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•This design not only significantly improves cooling efficiency but also helps maintain stable temperature rise in your transformer during continuous operation. It is particularly suitable for transformers with capacities ranging from 1000kVA to 200,000kVA, making it ideal for critical applications such as industrial substations, urban power distribution grids, and renewable energy power plants. Ultimately, this translates to enhanced equipment reliability, reduced energy consumption, and extended operational life-all stemming from our technological focus on solving the fundamental problem of heat dissipation. The product is manufactured in compliance with the JB/T9642-1999 Transformer Fans standard, with core specifications as follows: •Airflow Range: 3,100 m³/h ~ 38,000 m³/h | Static Pressure: 45 Pa ~ 380 Pa (adaptable to various radiator sizes) •Motor Power: 0.37 kW ~ 1.5 kW (Pure copper winding, Class B insulation) •Protection Rating: IP55 (Dust & water resistant, suitable for outdoor environments from -40°C to 75°C) •Noise Level: 50 dB(A) ~ 70 dB(A) (3-10 dB(A) lower than conventional products) •Service Life: Bearing design life of 10 years; safe operation ≥ 5 years before first major overhaul. |
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Core Product Advantages
Solving the Core Pain Point of "Uneven Heat Dissipation"
Traditional fans often create chaotic airflow across the radiator surface due to undirected air delivery, leading to persistent localized hot spots. Our solution is a proprietary integrated airfoil impeller and guide-duct system within the Transformer cooling fan motor, which strictly directs airflow along the path of the radiator fins. This innovation increases airflow uniformity by up to 40% and directly reduces transformer winding temperature rise by 8~15°C, while boosting overload capacity by over 30%.
The benefits for you are more stable transformer operation, longer lifespan, and higher reliability under extreme conditions. Particularly in demanding environments like high temperatures or high altitudes, our system effectively eliminates cooling dead zones, significantly reducing risks associated with localized overheating-such as insulation aging, tripping, and failure-fundamentally ensuring the safety and continuous power delivery capability of your electrical equipment.
Lowering Total Cost of Ownership (TCO)
We've incorporated a "Multi-Objective Optimization Design" philosophy into the fan motor. This means we pursue not just high efficiency, but an optimal balance between motor structure, materials, and control systems. This approach significantly elevates the Energy Efficiency Ratio (EER) above 1.2 while enhancing reliability and environmental adaptability. This design delivers tangible energy savings: 20%~30% less electricity consumption compared to standard fans. For example, a commonly used 0.37kW model operating 8,000 hours annually can save approximately 592 kWh per year. This not only reduces your operational electricity costs but also cuts long-term carbon emissions through improved efficiency, achieving a win-win of economic and environmental benefits-ensuring every unit of power invested delivers greater real value.
Smart Compatibility: Can integrate with transformer temperature controllers for on-demand start/stop, further reducing wasteful energy consumption.
Minimizing Maintenance Input
Steel housing paired with anti-corrosion aluminum alloy impeller, resistant to corrosion and deformation, minimizing the need for frequent maintenance.
Three-phase no-load current deviation ≤ 10%, soft-start capability to prevent inrush current, reducing interference with the transformer's control system.
Meeting Custom Installation Needs
The Transformer cooling fan motor supports bottom-blow, side-blow, and front-blow installation configurations (with optional flanges/brackets). Available in diameters from Φ400mm to 1200mm, it can be customized based on your transformer's radiator layout and available space without modifying the existing equipment structure.
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Key Difference from Other Products: Not a "Replacement," but an "Upgrade"
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Comparison Dimension |
This High-Efficiency Directional Series |
Ordinary Axial Fan |
Centrifugal Fan |
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Heat Dissipation Efficiency |
Directional focusing, high heat dissipation uniformity |
Dispersed airflow, obvious hot spots |
High wind pressure but low air volume, poor adaptability |
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Energy Consumption Level |
Energy efficiency ratio ≥1.2, energy saving ≥20% |
Energy efficiency ratio 0.8~1.0, high energy consumption |
Energy efficiency ratio around 0.9, high noise |
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Applicable Scenarios |
Large and medium transformers (1000kVA+), outdoor complex environments |
Small transformers (≤1000kVA), indoor scenarios |
Special compact spaces, limited application scenarios |
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Operation & Maintenance Cost |
5-year maintenance-free, low failure rate |
Bearing replacement required in 1~2 years, frequent maintenance |
Complex structure, high overhaul difficulty |
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Noise Level |
50~70dB(A), low-noise operation |
65~80dB(A), significant noise interference |
75~90dB(A), additional noise reduction required |
Three Core Values We Delive
Precise heat dissipation prevents insulation material aging, extending transformer service life by 5~8 years.
Energy savings + low maintenance. A single fan can save $1,500 - $3,000 (USD) over its total lifecycle (including electricity, maintenance, and downtime costs).
Meets regulatory requirements for environmental standards (low noise), safety (protection ratings), and energy efficiency, helping you avoid compliance risks.
Frequently Asked Questions (FAQ)
Q: 1. Which transformer cooling methods is the Transformer cooling fan motor suitable for?
A: It is primarily designed for Oil Natural Air Forced (ONAF) and Oil Forced Air Forced (OFAF) systems, serving as a direct replacement for traditional fans. For large-capacity transformers (≥50,000 kVA), it can be integrated with oil pump systems to form a highly efficient cooling unit, improving heat dissipation efficiency by over 50%.
Q: 2. Can it be used in high-altitude regions (>1000m)?
A: Yes. While motor temperature rise increases slightly per 1000m of altitude, we provide customized motor winding designs based on your specific altitude. This ensures stable operation at elevations up to 3000m without requiring additional cooling equipment.
Q: 3. How can I quickly troubleshoot a fan failure?
A: Here are common faults and solutions:
Overheating: Check for intake blockage → clear debris. Check for impeller deformation → replace impeller.
Excessive Current: Worn bearings → replace bearings. Incorrect supply voltage → adjust power parameters.
Excessive Noise/Vibration: Loose mountings → tighten bolts. Damaged impeller → replace impeller (We offer 24-hour parts supply support).
Q: 4. Compared to water-cooling systems, what are the advantages of this fan?
A: Water-cooling (OFWF) systems offer high efficiency but require external water sources and water treatment equipment, leading to initial costs 3-5 times higher than our Transformer cooling fan motor. They also carry leakage risks. Our fan series requires no water source, features simple installation and maintenance, and has a payback period of only 1.5-2 years, making it ideal for water-scarce regions or applications sensitive to maintenance complexity.
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