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Comparative Study of Two Different Converters with its Controller for Grid Connected WECS with PMSG

Author

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  • Sasmita Behera

    (Veer Surendra Sai University of Technology, Burla, India)

  • Matruprasad Jyotiranjan

    (Veer Surendra Sai University of Technology, Burla, India)

Abstract

Wind is a source for generating clean and economical electrical energy with a proper harnessing mechanism. For a wind energy conversion system (WECS), maximum power extraction with optimum power quality is required. In this article, the grid power quality is enhanced, using a multilevel inverter which provides smoother and pure sinusoidal waves as compared to two-level inverter by decreasing total harmonic distortion (THD) in WECS with a permanent magnet synchronous generator (PMSG). Also, a maximum power point tracking (MPPT) algorithm is based on an optimal torque controller, employed to extract more power. In this study, a WECS with a PMSG connected to the local linear resistive load and grid is considered for simulation. A multilevel inverter grid interface is controlled by in phase disposition pulse width modulation (IPD – PWM). The multilevel inverter with MPPT has been acknowledged as superior to a normal two-level inverter without MPPT Controller. Simulation results as observed for fixed and variable wind speed including MPPT demonstrate benefits of the proposed method.

Suggested Citation

  • Sasmita Behera & Matruprasad Jyotiranjan, 2019. "Comparative Study of Two Different Converters with its Controller for Grid Connected WECS with PMSG," International Journal of Energy Optimization and Engineering (IJEOE), IGI Global, vol. 8(2), pages 1-24, April.
    • Handle: RePEc:igg:jeoe00:v:8:y:2019:i:2:p:1-24
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