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Design and Simulation of a Wind Turbine for Electricity Generation International Journal of Applied Engineering Research ISSN 0973-4562 Volume 13, Number 23 (2018) pp. 16409-164717 © Research India Publications. http://www.ripublication.com Design and Simulation of a Wind Turbine for Electricity Generation 1Daniyan, I. A., 2Daniyan, O. L., 3Adeodu, A. O., 3Azeez, T. M. and 3Ibekwe, K. S. 1Department of Industrial Engineering, Tshwane University of Technology, Pretoria, South Africa. 2Centre for Basic Space Science, University of Nigeria, Nsukka, Nigeria. 3Department of Mechanical & Engineering, Afe Babalola University, Ado Ekiti, Nigeria. Abstract per square meter of swept area of a turbine. The wind power density, measured in watts per square meter, shows how much This study is focuses on the design of a cost effective wind energy is accessible at the site for transformation by a wind turbine for electricity generation using locally sourced turbine Wind turbine can be vertical, horizontal upward or materials. The design of the turbine takes into the reduction in downward (; Gordan et al., 2001; Gasch et al., 2002; Horikiri, the weight and size of the turbine thereby lowering production 2011). Aerodynamic lift is the force that overcomes gravity and and installation costs. This increases the efficiency by is in a right angled direction to the wind flow. It occurs due to increasing the resistance from dynamic loads and reduction of the uneven at pressure on the upper and lower aerofoil surfaces acoustic noise discharge. The locally sourced materials (Gosh, 2002) while aerodynamic drag force is parallel to the employed include the; blades, hub, a permanent magnet motor direction of oncoming wind motion (Dabiri, 2011). Drag occurs as generator, tower, electric starter and fan as well as a due to uneven pressure on the upper and lower aerofoil surfaces controller. The wind turbine designed as a power controlled, (Yurdusev, 2006; Dominy, 2007; Holdsworth, 2009; Navin et variable speed, 3-bladed horizontal axis upwind turbine. Its al., 2014). According to Heier (1998), the use of wind power airfoil characteristics include maximum thickness 10.02% at reduces the chances of environmental pollution. Also, in 32.1% chord, maximum camber 5.5% at 49.7% chord. The remote areas lacking purchased electricity, wind energy is the blade design of the airfoil SG 6043 was performed in Q-blade best alternative because it is a renewable resources (Okoro et software to generate the aerodynamic properties of SG 6043 al., 2010). In addition, the use of wind energy will be suitable while the control was simulated in the Matlab Simscape and and cost effective for rural farming due to its location. (Amuna Simulink 2017a environment. The aerodynamic properties and Okoro, 2006). Many works have been reported on the include the angle of attack which is 2.2° and the maximum twist modeling and simulation of wind turbine system for optimum angle which is 25.66°. Aluminum was employed as the material generation of energy. For instance, Roshen and Mahdi (2017) for the blade for cost effectiveness and weight reduction. In used Matlab-Simulink for the modeling and simulation of addition, the choice of aluminum as the material for the blade turbine generator while Devbratta and Jin (2017) developed a results in considerable reduction in weight as opposed to carbon wind turbine simulator for integration to a microgrid and or other materials in existing design. This work also provides Erchiqui et al. (2014), performed umerical investigation of design data for the development of wind turbine system as well vibration and dynamic pressure of a vertical axis wind turbine as a suitable template for scaling the future development of 421. These works provided modeling and simulation analysis wind turbine system. for the developmental frame work of wind turbine system. This Keywords: Controller, Dynamic Loads, Electricity, Wind aim of this work is to design a cost effective wind turbine for Turbine, Motor energy generation using locally sourced materials. The design of the turbine takes into the reduction in the size of the turbine thereby lowering production and installation costs. This 1. INTRODUCTION increases the efficiency by increasing the resistance from dynamic loads and reduction of acoustic noise discharge. The Wind energy or wind power involves the generation of design, control and dynamic simulation of the wind turbine mechanical power from wind (Amdi et al., 2012; Devbratta and system using the combination of two versatile software namely Jin, 2017). A wind turbine is a device that converts kinetic Q-blade software and MATLAB Simulink has not been energy from the wind into electrical power (Wood, 2011; sufficiently reported in the existing literature. Kunduru et al., 2015). Today, an ever increasing number of individuals are utilizing wind turbines to wring power from the breeze. Over the previous decade, wind turbine utilization has 2. METHODOLOGY expanded