Low Rpm Permanent Magnet Generator 1kw - 5000kw, High Output Permanent Magnet Alternator
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Product Highlights
- Wide Power Range: Rated power ranges from 0.5kW to 5000kW for diverse applications.
- Low Speed Direct Drive: Operates at 20-3000rpm with direct drive, eliminating gearboxes.
- High Efficiency Magnets: Uses rare earth Nd-Fe-B magnets for high output and efficiency.
- Customizable Parameters: Voltage, speed, power, and frequency can be customized per request.
- Long Service Life: Designed for over 20 years of operation, 24/7 continuous use.
- Free 3-Year Warranty: Includes free warranty for three years and lifelong technical support.
- IP54 Protection Grade: Steel shell with IP54 protection suitable for all environments.
- Multi-Pole Design: Improves frequency and efficiency of rectifiers and inverters.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- Yes
- Model NO.
- GDF
- Output Type
- AC Three Phase
- Number of Blade
- Multiple-Blade
- Rotating Shaft
- Horizontal
- Stress Way of Blade
- Revolve
- Power
- 10-100kW
- Phase
- 3p
- Certification
- CE
- Rated Rotor Speed
- 20-3000rrm
- Bearing Brand
- S Kf
- Portection Grade
- IP 54
- Appliances
- Wind Turbine, Hydro Turbine, etc
- Voltage
- 12-1140VAC
- Color
- All Color Is Available
- Guarantee
- Three Years for Free
- Life Time
- More Than 20 Years
- Type
- AC Three Phase Synchronous Permanent Magnet
- Country of Origin
- China
- Transport Package
- Ply Wooden Case
- Specification
- Aluminium Body+Copper Wire+Nd-Fe-B
- Trademark
- GREEF
- Origin
- China
- HS Code
- 8501610000
- Production Capacity
- 400/Sets Per Month
- Package Size
- 60.00cm * 70.00cm * 80.00cm
- Package Gross Weight
- 128.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Low Rpm Permanent Magnet Generator 1kw - 5000kw, High Output Permanent Magnet Alternator
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Product Description
Low RPM Permanent Magnet Generator/ Alternator
We can make customized generator according to customer's requirements of power, rpm, voltage and frequency:
| Rated power | 0.5kW - 5000kW |
| Rated rotate speed | 20rpm - 3000rpm |
| Rated voltage | 24VAC - 1140VAC |
| Wending Method | Y |
| Generator type | Permanent Magnet AC |
| Number of phase | Three phase |
| Classification of degrees | IP54 |
| Generator shell material | Steel |
Product Advantages:
| 1 | Rare earth Nd-Fe-B permanent magnets |
| 2 | Low Speed |
| 3 | Direct Drive ,no use gear-box |
| 4 | S KF bearing |
| 5 | Power factor close to 1 |
| 6 | Maintenance free , can be used in all environments |
| 7 | Long life time >20years, could run at high speed 24 hours 365 days |
| 8 | Multi poles design, improve the frequency and efficiency of rectifiers and inverters |
| 9 | Customized : Voltage, Speed, Power, Frequency etc. |
| 10 | H class insulation, vacuum pressure impregnation |
| 11 | Excellent heat dissipation , also can add fan cooling |
Product Drawing :
Customer's Project:
Power Curve: (Sample:10kW-250rpm)
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 the equipments can be produced according to customer's specific requirements


Packing&Shipping:
1. Greef generator use inner foam protection, outer Plywooden case.
2. Package size and weight, please contact our sales.
3. Shipping by sea with FCL / LCL to your nearest port
Or Shipping by air to your nearest airport
Or Shipping by DHL/FedEx/UPS/TNT to your door
If you have any requests in package and shipping , please contact us directly.
Our service:
All GREEF Generators are 3 years warranty for free, 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:
Qingdao Greef New Energy Equipment Co., Ltd are global supplier which focus on
Permanent Magnet generator, wind and solar hybrid generator systems solution,wind turbine
blades, controller, invertor etc.
GREEF have its own engineer design team which design products ourselves.

FAQ
1. Q: How your permanent magnet generator work?
A: Our generator need to be drive by other energy, like wind power, water power, belt, etc, then it can generating electric power.
2. Q: Can your magnetic generator produce electrical power by itself?
A: No, please refer A1.
3. Q: What is the power of your generator?
A: We can manufacture from 100w to 5000kw.
4. Q: What is the rotate speed of your generator?
A: From 20rpm to 3000rpm.
5. Q: Can you manufacture customized product?
A: Yes, we can.
Please tell your detailed request (power, rpm, voltage, size, color) to our sales, we will made the generator according to your request.
6. Q: Can your company provide OEM service?
A: Yes, we can.
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
- How does your permanent magnet generator work?
- Our generator needs to be driven by other energy sources, such as wind power, water power, or belts, to generate electric power.
- Can your magnetic generator produce electrical power by itself?
- No, it requires an external driving force as described in the previous answer.
- What is the power range of your generator?
- We can manufacture generators with power ranging from 100W to 5000kW.
- What is the rotate speed of your generator?
- The rated rotate speed ranges from 20rpm to 3000rpm.
- Can you manufacture customized products?
- Yes, we can. Please provide detailed requests for power, rpm, voltage, size, and color, and we will manufacture the generator according to your requirements.
- Can your company provide OEM service?
- Yes, we can provide OEM services.
- What is the warranty period for the generator?
- We provide a free 3-year warranty starting from the date of shipment, along with lifelong technical support.
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