Code: NLE-17-0117
Energy Conversion in a wind power station Trainer Model.
7.1 Technical Description of the Trainer
The Energy Conversion in a wind power station trainer must include the following descriptions or functions:
• Able to conversion of kinetic wind energy into electrical energy
• Shall consist different measurements such: wind velocity in front of and behind the rotor, speed of the rotor, voltage and current. function and design of an stand-alone system with a wind turbine
• determining the power coefficient as a function of tip speed ratio
• energy balance in a wind power station
• determining the efficiency of a wind power station
• the trainer shall be able to conduct experiments under real wind conditions, so that a larger wind generator shall be able to be connected to the control panel.
7.2 Technical Specification of Trainer
The trainer must include the following technical specifications:
• trainer for converting kinetic wind energy into electrical energy
• laboratory-scale wind power station, stand-alone operation
• axial fan with continuously variable speed (wind velocity)
• flow straightener for consistent wind conditions
• generator for converting the kinetic energy into electrical energy
• accumulator for storing the electrical energy
• two bulbs as electrical load (consumers)
• measurement of wind velocity in front of and behind the rotor
• measurement of rotational speed of the rotor
• measurement of current and voltage
• digital displays for the measured values
• Software for data acquisition via USB under Windows Vista or Windows 7
• Technical Data:
 Axial fan: max. flow rate: 5m³/s, max. power: 1,5kW
o Rotor: diameter: 510mm
o Generator: max. Output: 60W, voltage: 12VDC, max. charging current: 5A
o Accumulator: voltage: 12VDC, capacity: 8Ah
o Electrical load (bulbs): voltage: 12VDC, power: 55W each
o Measuring ranges: wind velocity: 0,3...50m/s,, speed: 0...3.000min-1, voltage: 0...20VDC, current: 0...35A
o Dimensions and Weight: LxWxH: 2.610x870x1.645mm (experimental section), LxWxH: 1.520x790x1.760mm (control unit), Total weight: approx. 410kg
o Required for Operation: 400V, 50Hz, 3 phases or 230V, 50Hz, 3 phases
o Scope of Delivery:
 1 experimental section
 1 control unit
 1 multimeter
 1 CD with software + USB cable
 1 set of instructional material
7.3 Figurative description of the Trainer System
An equivalent resemblance of the solar thermal energy Trainer system is indicated in Figure 7.
Figure 7: Equivalent figurative description of the Energy Conversion in a wind power station trainer