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  • SYSTEM CHARACTERISTIC

    • Multiple certifications such as SWCC, lEC61400, CE, etc.

    • Low-speed permanent magnet generator, direct drive gearless transmission design.

    • Active pitch control technology ensures output power stability in strong wind.

    • Multiple safety protection for mechanical, electromagnetic brakes and active yawing.

    • Full-power inverter in power frequency isolation technology with multinational grid-tiecertification.

    • SCADA remote real-time monitoring system.

    • Suitable for small wind farms, smart grids, microgrid systems, etc

     

    TECHNICAL PARAMETER

    Manufacturer Xiamen Lianbang Technology Co.,LTD
    Country of origin China
    Parameter Specs
    Model LB25-100
    Design class SWT Class IIIA
    Type Permanent magnet direct drive,three blade,horizontal axis,upwind
    Design life 20 years
    Rotor diameter 25m
    Tower height 30m
    Tower type tubular column
    Performance
    Rated power 100KW, 400 VAC, 50Hz/60Hz, 3-phase 3-line
    Power regulation Pitch control
    Rated rotation speed 52rpm
    Max rotation speed 62rpm
    Cut-in wind speed 3m/s
    Rated wind speed 11m/s
    Cut-out wind speed 25m/s
    Survival wind speed 52.5m/s
    Weight
    Blade 3*540 kg
    Nacelle&generator 9700 kg
    Tower 21000 kg
    Brake system
    Aerodynamic braking Active pitch control
    Mechanical braking Mechanical principal-axis brake
    Electromagnetic braking Electronic dumpload control
    Yawing &untwisting
    Yawing mode Electric
    Untwisting mode Auto untwisting
    Control system
    Control system Industrial PLC controller
    Inverter type Full-power inverter,power frequency transformer isolation
    Monitoring SCADA Cube 2.0
    Generator
    Generator type Permanent magnet
    Drive mode Direct drive (gearless box)
    Rated voltage 400VAC
    Insulation grade F class
    Blade
    Blade material Glass fiber(FRP)
    Blade length 11.8 m
    Blade quantity
    Tower
    Surface treatment Anti-rust painting
    Height 42m (24m/30m optional)
    Noise
    Noise level <58dBA
    Auxiliary power supply
    Normal operation ≤2kW
    Standby power demand ≤0.6kW
    PCS standby consumption ≤0.2kW
    Environment temperature
    Operation environment -20℃ to 50℃
    Generator protection class IP54,ISO 12944-2 C5
    Lightening protection Lightning receptors for blade tip connected to earth through loop.Anemometer and wind vane with separate lightning receptors.

     

    SYSTEM CONFIGURATION

    Wind turbine generator system is composed of wind turbine generator, on-grid controller and on-gridinverter.(see the photo)

     

    PERFORMANCE

     

    AWP(m/s) 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
    AEP(MWh) 112.7 157.5 204.8 251.7 295.6 334.5 367.2 393.1 412.3

     

    ON-GRID CONTROLLER

    Control parameter
    Output voltage range 0~750Vdc
    Rated rotation speed 52rpm
    Max controlling rotation speed 62rpm
    Yawing speed 0.55/s
    Yawing accuracy <3.2°
    Environment     parameter
    Working environment -20℃~+50℃
    Storage environment -30℃~+60℃
    Relative humidity <90%RH
    Elevation <1000m

     

    ON-GRID INVERTER

    Model GNW60K3G
    DC input
    Working voltage range 380V    ~680VDC
    Max input voltage 750VDC
    On-grid output
    Rated output power 60kW
    Rated grid voltage 400V±15%3-phase 3-line
    Rated working frequency 50/60Hz±5%
    Power factor (cosθ) >0.99
    Max inverter power ≥94%
    Harmonic(THD) Total  current  harmonic  <5%,     each time<3%(rated power)
    Display &communication
    Display panel LCD
    Communication interface RS485
    System application
    Inverter quantity 2 units
    System rated power 100kW

     

    TOWER  and  FOUNDATION

    Tower model TD1-42 1IA
    Height 42m
    Section 4
    Wall thickness 10mm
    Material Q345
    Flange diameter 1000mm (upper)/2100mm(bottom)
    Surface treatment Hot-dip galvanizing /painting
    Weight 21000kg
    Dimension (reference value) 9mx9mx1m

     

     

    SCADA REMOTE MONITORING

    • Remote monitoring system SCADA CUBE2.0:

    • Data connection interaction via wired/wireless network.

    • Real-time monitoring operating and abnormal condition.

    • Visual operating interface, real-time monitor wind turbinesgenerating power.

    • Generation energy production, meteorological data, WTGs action &waming and historical data queries and data analysis report.


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