Especially suitable for direct-drive wind turbines.
No gearbox required, capable of low rotor speeds and high torque.
Suitable for small and medium-sized wind power systems, off-grid wind power, and offshore wind power.
Hydropower Generation
Primarily used in small and medium-sized hydropower stations and micro-hydropower generation systems.
Can be used with axial-flow and Francis-flow turbines.
Compact and highly efficient, making them suitable for use in remote areas.
Key Features
No.
Technical Features
1
Customized: Voltage, Speed, Power, Frequency etc.
2
Direct Drive, no gear-box
3
Rare earth Nd-Fe-B permanent magnets
4
Long life time >20years, could run at high speed 7 days 24 hours.
5
Power factor close to 1
6
Maintenance free, can be used in all environments.
Specifications
We have our own factory, provide customized generator according to each customer 's requirements of Voltage, Speed, Power, Frequency etc.
Parameter
Value
Rated Power
0.5-5500KW
Rated Rotate Speed
20-3000rmp
Rated Voltage
48-1140Vac
Frequency
50/60HZ
Number of Poles
24
Generator Type
3 phase AC Synchronous Generator
Magnet Type
NdFeB
Winding Method
Y
Magnet temperature level
Max.120°C
Winding Temperature Level
Max.180°C
Efficiency
>95%
Insulate Grade
H
Insulating resistance
100Mohm Min (500Vdc)
Classification of degrees
IP54
Generator 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
Installation
Horizontal
Various Types You Can Select
RATED POWER
RATED SPEED
RATED VOLTAGE
FREQUENCY
0.5KW
20rpm~400rpm
12V~220Vac
10Hz~60Hz
1KW
20rpm~600rpm
12V~220Vac
10Hz~60Hz
2KW
20rpm~1000rpm
12V~400Vac
10Hz~60Hz
3KW
20rpm~1500rpm
48V~690Vac
10Hz~60Hz
5KW
20rpm~1500rpm
48V~690Vac
10Hz~60Hz
10KW
20rpm~1500rpm
120V~690Vac
10Hz~60Hz
15KW
20rpm~3000rpm
120V~690Vac
10Hz~60Hz
20KW
20rpm~3000rpm
120V~690Vac
10Hz~60Hz
25KW
20rpm~3000rpm
120V~1140Vac
10Hz~60Hz
30KW
20rpm~3000rpm
120V~1140Vac
10Hz~60Hz
50KW
20rpm~3000rpm
220V~1140Vac
10Hz~60Hz
80KW
20rpm~3000rpm
220V~1140Vac
10Hz~60Hz
100KW
20rpm~3000rpm
220V~1140Vac
10Hz~60Hz
150KW
20rpm~3000rpm
380V~1140Vac
10Hz~60Hz
200KW
20rpm~3000rpm
380V~1140Vac
10Hz~60Hz
250KW
20rpm~3000rpm
380V~1140Vac
10Hz~60Hz
300KW
20rpm~3000rpm
380V~1140Vac
10Hz~60Hz
500KW
20rpm~3000rpm
380V~1140Vac
10Hz~60Hz
700KW
20rpm~3000rpm
690V~1140Vac
10Hz~60Hz
800KW
20rpm~3000rpm
690V~1140Vac
10Hz~60Hz
1MW
200rpm~3000rpm
690V~1140Vac
10Hz~60Hz
2MW
200rpm~3000rpm
690V~1140Vac
10Hz~60Hz
3MW
200rpm~3000rpm
690V~1140Vac
10Hz~60Hz
4MW
600rpm~3000rpm
690V~1140Vac
10Hz~60Hz
5MW
600rpm~3000rpm
690V~1140Vac
10Hz~60Hz
Various Generators
Our Cases
Package & Delivery
Our Factory
See What Customers Say
Frequently Asked Questions
What applications are these permanent magnet generators suitable for?
They are widely used in wind power generation, hydropower generation, ocean energy harvesting, marine auxiliary power, diesel backup generator sets, aviation systems, hand-crank emergency units, and other custom electrical generation setups.
What aspects of the generator can be customized?
As a manufacturer with our own factory, we provide extensive customization options tailored to specific needs, including rated voltage (48V to 1140Vac), speed (20 to 3000 rpm), power (0.5 to 5500KW), frequency (50/60Hz), and mechanical installation configurations.
What are the advantages of a direct-drive generator?
Direct-drive permanent magnet generators require no gearbox. This design eliminates mechanical gears, enabling high-torque generation at low rotor speeds, maximizing system efficiency, eliminating oil change requirements, and reducing general maintenance costs.
What key materials are used in your permanent magnet generators?
We use high-performance NdFeB (Neodymium Iron Boron) rare earth permanent magnets, 100% pure copper windings, a cast iron shell, a high-strength steel shaft, a cold-rolled silicon steel sheet iron core, and premium SKF brand bearings to ensure optimal operation.
What is the lifespan and continuous operation capability of these generators?
These generators are built for a long operational service life exceeding 20 years. They are designed to operate continuously under load 24 hours a day, 7 days a week, even at high rated operating speeds.
What are the thermal insulation limits and protection ratings?
The generator winding uses Class H insulation, which can withstand maximum temperatures up to 180°C. The permanent magnet temperature level allows operation up to a limit of 120°C. The housing features an IP54 ingress protection rating, making it suitable for tough environments.
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