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Abstract

This paper aims to provide an in-depth overview of all the findings presented in recent research papers available on wind turbine emulation design methodologies. It discusses about the existing possibilities for developing the emulator and ultimately uses the suitable method for building a wind turbine emulator keeping all those issues discussed in previous research papers in mind. A wind emulator system is developed to investigate the wind energy generation system at laboratory scale i.e. instead to an actual wind turbine and generator, an emulator is built to emulate the identical characteristics. An emulator system consist of wind turbine model, wind generator model and control system. Maximum power point tracker is employed to extract maximum available power from the wind turbine. A study of the state-of-the-art indicates that most prior efforts involved maximum power point tracking (MPPT) control strategies, generator torque control, blade pitch control system and rotational speed control. This paper presents the maximum power point tracking process which tracks one maximum power point from turbine input, varying the ratio between the voltage and current delivered to get the most power out of it. Of all the MPPT algorithms, incremental resistance (INR) control algorithm with boost converter has been used for simulating the wind turbine system. The development of simulator involves simulation of the designed control system using MATLAB/SIMULINK software and then laboratory implementation. The model on SIMULINK consists of wind turbine module, wind alternator, MPPT controller circuit, PWM signal generator circuit, boost converter and resistive load. In laboratory implementation, a microcontroller will be used for wind turbine characterization, MPPT control and PWM signal generation for more efficient and lower cost system development. The proposed topology is shown in Figure. 1 and sample simulation result is presented in Figure. 2. The detailed results and theoretical analysis will be reported in the full paper.

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/content/papers/10.5339/qfarf.2013.EEP-046
2013-11-20
2020-04-01
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