5kw Coreless Permanent Magnet Generator in Vertical Axis Wind Turbine
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Product Highlights
- Low Start Torque: Utilizes precise coil technology to achieve start torque less than 1 N.M for very low start wind speed.
- Coreless Design: Disc coreless structure eliminates hysteresis and gear notches, reducing volume and weight significantly.
- High Efficiency: Features efficiency greater than 85% with high power-to-volume ratio and low mechanical resistance.
- Durable Materials: Constructed with high-stability Nd-Fe-B magnets and aluminum alloy shell for harsh environments.
- Long Lifespan: Special structure provides a lifespan 8 times longer than traditional motors, up to 20 years.
- Wide Power Range: Available in multiple models ranging from 0.3KW to 10KW with various rated speeds.
- OEM Service: Provides OEM customization services for specific generator requirements.
- Free Warranty: Includes 3 years free warranty covering parts and labor for quality issues.
Product Attributes
- Customization
- Available
- Output Type
- AC Three Phase
- Generator Type
- 3 Phase AC Coreless Permanent Magnet Generator
- Model NO.
- GDG
- Rated Power
- 0.3/0.5/1/2/3/5/10kw
- Rated Speed
- 100-300rpm
- Rated Voltage
- 12-400VAC
- Start Torque
- < 1 N.M
- Generator Shell Material
- Aluminum Alloy
- Magnetic Material
- ND-Fe-B
- Structure
- out Rotor
- Lifetime
- 20 Years
- Service
- OEM
- Transport Package
- Plywood Case
- Specification
- 1 CBM
- Trademark
- GREEF
- Origin
- China
- HS Code
- 85016100
- Production Capacity
- 1000 Sets/Year
Product Images of 5kw Coreless Permanent Magnet Generator in Vertical Axis Wind Turbine
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Product Description
GreeF company supply modified kinds of Coreless Disk Permanent Magnet Generator. The main models are as follow:
- GDG-0.2KW 200RPM
- GDG-0.5KW 200RPM
- GDG-1KW 150RPM
- GDG-1KW 180RPM
- GDG-2KW 120RPM
- GDG-2KW 180RPM
- GDG-3KW 100RPM
- GDG-3KW 180RPM
- GDG-5KW 100RPM
- GDG-5KW 150RPM
- GDG-10KW 100RPM
- GDG-10KW 150RPM
Magnetic Generator Overview
The coreless disk permanent magenetic generator is made of high-stability Nd-Fe-B materials.
The specific outer rotor magnetic circuit is designed in a special way. The magnetic generator
has following features:
Low starting torque, Low start wind speed, Low weight, small size, High generating efficiency
Magnetic Generator Features- Torque Patent Technology: use newest "Precise Coil" technology. No hysteresis and gear notches effect make the start torque very low <1N.M
- Original Structure: use disc coreless motor to take place traditional motor makes it less volume and weight.
- Higher Utilization: use special coreless motor technology to eliminate the use bottlenecks of lower speed wind energy.
- Higher Reliability: special structure make it bigger ratio of power to volume, power to weight and have long life of 8 times longer than traditional motor.
- Gearless, direct drive, low RPM generator.
- High standard, quality components for use in harsh and extreme environments for wind turbines
- High efficiency and Low mechanical resistance energy loss.
- Excellent heat dissipation due to the Aluminum alloy outer frame and special internal structure.
| Model | 0.5KW-200RPM | 1KW-180RPM | 1KW-200RPM | 2KW-120RPM | 2KW-180RPM |
| Rated Power | 0.5KW | 1KW | 1KW | 2KW | 2KW |
| Rated Rotate 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% | ||||
| Wending Method | Y | ||||
| Insulating Resistance | 100Mohm Min(500V DC) | ||||
| Leakage Level | <5 ma | ||||
| Start Torque | <0.1N/M | <0.3 N/M | <0.3 N/M | <0.5 N/M | <0.3 N/M |
| Phase Type | 3 Phase | ||||
| Structure | Out rotor | ||||
| Stator | Coreless wire coil | ||||
| Rotor | Rare Earth Permanent Magnet | ||||
| Generator Shell Diameter | 320 | 380 | 380 | 550 | 450 |
| Generator Shell Length |
232 | 241 | 241 | 330 | 258 |
| Weight | 20 | 32 | 32 | 75 | 51 |
| Shaft Drameter | 45 | 50 | 50 | 78 | 59 |
| Generator Shell Material | Aluminum alloy | ||||
| Shaft Material | Carbon steel | ||||
| Bearing | Deep groove ball bearing | ||||
| Model | 3KW-100RPM | 3KW-180RPM | 5KW-100RPM | 5KW-150RPM | 10kw-100RPM |
| Rated Power | 3KW | 3KW | 5KW | 5KW | 10KW |
| Rated Rotate Speed | 100RPM | 180RPM | 100RPM | 150RPM | 100RPM |
| Rated Voltage | 220Vac | 220Vac | 220Vac | 220Vac | 380VAC |
| Rated Current | 4.6A | 4.7A | 7.6A | 15.2A | 14.5A |
| Efficiency | >85% | ||||
| Wending Method | Y | ||||
| Insulating Resistance | 100Mohm Min(500V DC) | ||||
| Leakage Level | <5 ma | ||||
| Start Torque | <1 N/M | <0.5 N/M | <0.5 N/M | <1 N/M | <1N/M |
| Phase Type | 3 Phase | ||||
| Structure | Out rotor | ||||
| Stator | Coreless wire coil | ||||
| Rotor | Rare Earth Permanent Magnet | ||||
| Generator Shell Diameter | 620 | 550 | 700 | 620 | 770 |
| Generator Shell Length | 410 | 330 | 400 | 410 | 590 |
| Weight | 110 | 65 | 125 | 110 | 245 |
| Shaft Drameter | 80 | 78 | 98 | 80 | 85 |
| Generator Shell Material | Aluminum alloy | ||||
| Shaft Material | Carbon steel | ||||
| Bearing | Deep groove ball bearing | ||||
Currently we offer wide range:
------ 300W-100kw FRP wind turbine blades
------ Horizontal Axis Wind Turbine generator (HAWT)
------ Vertical Axis Wind Turbine generator (VAWT)
------ Solar and wind hybrid system
------ Solar panel
------ Permanent Magnent Generator
------ Controllers, invertor, battery and relation products
This is Victor, if you want to get the best price and more information, also can contact us directly:
