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50KW 500KW 20rpm 3 Phase Permanent Magnet Generator

China Qingdao Greef New Energy Equipment Co., Ltd certification
China Qingdao Greef New Energy Equipment Co., Ltd certification
Customer Reviews
greef team is the best! i love them, they give professional and timely after-service. because of my unprofessional operation, the generator went wrong, but greef team helped me to solve this issue very patiently, the generator is good now, thanks again.

—— Jeam Mareie from Canada

¡Perfecto! Ayer, recibí este generador en Bogotá, muy buen generador. ¡Gracias

—— Stephen Brinker from Colombia

I ordered 10kW 100RPM model at the year of 2017, i ordered 1kW 180rpm this year, the disc generator has small torque,it is easy to rotate,thanks Greef new energy, I hope to do more buisness with more cheaper price on the year of 2019.

—— Prime Leisure from US

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50KW 500KW 20rpm 3 Phase Permanent Magnet Generator

50KW 500KW 20rpm 3 Phase Permanent Magnet Generator
50KW 500KW 20rpm 3 Phase Permanent Magnet Generator 50KW 500KW 20rpm 3 Phase Permanent Magnet Generator 50KW 500KW 20rpm 3 Phase Permanent Magnet Generator 50KW 500KW 20rpm 3 Phase Permanent Magnet Generator

Large Image :  50KW 500KW 20rpm 3 Phase Permanent Magnet Generator

Product Details:
Place of Origin: China
Brand Name: GreeF
Certification: CE
Model Number: GDF
Payment & Shipping Terms:
Minimum Order Quantity: 1 Set
Packaging Details: Foam + Plywooden Case
Delivery Time: 20-25 working days
Payment Terms: T/T, Western Union, L/C
Supply Ability: 400 sets per month
Detailed Product Description
Rated Power: 0.5kW-5000kW Rated Rotate Speed: 20rpm-3000rpm
Material: SKF Bearing Warranty: 3 Years
Frequency: 50hz/60hz Magnet Type: Nd-Fe-B
Wending Method: Star/Y
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Product Parameters


Rated power 0.5kW-5000kW
Rated rotate speed 20rpm-3000rpm
Rated voltage 48VAC - 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  SKF 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
Customized Product


GreeF company supply variety of permanent magnet generators which is suitable for driven by following equipments to

1 Driven by Wind Power --------Wind turbine
2 Driven by Water Power ------- Hydro generator
3 Driven by Belt with Motors
4 Driven by Motor
5 Driven by perpetual motion machine
6 Driven by test plant
7 Driven by yourselves creation
8 Driven the permanent magnet generator and make it rotate then it can generate power




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  

 OFF-GRID System (2).jpg





Our Services


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.



Packaging & 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.



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. 












 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. 



Contact Details
Qingdao Greef New Energy Equipment Co., Ltd

Contact Person: Ms. Christina Lei

Tel: 86-15166057722

Send your inquiry directly to us (0 / 3000)