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Low Speed Low RPM Permanent Magnet Generator 0.5-5000kW - Reliable China Suppliers & Factory Solutions
Key advantages include:
High efficiency
Minimizes energy conversion losses for maximum output.
Low maintenance
Gearless design reduces wear and tear, extending lifespan.
Adaptability
Operates efficiently across a wide RPM range, ideal for fluctuating wind or water flow conditions.
Perfect for off-grid and on-grid power generation, PMGs provide a sustainable and scalable energy solution for industries, communities, and remote locations.
Application
Permanent Magnet Generators are used in a large number of applications such as Wind Turbines, Hydro Turbines, motors and others.
Advantages
1 |
Rare earth Nd-Fe-B permanent magnets |
2 |
Low Speed |
3 |
Direct Drive ,no use gear-box |
4 |
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 |
Parameters
Permanent Magnet Generator
GREEF Company provide customized generator according to each customer 's requirements of Voltage, Speed, Power, Frequency etc.
GREEF Company provide customized generator according to each customer 's requirements of Voltage, Speed, Power, Frequency etc.
| 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 |
|
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 |
20KW |
20rpm~3000rpm |
120V~690Vac |
10Hz~60Hz |
4MW |
600rpm~3000rpm |
690V~1140Vac |
10Hz~60Hz |
5MW |
600rpm~3000rpm |
690V~1140Vac |
10Hz~60Hz |
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.
Product Display
Frequently Asked Questions
What are the primary advantages of GREEF Permanent Magnet Generators?
GREEF Permanent Magnet Generators offer high efficiency with minimal energy conversion loss, a low maintenance gearless direct-drive design that extends lifespan, and excellent adaptability across a wide RPM range.
What typical applications are these generators used for?
They are widely applied in Wind Turbines, Hydro Turbines, motors, and other off-grid and on-grid power generation systems.
Can the specifications of the generators be customized?
Yes, GREEF specializes in customizing parameters such as voltage, speed, power, and frequency to meet the specific requirements of each project.
What is the insulation class and expected lifespan of the generator?
The generators use Class H insulation with vacuum pressure impregnation. They feature a long design lifetime of over 20 years, capable of running at high speed 24 hours a day, 365 days a year.
Does GREEF provide complete system solutions?
Yes, GREEF's technical team can design and supply complete on-grid and off-grid system solutions tailored to your specific application requirements.
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