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Help CenterHeavy-Duty Enameled Copper Flat Wire for High-Voltage Power Transformers
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Shandong Huilong Electrical Material Co., Ltd., established in 1970, brings over five decades of expertise in manufacturing premium electrical components. Our heavy-duty enameled copper flat wire is engineered specifically for high-voltage power transformers, delivering unmatched electrical insulation and mechanical resilience. Operating from our 10,000-30,000㎡ facility in Dezhou, China, we combine advanced manufacturing with stringent quality control to produce conductors that withstand extreme operational demands. Trusted by global clients across North America, Europe, and Asia, our solutions ensure transformer reliability in critical power infrastructure.
Technical Advantages & Specifications:
- Superior Dielectric Strength: Triple-layer enamel insulation withstands voltages up to 15kV/mm
- Thermal Resilience: Maintains integrity at continuous 180°C operation with 220°C peak tolerance
- Mechanical Durability: Withstands 25+ bends at 180° angle without cracking (IEC 60317 testing)
- Corrosion Resistance: Impervious to transformer oils, moisture, and chemical vapors
| Parameter | Standard Range | Customization |
|---|---|---|
| Conductivity | ≥101% IACS | Available |
| Insulation Thickness | 0.08-0.25mm | Adjustable |
| Dimensional Tolerance | ±0.02mm | ±0.01mm option |
| Adhesion Strength | ≥25N | Enhanced grades |
The rectangular profile maximizes copper fill factor in transformer windings by 15-20% compared to round wires, significantly improving power density. Our proprietary enamel formulation eliminates pinhole defects through automated optical inspection systems, ensuring consistent dielectric performance across production batches. These features directly translate to reduced eddy current losses, lower operating temperatures, and extended transformer service life.
Client Benefits:
- Energy loss reduction up to 12% through optimized conductivity
- 30% longer insulation lifespan versus standard Class F materials
- Simplified winding process with minimal spring-back effect
- Compatibility with vacuum pressure impregnation (VPI) systems
Trusted Global Supply:
Backed by US$100M+ annual exports through Qingdao/Shanghai ports, our manufacturing complies with ISO9001, ISO14000, and OHSAS18001 certified processes. Serving 90+ countries across six continents, we maintain dedicated technical support teams for seamless integration into your transformer production. Contact us today for custom dimension solutions and volume pricing that leverages our 51-100 skilled workforce capabilities.
Frequently Asked Questions:
-
Q: What temperature classes are available beyond standard 180?
A: We offer 200°C and 220°C thermal classes for specialized applications -
Q: Can I request specific packaging configurations?
A: Yes, we provide wooden spools, steel reels, or custom coil weights per request -
Q: How does your wire perform in cryogenic environments?
A: Maintains flexibility at -60°C with modified enamel formulations -
Q: What documentation accompanies shipments?
A: All deliveries include material certification, test reports, and RoHS compliance data -
Q: Do you provide samples for prototype testing?
A: Evaluation samples available within 7 working days -
Q: What's the minimum order quantity for custom specifications?
A: MOQ starts at 500kg with flexible scaling options
Send Inquiry to This Supplier
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