Aalborg University

Facility Specifications

  • The Center of Reliable Power Electronics (Corpe) provides test facilities for testing the lifetime and ruggedness of power electronics components and systems for wind turbines.

    AAU: Corpe

  • Mechanical and Manufacturing Engineering

-         Mechanical testing facilities: Tests of various materials (polymers, fibre composites and metals). Basic properties of the materials (elastic properties, strength, endurance limits etc.) but also more special properties i.e. fracture resistance, damage zone sizes etc. can be can measured.

-         Thermal testing facilities:  Measuring thermal properties of metal, polymers and fibre composites (i.e. heat capacity, heat transfer coefficient, thermal expansion, elastic and damping properties, Tg, etc.). The equipment can be used to study the effect from wind turbine blade manufacturing processes on the mechanical performance of blade material.

-          Ballistic laboratory: Studying the failure event from ballistic impact. Leading edge erosion of wind turbine blades (studies on hail and rain-drop impact fatigue).

-         Spectroscopy and microscopy laboratory facilities:  SEM, Raman and Fourier transformed infrared spectroscopes for examining e.g. the structural composition and the polymerization and curing kinetics of thermoplastics and thermosets.

  • Energy Technology, Aalborg University

-          Full scale digital fluid power systems for testing hydraulic pitch solutions

-         6 dof wind load simulator for HALT testing of wind turbine nacelles (1:3 demonstrator)

-         Real-Time Control Hardware-In-the-Loop system (based on Opal-RT) for assessment of large scale grid integration of wind power.

-         The Medium-Voltage Laboratory has state-of-the-art facilities unique in Denmark, which allow the testing of equipment up to 20kV/2MVA in a safe and controlled environment. Among others it is possible to test power converters, circuit breakers, transformers or insulations.
The main use of the new MV laboratory will be for testing the power electronic converters for future, large wind turbines having internally rated voltage above 1 kV.

-         The High Voltage Laboratory has state-of-the-art equipment for testing of materials and the study of different HV phenomena. The high number of MWB HV modules allows designing high-level detailed setups that can be used for experiments with fundamental HV theories. The HV laboratory also has an 800kV impulse generator for testing with both lightning and switching impulses.

-         The Power Module Package Laboratory. Prototyping of power modules of megawatt power converters. Possible to work with power modules up to medium Voltages (10kV).

-         Power module test systems: Triple Pulse Tester. Power Cycling Test.

-         Power converter test systems: 1.2 MVA Low Voltage Converter Power Stack Test Platform, with galvanic separation between DUT and load converter.

-         Non-Destructive Testing of Power Modules. Power modules can be tested under severe conditions in a non-destructive way, hence avoiding explosion and allowing post-failure analyses.

  • Dep. of Civil Engineering

-          Hydraulics and Coastal Engineering Laboratory

-         3D Wave basins (deep and shallow)

-         Wave flumes (deep and shallow)

-         Wave gauges with corresponding amplifiers

-         Strain gauge amplifiers and data acquisition systems

-         Laser profiler

-         Step gauge system

-          Geotechnical laboratory

-         Geotechnical classification experiments

-         Consolidation and triaxial experiments

-         Test setup with pressure tank for offshore measurements

-         Experiments with bucket foundations and monopiles

-         Geological classification

-          Structural research laboratory

-         600 kN hydraulic universal testing machine with electronic control

-         500 kN, 250kN and 25kN dynamic loading frame with electronic control for performing fatigue and fracture mechanics tests

-         400 kN tensile testing machine for testing timber

-         250 kN testing machine for testing up to 3.8 m long laterally loaded columns (up to 50 kN in lateral load)

-         200 kN bending test machine for testing 4 m long beams

-         50 kN dynamic loading frame for performing fatigue and fracture mechanics tests of small test specimens. Frequencies up to 150 Hz

-         Two strong floors

-         A number of actuators for producing static loads (max. 1000 kN) and corresponding load cells for electronic recording of the load

-         2 load cylinders of 63 kN and 250 kN, respectively, with corresponding load cells

-         HYDROPULS plant consisting of hydraulic equipment with cooler, control unit, microcomputer, and valve blocks. The plant facilitates the generation of ordinary deterministic signals and generated data for stochastic analyses.

-         An electro-dynamic vibration table with control system for sinusoidal loads (minor dynamic loads up to 1780 N).

-         Mechanical and electronic (inductive) displacement transducers with measurement amplifiers, mechanical and piezo-electrical accelerometers and strain-gauge equipment for response measurement (displacements, accelerations, strains, etc.).

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