inquiry
Leave Your Message
Products Categories
Featured Products

0.5-5000kW Low Speed Permanent Magnet Generator from China Suppliers - Reliable Factory Solution for Energy Systems

,

The Permanent Magnet Generator (PMG) is an advanced, high-efficiency electrical machine designed to efficiently convert mechanical energy into electrical energy. Unlike traditional generators, PMGs are capable of generating electricity at various rotational speeds, with output power, voltage, and frequency being dynamically adjusted based on RPM. This feature ensures optimal energy production in a wide range of operating conditions, making PMGs particularly suitable for renewable energy applications.
, Manufactured in China, our PMGs utilize innovative direct-drive, gearless technology, eliminating the need for mechanical gearboxes. This design not only minimizes maintenance costs and energy losses but also enhances reliability. As a leading supplier with a state-of-the-art factory, we deliver effective energy solutions that integrate seamlessly with advanced wind turbines, hydro turbines, and various energy systems, making them ideal for distributed utility grids and specific applications.

,

    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. Features & 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

    Low-Speed-Low-RPM-Permanent-Magnet-Generator5
    Low-Speed-Low-RPM-Permanent-Magnet-Generator6
    Low-Speed-Low-RPM-Permanent-Magnet-Generator3
    Low-Speed-Low-RPM-Permanent-Magnet-Generator4
    Low-Speed-Low-RPM-Permanent-Magnet-Generator1
    Low-Speed-Low-RPM-Permanent-Magnet-Generator2
    Frequently Asked Questions
    What are the primary advantages of GREEF Permanent Magnet Generators?
    Key advantages include high efficiency (minimizing energy conversion losses), low maintenance due to a gearless design, and high adaptability across a wide RPM range. They also feature NdFeB permanent magnets and class H insulation.
    What applications are these generators suitable for?
    GREEF Permanent Magnet Generators are widely used in wind turbines, hydro turbines, motors, and other off-grid and on-grid power generation systems.
    Can I request customized parameters for my generator?
    Yes, GREEF specializes in customization. You can request specific parameters including Voltage, Speed, Power, Frequency, and other physical requirements to suit your project.
    What is the expected lifetime of GREEF generators?
    These generators have a long lifetime exceeding 20 years. They are designed to run continuously at high speed 24 hours a day, 365 days a year.
    What materials are used in the construction of the generator?
    The generators utilize rare earth Nd-Fe-B permanent magnets, 100% copper windings, a cast iron shell, a steel shaft, cold-rolled silicon steel sheet iron core, and high-quality SKF bearings.
    Does GREEF provide complete system solutions?
    Yes, the GREEF Technical Team can provide complete on-grid and off-grid solutions specifically designed for projects utilizing our permanent magnet generators, customized to specific requirements.
    cpbj

    Get in touch

    We're Ready To Assist You Anytime