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<p>Vertical Axis Wind Turbines (VAWTs) with Magnetic Levitation (Maglev) technology provide an efficient way to generate wind energy, especially in low-wind conditions. This project focuses on designing and improving a Maglev-based hybrid VAWT to reduce friction, lower startup torque, and increase energy output. The turbine achieved a peak rotational speed of 275 RPM and a torque of 0.35 Nm under wind speeds of 6&#xa0;m/s. It generated a mechanical power output of 10.08&#xa0;W, with a power coefficient (Cp) of 0.0762, and an estimated annual energy yield of 20.16 kWh/year. The turbine features an axial flux permanent magnet generator (AFPM) for direct power generation, removing the need for a gearbox and simplifying the system. Advanced simulations, including Computational Fluid Dynamics (CFD) and Finite Element Method (FEM), help optimize the turbine’s aerodynamics and structure. Experimental testing confirms improved performance, proving that Maglev-VAWTs are a reliable and sustainable option for urban and off-grid energy needs. This study highlights their potential for future improvements and wider adoption in renewable energy applications.</p>

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Design and validation of a magnetically levitated hybrid VAWT for low-wind energy generation

  • 期刊论文

  • 发表日期：

    2025年12月6日

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  • Amol Dhumal,
  • Nitin Ambhore,
  • Aadiya Naik,
  • Vasant Phirake,
  • Kiran Ghuge,
  • Ritesh Khomane

摘要

Vertical Axis Wind Turbines (VAWTs) with Magnetic Levitation (Maglev) technology provide an efficient way to generate wind energy, especially in low-wind conditions. This project focuses on designing and improving a Maglev-based hybrid VAWT to reduce friction, lower startup torque, and increase energy output. The turbine achieved a peak rotational speed of 275 RPM and a torque of 0.35 Nm under wind speeds of 6 m/s. It generated a mechanical power output of 10.08 W, with a power coefficient (Cp) of 0.0762, and an estimated annual energy yield of 20.16 kWh/year. The turbine features an axial flux permanent magnet generator (AFPM) for direct power generation, removing the need for a gearbox and simplifying the system. Advanced simulations, including Computational Fluid Dynamics (CFD) and Finite Element Method (FEM), help optimize the turbine’s aerodynamics and structure. Experimental testing confirms improved performance, proving that Maglev-VAWTs are a reliable and sustainable option for urban and off-grid energy needs. This study highlights their potential for future improvements and wider adoption in renewable energy applications.