Experiments

  • Conversion of kinetic wind energy into electrical energy
  • Function and design of a stand-alone system  with a wind power plant
  • Energy balance in a wind power plant
  • Determining the power coefficient as a function of tip speed ratio
  • Determining the efficiency of a wind power plant

Specifications

  • Converting kinetic wind energy into electrical energy
  • Laboratory-scale wind power plant, stand-alone operation
  • Axial fan with continuously variable speed as a wind source (wind velocity)
  • Accumulator for storing the electrical energy
  • Generator for converting the kinetic energy into electrical energy attached with the blades make a whole wind turbine
  • Bulbs as electrical load (consumers)
  • Measurement of wind velocity in front of the rotor, rotational speed of the rotor, current and voltage
  • Digital displays for the measured values

Studying the transformation of kinetic wind energy into electrical energy is done with this trainer. A control unit and a wind source make up the experimental plant. An axial fan and a laboratory-scale wind power unit are both present in this experimental unit. The two main components of a wind power plant are a generator and a rotor. The electrical consumers, electrical energy storage components, and axial fan control elements are all part of the control unit. The air flow necessary to rotate the wind power plant’s rotor is produced by the axial fan. The kinetic energy of the rotor is transformed into electrical energy via a generator. A stand-alone system that is unconnected to the main grid receives the electrical energy. The intermediate electrical energy storage in an accumulator is provided by a charge controller. An electrical load can be employed to utilize the electrical energy. Incandescent load is available for use as consumers. Connecting an external consumer (like a heater/fan) is also available. Feeding into a public power system is not provided. Variations in the fan’s rotating speed alter the wind velocity. The wind velocity in front of the rotor, the rotor speed, voltage, and current are all measured.