Matlab Simulation Lab On Wind Turbine Generator And Photovoltaic Solar Cell

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!!! The deadline is 10:30 pm GMT, not 10:30 AM!!! update doesn't seem to work Please check the attached document. The lab requires the use of Simulink, all required information is made available in the document. Part 1: WIND TURBINE GENERATOR SIMULATION WITH MATLAB 1. OBJECTIVE OF THE LAB: The Objectives of this laboratory experiment are summarized below: (a)To become familiar with a Simulink model of a wind turbine generator (b)To obtain the plot of rotor efficiency vs. tip speed ratio as a function of pitch angle for wind turbine generator (c) To obtain the plot of the rotor power vs. wind speed as a fraction of rotor tip angle for wind turbine generator (d)To obtain the plot of the rotor power vs. wind speed as a fraction of rotor diameter for wind turbine generator Part 2: PHOTOVOLTAIC SOLAR CELL SIMULATION WITH MATLAB 1. OBJECTIVE OF THE LAB: The Objectives of this laboratory experiment are summarized below: (a) To become familiar with Modeling of a PV cell in Simulink (b) To obtain the plot dc current and dc power as a function of dc voltage for a simple PV solar cell (c) To develop an exact Simulink model of a PV solar cell with internal series and parallel resistance (d) To obtain plot dc current and dc power as a function of dc voltage for the exact PV solar cell (e) Compare the results of the simple and exact models (f) Use the exact model and obtain the effect of partial shading on the I- V and P-V curves

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1 MATLAB SIMULATION LAB ON WIND TURBINE GENERATOR AND PHOTOVOLTAIC SOLAR CELL EXPERIMENT # 1 WIND TURBINE GENERATOR SIMULATION WITH MATLAB 1. OBJECTIVE OF THE LAB: The Objectives of this laboratory experiment are summarized below: (a)To become familiar with a Simulink model of a wind turbine generator (b)To obtain the plot of rotor efficiency vs. tip speed ratio as a function of pitch angle for wind turbine generator (c) To obtain the plot of the rotor power vs. wind speed as a fraction of rotor tip angle for wind turbine generator (d)To obtain the plot of the rotor power vs. wind speed as a fraction of rotor diameter for wind turbine generator 2. PROCEDURE: Part 1- Building the model Using the generic model of a DFIG wind turbine found in MATLAB, modify the model and build a new model in the Simulink environment. Choose the following for the simulation configuration parameters: • Simulation start time of 0.0 seconds • Simulation stop time of 50.0 seconds • Solver option Type of “fixed – step” and solver of “ode3” • Step size of 0.02 seconds Part 2- Simulation of Rotor Efficacy vs. Tip Speed Ration as a function of Pitch Angle Start with a pitch angle of 0 degree and perform the Simulink simulation. plot CP vs. Tip speed ratio (λ) in MATLAB. You should plot only the positive values of CP by adjusting the range of y- axis. Now change the pitch angle (β) from 0 to 30 digress in 5 degrees’ increments, and superimpose the new traces on the original one that you had before. Print the final plot. 2 Part 3- Simulation of Rotor Power vs. Wind Speed as a function of Rotor Tip Speed. Start with the base case. Change the rotor tip speed to 1.5 m/s and perform the simulation. Plot rotor power vs. wind speed in MATLAB. Now change the rotor tip speed from 1.5 m/s to 0.3 m/s in 0.3 m/s decrements, and superimpose the new traces on the original one that you had before. Print the final plot. Part 4- Simulation of Rotor Power vs. Wind Speed as a function of Rotor diameter Start with the base case. With rotor diameter of 77 m, perform the simulation. Plot rotor power vs. wind speed in MATLAB. Now change the rotor diameter to 50 m and 35 m respectively, and perform the two simulations. Superimpose the new traces on the original one that you had before. Print the final plot. EXPERIMENT # 2 PHOTOVOLTAIC SOLAR CELL SIMULATIONWITH MATLAB 1. OBJECTIVE OF THE LAB: The Objectives of this laboratory experiment are summarized below: (a) To become familiar with Modeling of a PV cell in Simulink (b) To obtain the plot dc current and dc power as a function of dc voltage for a simple PV solar cell (c) To develop an exact Simulink model of a PV solar cell with internal series and parallel resistance (d) To obtain plot dc current and dc power as a function of dc voltage for the exact PV solar cell (e) Compare the results of the simple and exact models (f) Use the exact model and obtain the effect of partial shading on the I- V and P-V curves 2. PROCEDURE: Part 1- Building the model Using the generic model of a PV solar found in MATLAB, modify the model and build a new model in the Simulink environment. Choose the following for the simulation configuration parameters: • Simulation start time of 0.0 seconds • Simulation stop time of 25.0 seconds • Solver option Type of “fixed – step” and solver of “ode3” • Step size of 0.01 seconds 3 Part 2- Simulation the I-V and P-V curves of the PV Cell Using the built simple PV cell, start with the PV cell short circuit current of 2 A, and voltage ramp from 0 to 0.6 V to perform the Simulink simulation. Plot the dc current I and dc power P as a function of dc voltage V in MATLAB. Print the two characteristics (I-V & P-V) as two subplots on one sheet of paper. Show the maximum power point on the plot Part 3 Simulation the I-V and P-V curves for the exact the PV Cell Start with the simple Simulink PV model. Use two constants one for the series resistance RS and the other for parallel resistance RP. Now replace the “Function” with an embedded MATLAB Function.” This new function has 4 inputs and 1 output. Insert a value of 50 mΩ for RS and 6 Ω for RP and perform the Simulink simulation. Plot the dc current I and dc power P as a function of dc voltage V in MATLAB. Print the two characteristics (I-V & P-V) as two subplots on one sheet of paper. Show the maximum power point on the plot. Part 4- Compare the results Compare the results of part 2 and 3. Compare the two I-V by plotting them on the same graph. Then determine the values of series and parallel resistances (RS and RP. Also compare the two P-V characteristics and determine the reduction in maximum cell power. Part 5: Simulation the I-V and P-V curves for the partially shaded series PV cells. Using the exact PV cell and without MPPT, modify the parameters of the cell to have 250-W PV module consisting of 60 cells connected in series. The PV Model is first modeled as three strings of 20 series-connected cells in parallel with equal irradiance of 1000 W/m2 for all three strings. Perform the Simulink simulation and plot the (I-V & P-V) characteristics. Secondly The PV cells are modeled as three strings of 20 series-connected cells in parallel with bypass diodes that allow current flow when cells are shaded or damaged. Standard irradiance of 1000 W/m2 is applied on the first string of 20 cells while partial shading is applied on strings 2 (cells 21-40) and string 3 (cells 41-60), resulting in respective irradiances of 300 W/m2 and 600 W/m2. Perform the Simulink simulation and plot the (I-V & P-V) characteristics. Compare the results.
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