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China Wind Turbine On-grid Converter Factory - Reliable Suppliers for Large Power Solutions

The Convertor is a critical component in wind generator systems, known for its advanced technology and effectiveness. This device is compatible with both permanent magnet synchronous and asynchronous generators. It efficiently converts the unstable AC current generated by wind turbines into stable DC power, which is then transformed back into AC power. This process ensures stable control of frequency and voltage at varying wind speeds without impacting the grid, offering superior fault ride-through capability and excellent adaptability to grid conditions, The small wind turbine grid-connected system typically includes a wind turbine, rectifier, electronic dump load, and a grid-connected inverter. Wind energy is transformed into alternating current (AC) with fluctuating amplitude and frequency through the turbine. The controller then converts this variable AC into DC current, which is subsequently converted back to a consistent sine wave AC current by the grid-connected inverter, matching the grid's frequency and phase for seamless integration, The grid-connected inverter serves as the heart of the wind turbine grid-connected system. It utilizes a powerful U.S. TI's 32-bit DSP chip for precise control, coupled with Japan's cutting-edge IGBT intelligent power module technology. By employing active current-controlled PWM inverter technology, our product dramatically enhances power supply reliability, protection features, and power factor efficiency. The result is a harmonic pollution-free power supply with optimal performance, As a leading manufacturer in the wind energy sector, our factory in China is committed to providing high-quality products that meet global standards. We pride ourselves on being a trusted supplier for those seeking reliable wind energy solutions

    Leading Feature

    1. MPPT (Power Curve Tracking) Technology
    2. Over 97.5% Max. Efficiency
    3. LCD Touch Screen Display
    4. RS485, WIFI/GPRS Monitoring App Available (Optional)
    5. IGBT from Mitsubishi
    6. Disturbance Detection Technology, Isolated Island Control
    7. Compact & Light Design for One-Person Easy Installation
    8. Pure Sine Wave Output, No Pollution & Impact to the Grid
    9. Dry Contact, Disconnect Generator for Protection and Recovery Automatically

    Product Parameters

    Model GWI-200KTL GWI-300KTL GWI-400KTL GWI-500KTL GWI-600KTL
    Rated power 200KW 300KW 400KW 500KW 600KW
    Max. AC Output Power 220KW 330KW 440KW 550KW 660 KW
    Circuit method IGBT/PWM (Pulse Width Modulation mode)
    Rated AC Input Power 200KW 300KW 400KW 500KW 600 KW
    Generator Rated Voltage 600-690Vac
    Range Of AC Input Voltage Of Generator 460-750Vac
    Max. Efficiency 97%
    Rated Output Voltage 380 Vac
    Rated Output Frequency 50Hz/60Hz
    Available Grid Voltage Range (Three Phase) 350-450Vac 310Vac-450Vac
    Available Grid Frequency Range 50Hz±1%/ 60Hz±1%
    Total Current Waveform Distortion Rate <3%
    Power Factor ≥0.99
    Power Consumption At Night <100W
    Communication Interface Ethernet network/RS485/RS232
    Electrical Insulation Performance 1500Vac, 1 minute
    Operating Environment Temperature -25~+55℃
    Operating Environment Humidity 0~90%,No condensation
    Protection Input under voltage, over voltage, reverse connection, output over current, short circuit, overheating, etc
    Cooling Method Fan Cooling
    Noise (Horizontal Distance 1 m) <40dB
    Protection Class IP25(indoor)
    Size(mm) 1200*1000*1900 1200*1000*2060 1200*1000*2060 1200*1000*2060 1200*1000*2060
    Model GWI-800KTL GWI-1000KTL GWI-1500KTL GWI-2000KTL GWI-3000KTL
    Rated Power 800KW 1000KW 1500KW 2000KW 3000KW
    Max. Ac Output Power 880KW 1100KW 1650KW 2200KW 3250KW
    Circuit Method IGBT/PWM (Pulse Width Modulation mode)
    Rated Ac Input Power 800KW 1000 KW 1500KW 2000KW 3000KW
    Generator Rated Voltage 600Vac - 690Vac
    Range Of Ac Input Voltage Of Generator 460-750Vac
    Max. Efficiency 97%
    Rated Output Voltage 380 Vac
    Rated Output Frequency 50Hz/ 60Hz
    Available Grid Voltage Range (Three Phase) 310Vac-450Vac
    Available Grid Frequency Range 50Hz±1%/ 60Hz±1%
    Total Current Waveform Distortion Rate <3%
    Power Factor ≥0.99
    Power Consumption At Night <100W
    Communication Interface Ethernet/RS485/RS232
    Electrical Insulation Performance 1500Vac, 1 minute
    Operating Environment Temperature -25~+55℃
    Operating Environment Humidity 0~90%,No condensation
    Protection Input under voltage, over voltage, reverse connection, output over current, short circuit, overheating, etc
    Cooling Method Fan Cooling
    Noise (Horizontal Distance 1 m) <40dB
    Protection Class IP25
    Size (mm) 2000*1000*2060 2000*1000*2060 3000*1000*2060 4000*1000*2060 5000*1000*2060

    System Solution

    System-Solution

    Product Display

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    Product-Display6

    Frequently Asked Questions (FAQ)

    What is the maximum efficiency of the GWI series inverters?

    The GWI series features high-performance MPPT technology and achieves a maximum efficiency of over 97.5%.

    Does the system support remote monitoring?

    Yes. The inverters come with RS485 and Ethernet/RS232 communication interfaces, with optional WIFI/GPRS monitoring applications available for real-time tracking.

    What safety and protection features are integrated?

    The system features comprehensive protection mechanisms, including input under-voltage, over-voltage, reverse connection, output over-current, short circuit, and overheating protections, along with isolated island control.

    Can this inverter be installed outdoors?

    The inverter has a protection class rating of IP25, which is designed primarily for indoor installations. It operates within a temperature range of -25℃ to +55℃.

    What type of output wave does the inverter generate?

    It delivers a pure sine wave output with a total current waveform distortion rate of less than 3% (<3%), ensuring no pollution or negative impact on the power grid.

    How does the dry contact feature work?

    The integrated dry contact is designed to automatically disconnect the generator for system protection and recover operations automatically once safe conditions are restored.

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