Mobile:+86-15264246886
Magnetic Generator Drawing Sample
Magnetic Generator Power Curve Sample
Magnetic Generator Pictures
Magnetic Generator Packaging & Shipping
1. The magnetic generator use inner foam protection outer Plywooden case. Generator shaft use pipe protection.
2. Pakage size and weight please refer to our sales.
3. Shipping by sea with FCL LCL or by air.
If you have any request in package and shipping please tell our sales we will do according to your request.
Our Services
- OEM service
- Our magnetic generator is free 3 years warranty, All lifelong technical support and part cost supply.
(1) The warranty period is start from the date of shipment which show on the bill of loading or air waybill.
(2) Free maintenance services during the warranty period the cost involved be borne by the company, do not charge a fee to customers, free warranty if any damage outside the warranty period, the company will charge a fee for labor costs and materials.
(3) the warranty period, company's quality problems caused by the maintenance of the freight borne by the company, if not under warranty or man-made damage, the freight charges by the customer.
Company Information
Please send your inquiry,our team will contact you with 24 hours!
About the Supplier
Company Profile
GREEF: Green Renewable Energy Earth Future
In a world grappling with environmental challenges and the urgent need for sustainable solutions, GREEF emerges as a beacon of hope. Our brand name, GREEF, is an acronym where each letter holds a profound meaning: G for Green, R for Renewable, E for Energy, E for Earth, and F for Future. This acronym is not just a name; It's a promise, a mission, and a vision that drives everything we do. Our logo, a vibrant blend of green hues intertwined, visually encapsulates our commitment to a sustainable and thriving future for our planet.
The Origin of GREEF
The story of GREEF begins with a simple yet powerful dream: To create a world where green renewable energy is accessible to all, ensuring a sustainable future for generations to come. Our founders, a group of passionate environmentalists and engineers, recognized the pressing need to transition away from fossil fuels and towards cleaner, renewable sources of energy. They envisioned a company that would not only provide innovative energy solutions but also inspire a global movement towards sustainability.
GREEF specializes in providing advanced system solutions for wind, hydro, and solar energy, with globally deployed wind turbines renowned for ultra-low cut-in wind speeds, minimal noise emissions, and aerodynamically optimized designs that perform reliably across diverse climatic and environmental conditions. Our permanent magnet generators cover a power range from 500W to 5MW. Fifty percent of our core engineering team possesses 12-20 years of industry expertise, enabling customized end-to-end solutions encompassing holistic design planning, schematic development, 3D renderings, physical prototyping, volume production, quality control, and after-sales service. Our rapid-response system significantly reduces clients' time and cost pressures.
Products exported to Europe, South America, North America, and global markets carry CE certification with 3-5 year warranty periods, while quality and on-time delivery are guaranteed by ****** Trade Assurance. Since inception, we've upheld our mission to deliver economical and reliable power solutions through renewable energy innovation, accelerating global green energy transition. Our credo "Green Renewable Energy for Earth's Future" embodies our conviction in a sustainable tomorrow - our brand story transcends actions to encompass our purpose and the impact we strive to create.
About Our Factory & Business Background
- Address
- 2-111, No, 6 Changcheng Soth Road, Chengyang Dist, Qingdao, Shandong, China
- Terms of Payment
- T/T, PayPal, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DDP, CPT, Others, FCA
- Nearest Port
- QINGDAO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2014-03-18
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the warranty period?
- We provide a free 3-year warranty starting from the shipment date. During this period, the company covers all maintenance costs and freight for quality issues.
- What are the start torque specifications?
- The generator features extremely low start torque, typically less than 1 N.M, allowing operation at very low wind speeds.
- What materials are used for the generator?
- The generator uses high-stability Nd-Fe-B magnetic materials and an aluminum alloy shell for durability and heat dissipation.
- What is the expected lifespan of the generator?
- Due to its special coreless structure, the generator has a lifespan 8 times longer than traditional motors, lasting up to 20 years.
- Is OEM service available?
- Yes, we offer OEM services to customize the generator according to your specific requirements.
- What is the efficiency of the generator?
- The generator achieves an efficiency greater than 85% with low mechanical resistance and energy loss.
- How is the generator packaged for shipping?
- The generator uses inner foam protection and an outer plywood case. The shaft is protected by a pipe. Shipping is available by sea (FCL/LCL) or air.
- What is the response time for inquiries?
- Our team will contact you within 24 hours after receiving your inquiry.
Send your message to this supplier
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