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Axial Flux Coreless Permanent Magnet Generator 0.5kW-10kW for Vertical Wind Turbines - China Suppliers & Factory
Key Advantages
★
Ultra-Low Starting Torque
Eliminates hysteresis and gear notch effects, achieving starting torque < 0.1 N·m.
Eliminates hysteresis and gear notch effects, achieving starting torque < 0.1 N·m.
★
High Efficiency
Coreless design minimizes mechanical resistance, reducing energy loss.
Coreless design minimizes mechanical resistance, reducing energy loss.
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Precise Coil Technology
Optimized electromagnetic performance ensures stable power generation.
Optimized electromagnetic performance ensures stable power generation.
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Advanced Magnetic Design
Rare-earth permanent magnets provide high power density and output.
Rare-earth permanent magnets provide high power density and output.
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Maintenance-Free
Gearless direct-drive design eliminates wear-prone components.
Gearless direct-drive design eliminates wear-prone components.
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Enhanced Durability
Compact structure with 8× longer lifespan than traditional generators.
Compact structure with 8× longer lifespan than traditional generators.
This generator is ideal for renewable energy applications requiring high efficiency and low maintenance in varying conditions.
Product Features
| 1 | Torque Patent Technology: Use newest “Precise Coil” technology. No hysteresis and gear notches effect make the start torque very low <0.3N.M |
| 2 | Original Structure: Use disc coreless motor to replace traditional motors, resulting in less volume and weight. |
| 3 | Higher Utilization: Use special coreless motor technology to eliminate the bottlenecks of lower speed wind energy. |
| 4 | Higher Reliability: Special structure provides a larger ratio of power to volume/weight and an 8x longer lifespan than traditional motors. |
| 5 | Gearless, direct drive, low RPM generator design. |
| 6 | High standard, quality components for use in harsh and extreme environments for wind turbines. |
| 7 | High efficiency and low mechanical resistance energy loss. |
| 8 | Excellent heat dissipation due to the Aluminum alloy outer frame and special internal structure. |
| 9 | Customized: Voltage, Speed, Power, Frequency, etc. |
| 10 | H class insulation, vacuum pressure impregnation. |
| 11 | Excellent heat dissipation; can also add fan cooling. |
Specification
| Model | GDG-0.5KW-200 | GDG-1KW-180 | GDG-1KW-200 | GDG-2KW-120 | GDG-2KW-180 |
|---|---|---|---|---|---|
| Rated Power | 0.5KW | 1KW | 1KW | 2KW | 2KW |
| Rated Speed | 200 RPM | 180RPM | 200RPM | 120RPM | 180RPM |
| Rated Voltage | 56Vac | 56Vac | 56Vac | 115Vac | 115Vac |
| Rated Current | 9A | 12A | 17.9A | 10A | 17.4A |
| Efficiency | >85% | ||||
| Start Torque | <0.1N/M | <0.3 N/M | <0.5 N/M | <0.3 N/M | |
| Generator Shell Dia. | 320 | 380 | 550 | 450 | |
| Weight (kg) | 20 | 32 | 32 | 75 | 51 |
| Model | GDG-3KW-100 | GDG-3KW-180 | GDG-5KW-100 | GDG-5KW-150 | GDG-10KW-100 |
|---|---|---|---|---|---|
| Rated Power | 3KW | 3KW | 5KW | 6KW | 10KW |
| Rated Speed | 100RPM | 180RPM | 100RPM | 150RPM | 100RPM |
| Rated Voltage | 380VAC | 380VAC | 380VAC | 380VAC | 400VAC |
| Rated Current | 4.6A | 4.7A | 7.6A | 15.2A | 14.5A |
| Efficiency | >85% | ||||
| Start Torque | <1 N/M | <0.5 N/M | <1 N/M | ||
| Weight (kg) | 110 | 65 | 125 | 110 | 245 |
System Solution
Greef Technical Team can provide the complete ON-grid and Off-grid solution for the project which used our permanent magnet generator. All equipment can be produced according to customer's specific requirements.
Product Display
Frequently Asked Questions
What is the main advantage of the coreless design?
The coreless design eliminates hysteresis and gear notch effects, resulting in an ultra-low starting torque (less than 0.1 N·m) and significantly higher energy conversion efficiency.
How long is the expected lifespan of this generator?
Thanks to the gearless direct-drive structure and brushless design, this generator has a lifespan approximately 8 times longer than traditional motors.
Can the specifications be customized for specific projects?
Yes, we offer customization for various parameters including voltage, speed, power, and frequency to meet your specific application requirements.
Is this generator suitable for extreme environments?
Absolutely. It is built with high-standard quality components and an Aluminum alloy outer frame designed to withstand harsh and extreme environments.
What kind of maintenance does it require?
This generator is designed for maintenance-free operation. The gearless and brushless design eliminates the most common wear-prone parts found in traditional generators.
What is the efficiency rating of these generators?
Most models in this series achieve an efficiency rating of over 85%, maximizing power output even at lower RPMs.
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