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5-30kW Wind Off-Grid Controller from China Suppliers | Advanced Technology Factory for Efficient Energy Management

The GREEF Off-grid Controller is a crucial component in wind generator systems, designed to convert three-phase AC current from wind turbines into efficient DC current for battery charging. As a leading supplier in China, our off-grid controller enhances electricity production through advanced MPPT technology and features innovations like modular design, electrical isolation, PWM unloading, and host computer control. This product includes a user-friendly large touchscreen and IoT functionality, ensuring efficient, safe, and intelligent power generation. With our dedicated factory production, you can trust GREEF to provide exceptional operational and maintenance management solutions for your renewable energy needs

    Product Features

    Power tracking
    wind energy MPPT, 98% engagement with actual wind energy output curve, power generation enhancement.
    Customized development of wind energy-specific power absorption circuit
    • Modularized power absorption circuit, hot-swappable, easy maintenance.
    • Input and output electrical isolation, protect the back-end load.
    • High efficiency at low wind speed, wide input voltage range.
    • Saturation mode, matching load power output.
    PWM unloading
    • Fan self-powered mode, fast response.
    • Limit speed and torque to ensure the safe operation of the wind turbine.
    • Soft unloading adjustment, reduce the burden of fan output.
    Upper computer trusted control
    RS485 Modbus RTU, real-time regulation of voltage and current.
    Touch screen
    • Display voltage, current, power, power generation, operation status, etc., with alarm query.
    • Historical data, alarm information date query.
    • On-site adjustment of parameters.
    Safety protection
    over-voltage, over-current, anti-reverse connection, short circuit protection.
    IOT function
    • Wired network, APP remote view and control.
    • Remote data export.

    Product Parameter

    Model AHCC-5KW AHCC-10KW AHCC-20KW AHCC-30KW
    Rated power 5KW 10KW 20KW 30KW
    Product Type MPPT, high frequency isolated new energy converter
    DC output side
    Type of energy storage Lead-acid batteries, lithium batteries, DC bus bars, etc.
    Rated output current 100A 200A 80A 150A
    Output Voltage Range 42-240Vdc (parameters adjustable depending on type of energy storage) 200-1000Vdc (parameters adjustable depending on type of energy storage)
    Voltage stabilization accuracy ≤±0.5%
    Stabilization accuracy ≤±1%
    Wind turbine input side
    Rated voltage 48Vac-380Vac 380 Vac
    Maximum withstand voltage 290Vac-530Vac for 5 seconds 600Vac for 5 seconds
    MPPT voltage range 90~520V customized 220~530Vac
    Maximum power 10kW 20kW 40kW 60KW
    Rated Input Current 40Aac 80Aac 40Aac 80Aac
    Input protection Fuses; lightning protection circuits
    Unloading side
    Unloading method PWM
    Rated unloading current 40Adc 100Adc 50Adc 100Adc
    Maximum withstand current 60A 200A 200A 400A
    Working environment conditions
    Ambient temperature -25℃~50℃
    Storage temperature -40℃~75℃
    Relative humidity 0 to 95%
    Height above sea level 3000m full load output
    Communication interface Standard: RS485/TCP
    Size of the controller (mm) 485×267×450mm 485×267×450mm 343×605×970mm 343 x 605 x 970mm
    Controller Weight 29.5kg 38.5kg 61.5Kg 71.5Kg
    Size of the Dump load (mm) 695×131×194mm 700×450×750mm 820×620×900mm 900 x 700 x 1270mm
    Dump load Weight 18kg 40kg 80kg 120Kg

    Application

    3.High-end three-dimensional flexible robotic cutting applications, to achieve bevel cutting function, the pipe and the torch using the servo positioning function .

    Can cut carbon steel, stainless steel, copper, aluminum and other pipes and profiles, such as: the tube, pipe, oval pipe, rectangular pipe, H-beam, I-beam, angle, channel, etc. The device is widely used in various kind of pipes profile processing field, shipbuilding industry, network structure, steel, marine engineering, oil pipelines and other industries.

    Our company can customize wind power systems, including: off-grid, grid-connected and hybrid modes, according to your needs to customize the most suitable system for you.

    System Solution

    System-Solution

    Product Display

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    System-Solution2

    Frequently Asked Questions

    What are the main advantages of your wind energy MPPT power tracking?
    Our wind energy MPPT features a 98% engagement rate with the actual wind energy output curve, which significantly enhances overall power generation efficiency.
    What types of energy storage systems are compatible with the controller?
    The controller is highly versatile and supports various energy storage types, including lead-acid batteries, lithium batteries, DC bus bars, and other customized setups.
    How does the PWM unloading function protect the wind turbine?
    It utilizes a fan self-powered mode with fast response. By limiting turbine speed and torque, and utilizing soft unloading adjustments, it reduces the burden on the fan output to ensure safe operation.
    Does the system support remote monitoring and IOT features?
    Yes, it features IOT functionality including wired network connection, remote data export, and APP remote viewing and control. It also supports RS485 Modbus RTU for real-time regulation.
    Can parameters be adjusted on-site?
    Yes, the integrated touch screen allows for on-site adjustment of parameters, real-time monitoring of voltage, current, power, and historical data/alarm query.
    Can you customize wind power systems for grid-connected or off-grid modes?
    Yes, we can customize wind power systems to match your exact needs, including off-grid, grid-connected, and hybrid system modes.
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