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Horizontal 20rpm SKF Bearing Permanent Magnet Alternator

Certification
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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Horizontal 20rpm SKF Bearing Permanent Magnet Alternator

Horizontal 20rpm SKF Bearing Permanent Magnet Alternator
Horizontal 20rpm SKF Bearing Permanent Magnet Alternator Horizontal 20rpm SKF Bearing Permanent Magnet Alternator

Large Image :  Horizontal 20rpm SKF Bearing Permanent Magnet Alternator

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, MoneyGram
Supply Ability: 400 sets per month
Detailed Product Description
Rated Power: 50kW Rated Rotate Speed: 20rpm-3000rpm
Winding Material: 100% Copper Shaft Material: Steel
Generator Material: Aluminium Body+Cooper Wire Bearing: SKF Bearing
Installation: Horizontal / Vertical Wending Method: Star/Y
High Light:

SKF Bearing Permanent Magnet Alternator

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20rpm Permanent Magnet Alternator

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Horizontal Permanent Magnet Alternator

20rpm-3000rpm SKF bearing permanent magnet alternator

 

Permanent magnet alternator
 
Permanent magnet alternators are usually used to generate electricity. The automotive alternator converted to permanent magnet type is used for household wind generators, hydroelectric power generation and self-made backup generators. Common automotive alternators use electromagnet-driven rotors to turn the alternator on and off. Permanent magnet alternators have permanent magnets instead of rotor cores wound by electromagnetic wires.
 
The reason why cars use an electromagnetic rotor core is because they can use it to control the output of the alternator. The use of a voltage regulator can control the voltage sent to the electromagnetic rotor core. With a permanent magnet alternator, you will not be able to control the output of the alternator, because it does not have a voltage stabilizer or solenoid winding core to control the alternator.
 
The control of a permanent magnet alternator is usually done by changing the speed of the alternator. With a permanent magnet alternator, the faster the alternator rotates, the more power the alternator generates.
 
What are the advantages of permanent magnet alternators in wind energy applications?
 
Direct drive (no speed increaser, no gearbox required)
No maintenance
Highest power-to-weight ratio in direct drive
high efficiency
Simplify mechanical design
Simple mechanical interface
Cost optimization
Wind turbines are usually equipped with asynchronous generators that need to double the speed of the rotor in order to generate the desired electrical power. Compared with asynchronous generators, permanent magnet alternators are very compact, and because the rotor is directly driven, mechanical integration can be simplified. The efficiency of permanent magnet synchronous alternators is higher than that of asynchronous generators.
 
The application of wind turbines is growing-the cost of generating 1 kW per hour of wind energy is the cheapest renewable energy source

 

Technical Data
 
Drawing Sample

 

 

Horizontal 20rpm SKF Bearing Permanent Magnet Alternator 0

Features of 50kw permanent magnet generator
 
Low startup speed;
Low torque
Gearless, direct drive, low-speed generator.
Suitable for all environments
Excellent heat dissipation
High-quality bearings and magnets are easy to dissipate heat and maintain magnetism.
The designed service life is 20 years.
 
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

Contact Details
Qingdao Greef New Energy Equipment Co., Ltd

Contact Person: sales

Tel: +8619861460778

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