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Home > Products > Permanent Magnet Generator >
5kw 6kw 10kw 220v 400v 50Prm Low Speed Permanent Magnet Alternator High Efficiency

5kw 6kw 10kw 220v 400v 50Prm Low Speed Permanent Magnet Alternator High Efficiency

50rpm Low Speed Permanent Magnet Alternator

5kw Low Speed Permanent Magnet Alternator

10kw Low Speed Permanent Magnet Alternator

Place of Origin:

CHINA

Brand Name:

GREEF

Certification:

CE

Model Number:

GDF

Contact Us
Request A Quote
Product Details
Bearing:
SKF Bearing
Generator Material:
Aluminium Body+Cooper Wire
Protection Grade:
IP54
Rated Voltage:
Customized
Magnet Type:
NdFeB
Rated Rotate Speed:
20rpm-3000rpm
Highlight:

50rpm Low Speed Permanent Magnet Alternator

,

5kw Low Speed Permanent Magnet Alternator

,

10kw Low Speed Permanent Magnet Alternator

Payment & Shipping Terms
Minimum Order Quantity
1Set
Price
Negotiable
Packaging Details
Foam+plywooden case
Delivery Time
25 working days
Payment Terms
T/T, Western Union, MoneyGram, L/C
Supply Ability
400 sets per month
Product Description

5kw 6kw 10kw 220v 400v 50Prm Low Speed High Efficiency Greef Energy Permanent Magnet Generator

Product Parameters

 

PMG 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

 

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
Customized : Voltage, Speed, Power, Frequency etc.
9
Multi poles design, improve the frequency and efficiency of rectifiers and inverters.
10
H class insulation, vacuum pressure impregnation.
11
Excellent heat dissipation , also can add fan cooling
Rated power
0.5--5000
kW
Rated rotate speed
20--3000
rpm
Rated voltage
48--1140
Vac
Frequency
60/50
Hz
Number of Poles
24
Generator type
3phase AC Synchronous generator
Magnet type
NdFeB
Winding Method
Y
Magnet temperature level
Max.120℃
Winding temperature level
Max.180℃
Effienciency
>95%
Insulate Grade
H
Insulating resistance
100Mohm Min(500Vdc)
Classification of degrees
IP54
Generatror shell material
Cast Iron
Winding material
100% Copper
Shaft material
Steel
Iron Core
Cold rolled silicon steel sheet
Bearing brand
SKF
Cooling Method
Fan Cooling
Weight (N.W /G.W )
132kg /152kg
Packing Size
870*470*570mm
Installation
Horizontal

 

Product Advantage

 

 

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
 

 

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

5kw 6kw 10kw 220v 400v 50Prm Low Speed Permanent Magnet Alternator High Efficiency 05kw 6kw 10kw 220v 400v 50Prm Low Speed Permanent Magnet Alternator High Efficiency 1

 

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

 

 
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.

 

 

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.

 

 

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.

Ratings& Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

E
E*c
France Jul 17.2025
Since installing this variable-pitch wind turbine, the battery hasn’t run low again. Before, I used to worry whenever we had consecutive overcast days and light winds in the winter, but now it can even charge the battery in low winds. Best of all, it doesn’t suddenly start screeching during gusts, so it doesn’t disturb my family’s sleep. The installer also mentioned that variable-pitch turbines are easier to calibrate than fixed-pitch ones. I give it five stars!
J
J*n
Norway Apr 8.2024
I run a small dairy farm in northern Norway, far from the power grid. A few years ago, I installed solar panels and a Deye inverter, but the solar system basically stops working in winter, and the diesel generator was costing me a fortune. This year, I added this variable-pitch wind turbine and connected it to the Deye inverter for a hybrid solar-wind system, and we haven’t had a single power outage all winter. This wind turbine starts up at low wind speeds of just 2–3 on the Beaufort scale. During blizzards, the blades automatically pitch down to slow the turbine, preventing runaway speeds, and it’s much quieter than my neighbor’s fixed-pitch model. The Deye inverter’s switching logic is smart—it prioritizes solar power when available, and automatically switches to the wind turbine when solar output drops. It’s all clearly visible on the app. Now, the diesel generator is practically idle. Wind and solar backing each other up—that’s true off-grid freedom.
L
L*s
Czech Republic May 4.2023
“I built a small pico hydro system on the creek behind my off-grid cabin. The water head is only 3 meters and flow rate around 0.2 m³/s – too low for most generators. This axial flux coreless unit starts generating usable power at just 150 RPM. No cogging, no iron loss, and it’s silent. I’m getting 300-400W continuously, 24/7. My old induction generator would barely light an LED at that speed. Absolutely perfect for low-head hydro.”

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