Wind turbine constant voltage controller using modified SHEPWM technique

The major challenges in designing the controller for wind turbine are fluctuations of the wind speed and the harmonic contents of the output voltage. The fluctuations of the wind turbine speed results in inconsistency of voltage supplied to the inverter which will affect the harmonic of the outpu...

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Format:	Thesis
Language:	English
Subjects:	Wind turbines Direct current amplifiers PID controllers
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/4/Muhammad%20Zaid.pdf
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id	my-unimap-77060
record_format	uketd_dc
spelling	my-unimap-770602022-11-17T01:46:49Z Wind turbine constant voltage controller using modified SHEPWM technique Rosnazri, Ali, Ir. Dr. The major challenges in designing the controller for wind turbine are fluctuations of the wind speed and the harmonic contents of the output voltage. The fluctuations of the wind turbine speed results in inconsistency of voltage supplied to the inverter which will affect the harmonic of the output voltage. Therefore, this research is dedicated to design a controller consists of a DC/DC boost converter and a DC/AC inverter integrated with the wind turbine system. The controller plays two important roles. Firstly, the controller has to control the consistency of the output voltage of the DC/DC boost converter irrespective of the inconsistency of the input voltage supplied using PI controller. Second, the controller has to generate the firing angles that giving out lesser harmonic to the single phase DC/AC inverter using the Selective Harmonic Elimination Pulse Width Modulation (SHEPWM) switching strategy. The overall system has been designed successfully using MATLAB Simulink software and implemented using real hardware. The results from both simulation and hardware are collected, analysed and compared. For boost converter, the output voltage is in constant 50V even though the input voltage supplied to the boost converter is varies and it is suitable to charge the battery system. For inverter, the hardware is tested with a resistive load and an inductive load to study the performance of the controller when dealing with different types of load. From the results obtained from simulation and hardware, it can be concluded that the designed controller circuit is working well even though the input voltage supplied to the boost converter varies and the output voltage of inverter is very low in total harmonic distortion (THD) nearly 3.6% for THD voltage and 2.1% for THD current Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77060 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/1/Page%201-24.pdf c201c1f1087d911d09a3625cf1a2bc92 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/2/Full%20text.pdf 6394b34444800bb1b8912edaf0b12276 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/4/Muhammad%20Zaid.pdf 58949180d29881c5eb0e90be0e0db1db Universiti Malaysia Perlis (UniMAP) Wind turbines Direct current amplifiers Electric currents, alternating PID controllers School of Electrical Systems Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
advisor	Rosnazri, Ali, Ir. Dr.
topic	Wind turbines Direct current amplifiers Wind turbines PID controllers
spellingShingle	Wind turbines Direct current amplifiers Wind turbines PID controllers Wind turbine constant voltage controller using modified SHEPWM technique
description	The major challenges in designing the controller for wind turbine are fluctuations of the wind speed and the harmonic contents of the output voltage. The fluctuations of the wind turbine speed results in inconsistency of voltage supplied to the inverter which will affect the harmonic of the output voltage. Therefore, this research is dedicated to design a controller consists of a DC/DC boost converter and a DC/AC inverter integrated with the wind turbine system. The controller plays two important roles. Firstly, the controller has to control the consistency of the output voltage of the DC/DC boost converter irrespective of the inconsistency of the input voltage supplied using PI controller. Second, the controller has to generate the firing angles that giving out lesser harmonic to the single phase DC/AC inverter using the Selective Harmonic Elimination Pulse Width Modulation (SHEPWM) switching strategy. The overall system has been designed successfully using MATLAB Simulink software and implemented using real hardware. The results from both simulation and hardware are collected, analysed and compared. For boost converter, the output voltage is in constant 50V even though the input voltage supplied to the boost converter is varies and it is suitable to charge the battery system. For inverter, the hardware is tested with a resistive load and an inductive load to study the performance of the controller when dealing with different types of load. From the results obtained from simulation and hardware, it can be concluded that the designed controller circuit is working well even though the input voltage supplied to the boost converter varies and the output voltage of inverter is very low in total harmonic distortion (THD) nearly 3.6% for THD voltage and 2.1% for THD current
format	Thesis
title	Wind turbine constant voltage controller using modified SHEPWM technique
title_short	Wind turbine constant voltage controller using modified SHEPWM technique
title_full	Wind turbine constant voltage controller using modified SHEPWM technique
title_fullStr	Wind turbine constant voltage controller using modified SHEPWM technique
title_full_unstemmed	Wind turbine constant voltage controller using modified SHEPWM technique
title_sort	wind turbine constant voltage controller using modified shepwm technique
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Electrical Systems Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77060/4/Muhammad%20Zaid.pdf
_version_	1776104230610796544

Wind turbine constant voltage controller using modified SHEPWM technique

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