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wind trubine g

wind trubine g

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1- Conclusions from experience ?

2-Explain the variation of speed with voltage in case of a wind trubine generator.

INTRODUCTION TO RENEWABLE ENERGY (EERE2201) Introducion * Whenever a stationary/rotating conductor lies in varying/stationary magnetic field, a voltage or clectromotive force is induced across the conductor. * If the above conductor is connected to a closed external cireuit, a current will flow through the conductor. EXPERIMENT 5 Plotting the Voltage versus Speed Characteristics of a Wind Turbine Generator Generator for small-scale wind turbines * When the rotor (fitted with permanent magnets) is * The generator consists of a fixed part called as a stator driven at a certain speed by a wind-turbine due to wind, and a rotating part called as a rotor. the rotating magnetic field of the rotor cuts the stationary * The stator consists of a wire-loop (called as stator conductors on the stator. winding). * When the rotor (fitted with permanent magnets) is driven * The rotor consists of a number of permanent magnets at a certain speed by a wind-turbine due to wind, the which produce a magnetic field. rotating magnetic field of the rotor cuts the stationary * The rotor is coupled to a wind turbine (acts as a prime- conductors on the stator. mover) which is driven by a wind (Figure 1).
Transcribed Image Text:INTRODUCTION TO RENEWABLE ENERGY (EERE2201) Introducion * Whenever a stationary/rotating conductor lies in varying/stationary magnetic field, a voltage or clectromotive force is induced across the conductor. * If the above conductor is connected to a closed external cireuit, a current will flow through the conductor. EXPERIMENT 5 Plotting the Voltage versus Speed Characteristics of a Wind Turbine Generator Generator for small-scale wind turbines * When the rotor (fitted with permanent magnets) is * The generator consists of a fixed part called as a stator driven at a certain speed by a wind-turbine due to wind, and a rotating part called as a rotor. the rotating magnetic field of the rotor cuts the stationary * The stator consists of a wire-loop (called as stator conductors on the stator. winding). * When the rotor (fitted with permanent magnets) is driven * The rotor consists of a number of permanent magnets at a certain speed by a wind-turbine due to wind, the which produce a magnetic field. rotating magnetic field of the rotor cuts the stationary * The rotor is coupled to a wind turbine (acts as a prime- conductors on the stator. mover) which is driven by a wind (Figure 1).
• Hence, according to the principle of electromagnetic Relationship between voltage generated and rotation speed of the wind turbine generator induction an altemating voltage is generated in the stator conductors (Figure 2). * The higher the (rotation) speed of wind turbine Voltage Waveforms generator, the faster the cutting of the stator conductor * The wave form of generated voltage form is shown in by varying magnetic field of the rotor. Figure 2. * Therefore, more the magnitude and frequency of the • The duration of one complete cycle is called the period generated voltage in stator, as shown in Figure 3. (T) and it is expressed in seconds (s). * The reciprocal of the period (1/T) is called as frequency (f) of the voltage. Frequency is measured in Hertz (Hz). Procedure • Set up the circuit shown in Figure 4. • Set the main power switch FOD PS to OFF position. • Connect the Power input to an AC powar outlet. • Set the Operating mode of FQD PS to DYNAMOMETER (ie. prime mover). • Connect the FQDPS to a USB port the computer. Tum-on the FQD PS. • In the LVDAC-EMS software, make the following settings as follows: • Vary the speed of generator from 0 to 1500 rimin by adjusting the Speed parameter. • Write the values of generator speed, voltage and frequency in Table 1. Plot the curve. Function parameter Cw Constant-Speed Prime Mover Pulley Ratio 24:32 • la the FQD PS window, stop the prime mover by clicking the STOP button or by setting the STATUS parameter to STOPPED. Speed 1000 r'min STATUS parameter START Apparatus required with Specifications FIGURES Specifications Quantity S. Apparatus Name No. 1. Four quadrant dynanometer power supply 2. Wind turbine generator (permanent magnet synchronous generator) 3. Voltmeter (A.C) 0-3 Nm; 0-250 rpm: 350W 0-150V; 0-5A;: 50ow ala 0-100V 4. LVDAC-EMS software et 5. Connecting wires 6. USB cable Figure 1. Generator for a Small Scale Wind Turbine
Transcribed Image Text:• Hence, according to the principle of electromagnetic Relationship between voltage generated and rotation speed of the wind turbine generator induction an altemating voltage is generated in the stator conductors (Figure 2). * The higher the (rotation) speed of wind turbine Voltage Waveforms generator, the faster the cutting of the stator conductor * The wave form of generated voltage form is shown in by varying magnetic field of the rotor. Figure 2. * Therefore, more the magnitude and frequency of the • The duration of one complete cycle is called the period generated voltage in stator, as shown in Figure 3. (T) and it is expressed in seconds (s). * The reciprocal of the period (1/T) is called as frequency (f) of the voltage. Frequency is measured in Hertz (Hz). Procedure • Set up the circuit shown in Figure 4. • Set the main power switch FOD PS to OFF position. • Connect the Power input to an AC powar outlet. • Set the Operating mode of FQD PS to DYNAMOMETER (ie. prime mover). • Connect the FQDPS to a USB port the computer. Tum-on the FQD PS. • In the LVDAC-EMS software, make the following settings as follows: • Vary the speed of generator from 0 to 1500 rimin by adjusting the Speed parameter. • Write the values of generator speed, voltage and frequency in Table 1. Plot the curve. Function parameter Cw Constant-Speed Prime Mover Pulley Ratio 24:32 • la the FQD PS window, stop the prime mover by clicking the STOP button or by setting the STATUS parameter to STOPPED. Speed 1000 r'min STATUS parameter START Apparatus required with Specifications FIGURES Specifications Quantity S. Apparatus Name No. 1. Four quadrant dynanometer power supply 2. Wind turbine generator (permanent magnet synchronous generator) 3. Voltmeter (A.C) 0-3 Nm; 0-250 rpm: 350W 0-150V; 0-5A;: 50ow ala 0-100V 4. LVDAC-EMS software et 5. Connecting wires 6. USB cable Figure 1. Generator for a Small Scale Wind Turbine
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