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0.5-5000kW-Low-Speed-Low-RPM-Permanent-Magnet-Generator1.jpg
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China Permanent Magnet Generator Suppliers & Factory - 0.5-5000kW Low Speed Low RPM Efficient Energy Solutions

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The Permanent Magnet Generator (PMG) is a highly efficient electrical machine designed to convert mechanical energy into electrical energy with exceptional performance. Unlike traditional generators, PMGs are capable of generating electricity at any rotational speed, dynamically adjusting output power, voltage, and frequency based on RPM. This adaptability ensures optimal energy production in diverse operating conditions, making PMGs a perfect choice for renewable energy applications.

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Manufactured in China, our PMGs feature innovative direct-drive, gearless technology that eliminates the need for mechanical gearboxes. This not only reduces maintenance costs and energy losses but also significantly enhances reliability. As trusted suppliers and factory experts, we provide PMGs that deliver effective energy solutions directly to distributed utility grids and targeted applications. They easily integrate with advanced wind turbines, hydro turbines, and various other energy systems to meet the increasing demand for sustainable energy sources.

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    Product Details

    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

    No. Feature Description
    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.

    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.

    System-Solution1
    System-Solution2

    Product Display

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    Low-Speed-Low-RPM-Permanent-Magnet-Generator2

    Frequently Asked Questions (FAQ)

    What are the main advantages of GREEF Permanent Magnet Generators?
    GREEF Permanent Magnet Generators (PMGs) feature high efficiency by minimizing energy conversion losses, a gearless design for low maintenance and extended lifespan, and excellent adaptability across a wide RPM range. They are built with rare earth Nd-Fe-B permanent magnets and support Class H insulation.
    What applications are these generators suitable for?
    These generators are widely used in Wind Turbines, Hydro Turbines, electric motors, and general power generation systems. They are highly suitable for both on-grid and off-grid power solutions in industrial, community, and remote locations.
    Can GREEF customize the generator parameters?
    Yes, GREEF provides fully customized generator solutions tailored to specific customer requirements. Customization options include Voltage, Speed, Power, Frequency, and dimensions to match your project specifications.
    What is the expected lifespan and operational duration of the generator?
    The generators are designed for a long service life exceeding 20 years. They are engineered to run reliably at high speeds 24 hours a day, 365 days a year under various environmental conditions.
    Does GREEF provide complete on-grid and off-grid system solutions?
    Yes, GREEF has a dedicated technical team that provides comprehensive technical support and complete on-grid and off-grid system designs. All auxiliary equipment can be produced and configured according to your specific project needs.
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