at more than 25 percent a year (Sambo, 2008; Burton, 2011). Wind turbines work on a basic standard. The energy in The Q blade software was employed for the model design of the wind turns the blades fixed around a rotor, the rotor the blade and rotor as well as its simulation (Figure 1). This is connected to the primary shaft also turns the generator to because the software is very versatile as it shows the produce mechanical power (Kersten, 1998; Adrid, 2007). A relationships of the design concepts and turbine performance. quantitative measure of the wind energy accessible at any area In addition, it can sufficiently carry out complex calculations is known as the Wind Power Density (WPD) (Gipe et al., as well as turbine blade design and optimization. Many 2009). It is a calculation of the mean yearly power accessible calculations, design variables and relationship relating to the 16409 International Journal of Applied Engineering Research ISSN 0973-4562 Volume 13, Number 23 (2018) pp. 16409-164717 © Research India Publications. http://www.ripublication.com blade twist, blade chord, section airfoil performance, turbine control, power and load curves as well as the rotor simulation were obtained with the use of the software. Figure 1: Modelling the wind turbine system with the Q blade software 2.1.1 Blade 2.1 Design and Assembly of Turbine Components The wind turbine is a power controlled, variable speed, 3- bladed horizontal axis upwind turbine (HAWT). Since this is a For the wind turbine system, all the components which include small turbine, a pitch direction framework would be too the blades, the hub, the generator and the tower, the controller expensive and complex, yet a variable speed rotor is important are individually designed and though in these parts selection, to track ideal TSR for most extreme vitality catch of IEC Class alternatives were available but after considering the cost, III wind speeds. A 3-bladed rotor (shown in Figure 2) was machinability and reliability. The following design chosen to reduce tower top wavering oscillation and blade specifications were realized. length for easy movement. An upwind HAWT setup was chosen to provide the blades clean air and in light of the fact that it generally has more noteworthy efficiency over Vertical Axis Turbines which is basic for low wind speeds. Figure 2: Blade rotor design 16410 International Journal of Applied Engineering Research ISSN 0973-4562 Volume 13, Number 23 (2018) pp. 16409-164717 © Research India Publications. http://www.ripublication.com 2.1.2 Materials To assemble a solid blade material, for example, Pre-Preg carbon combines the merit of strength with stiffness more than the fiber glass but it is relatively costly. Therefore, aluminum is preferred for this small-scale wind turbine blade material because of its low weight and cost effectiveness in assembling contrasted with carbon Design of the blades is aimed at achieving the best result when it comes to electricity generation at the most economic cost without compromising the standard. The blade is curved to allow lift forces at the tip of the blades causing them to move faster hence generating more power and higher efficiencies. 2.1.2 Hub design The wind turbine system is designed to consist of three blades attached to the hub, the hub is also attached to the motor. The Figure 3: DC motor with 12 V output hub is also designed to have grooves to accommodate blade connection. 2.1.4 Nacelle and tower The nacelle and tail are injection formed from a plastic from 2.1.3 Generator the rotor to keep up high generation runs and drivetrain Ideally, a generator is meant for this designed but on the basis security. The turbine is 5 long, 3 0.5 m in diameter with of economic concerns a motor is used. A generator produces partially threaded 316 stainless steel rods and tie downs (Figure either by using induction, excitation or permanent magnets, it 4). The wind turbine will fuse a variable stature tower by is for this reason a permanent magnet motor is used. Inside a utilizing commercial long, width, partially threaded stainless permanent magnet motor is a coil of wound copper steel rods and tie downs. The wind turbine will incorporate a encompassed by permanent magnets. These motors rotate detached tail vane for tower top yawing to track the wind. This utilizing electromagnetic induction, which implies electricity is is regularly the best yawing system for little wind turbines provided to wound copper wire which makes a magnetic field. because of the low torque required. The magnetic field made by the electricity flowing through the copper wire restricts the permanent magnets in the motor housing. Thus, the copper wire that is joined to the pole of the motor tries "to propel" itself far from the permanent magnets thus rotation is achieved. Turning the copper wire by utilizing the energy from the breeze within the sight of the magnets makes a voltage distinction between the two closures of the copper wire.
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