70KW Free Energy Generator with 50Hz Frequency Permanent Magnet Generator for Wind and Hydro Turbines

Product Description

Permanent Magnet Generator

Permanent Magnet Generator Application Areas

Highly versatile power generation solutions applicable across diverse sectors:

Wind Power Hydropower Ocean Energy Marine & Ships Diesel Generators Aviation Hand-Crank Generators

Wind Power Generation

  • Especially suitable for direct-drive wind turbines.
  • No gearbox required, capable of low rotor speeds and high torque.
  • Ideal 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.
  • Fully compatible with axial-flow and Francis-flow turbines.
  • Compact and highly efficient design, making them perfect for remote areas.

Key Advantages

Generator Features
No. Features & Customized Services
1 Customized: Voltage, Speed, Power, Frequency, etc.
2 Direct Drive, no gear-box required
3 Rare earth Nd-Fe-B (Neodymium) permanent magnets
4 Long life time >20 years, capable of running at high speed 24/7.
5 Power factor close to 1
6 Maintenance free, suitable for all environmental conditions.

Technical Specifications

We provide customized generators according to specific requirements for Voltage, Speed, Power, Frequency, etc.

Rated Power 0.5-5500KW
Rated Rotate Speed 20-3000 rpm
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℃
Winding Temperature Level Max. 180℃
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 Available

Type Selection Map
Rated Power Rated Speed Rated Voltage Frequency
0.5KW20rpm~400rpm12V~220Vac10Hz~60Hz
1KW20rpm~600rpm12V~220Vac10Hz~60Hz
2KW20rpm~1000rpm12V~400Vac10Hz~60Hz
3KW20rpm~1500rpm48V~690Vac10Hz~60Hz
5KW20rpm~1500rpm48V~690Vac10Hz~60Hz
10KW20rpm~1500rpm120V~690Vac10Hz~60Hz
15KW20rpm~3000rpm120V~690Vac10Hz~60Hz
20KW20rpm~3000rpm120V~690Vac10Hz~60Hz
25KW20rpm~3000rpm120V~1140Vac10Hz~60Hz
30KW20rpm~3000rpm120V~1140Vac10Hz~60Hz
50KW20rpm~3000rpm220V~1140Vac10Hz~60Hz
80KW20rpm~3000rpm220V~1140Vac10Hz~60Hz
100KW20rpm~3000rpm220V~1140Vac10Hz~60Hz
150KW20rpm~3000rpm380V~1140Vac10Hz~60Hz
200KW20rpm~3000rpm380V~1140Vac10Hz~60Hz
250KW20rpm~3000rpm380V~1140Vac10Hz~60Hz
300KW20rpm~3000rpm380V~1140Vac10Hz~60Hz
500KW20rpm~3000rpm380V~1140Vac10Hz~60Hz
700KW20rpm~3000rpm690V~1140Vac10Hz~60Hz
800KW20rpm~3000rpm690V~1140Vac10Hz~60Hz
1MW200rpm~3000rpm690V~1140Vac10Hz~60Hz
2MW200rpm~3000rpm690V~1140Vac10Hz~60Hz
3MW200rpm~3000rpm690V~1140Vac10Hz~60Hz
4MW600rpm~3000rpm690V~1140Vac10Hz~60Hz
5MW600rpm~3000rpm690V~1140Vac10Hz~60Hz

Product Gallery

Various Generator Types

Project Cases

Project Case 1 Project Case 2 Project Case 3 Project Case 4

Package & Delivery

Packaging Details

Factory Overview

Factory Workshop 1 Factory Workshop 2 Factory Assembly Factory Equipment

Customer Reviews

Customer Feedback Summary

Frequently Asked Questions (FAQ)

1. What are the custom options available for these generators?
We offer full customization for Voltage, Speed, Power, Frequency, and other structural options to meet specific application requirements across wind, hydro, and diesel setups.
2. Why is direct-drive wind turbine capability beneficial?
Direct-drive configurations eliminate the need for a gearbox. This enables low-speed operation, achieves high torque, increases reliability, and significantly reduces maintenance requirements.
3. What high-performance materials are used in manufacturing?
Our generators feature rare earth NdFeB permanent magnets, 100% copper windings, a high-quality steel shaft, a cold-rolled silicon steel sheet iron core, and premium SKF bearings inside a cast iron shell.
4. What is the efficiency rating of these permanent magnet generators?
These generators have an efficiency rating exceeding 95% with a power factor close to 1, ensuring maximum energy conversion and minimal power losses.
5. What environments are these generators suitable for?
With an IP54 classification grade and class H insulation, these generators are maintenance-free and can run reliably in all environments (including marine and remote areas) 24/7.
6. What is the expected lifespan of these generators?
Constructed with high-grade industrial materials and a direct-drive structure, our permanent magnet generators offer an expected operational lifespan of over 20 years.

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