has higher resistance than copper, it is often a practical choice due to lower cost and weight. For many transformer designs, it provides sufficient conductivity when properly sized, offering a balanced solution for efficiency and economy. -
What packaging options are available?
We supply wire on standard spools for easy handling, but packaging can be customized—such as reels or bulk coils—based on client needs to facilitate storage and installation. -
Can this wire be used in other transformer types besides oil-immersed?
Primarily designed for oil-immersed environments, it can also be adapted for dry-type transformers with appropriate specifications. Consult our team for details on compatibility with your specific application.
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