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美國MTS/Wind Turbine Blade Fatigue Test Solutions

Apply single- and dual-axis cyclic loading to full-scale wind turbine blades and sub-components at resonant frequencies to meet fatigue-testing demands of International Electrotechnical Commission (IEC) Technical Specification 61400-23. The MTS offering includes two complementary solutions: the fast, powerful Ground-coupled Resonance Excitation (GREX) System, and the flexible, efficient Inertial Resonance Excitation (IREX) System.
  • GREX_bullet

    Diagram
    1. Reaction Block
    2. Hydraulic Service Manifold
    3. Ground Resonance Excitation (GREX) System
    4. Wind Turbine Blade Specimen
    5. Loading Fixture
    GREX 50 Standard Specifications
    Force capacity 50 kN
    Actuator Length 5.67 m at mid-stroke
    Stroke 1.75 m
    Velocity 2.5 m/sec (@25kN force)
    Servovalve 450 lpm
    Special Options
    Extension Tube Up to 3m extension
    Hydraulic System 260 lpm (minimum recommended)
    Accumulation required 75 L Pressure / 37.75 L Return (recommended)