Skewing angle magnet and coil reduced starting torque in a permanent magnet synchronous generator for a small vertical axis wind turbine
- 1Energy Technology Program, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
- 2Department of Electrical Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
- 3Department of Industrial Electrical Technology, Faculty of Science and Technology, Suratthani Rajabhat University, Suratthani 84100, Thailand
- 4Sustainable Energy Management Program, Faculty of Environmental Management, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
- 1Energy Technology Program, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
- 2Department of Electrical Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
- 3Department of Industrial Electrical Technology, Faculty of Science and Technology, Suratthani Rajabhat University, Suratthani 84100, Thailand
- 4Sustainable Energy Management Program, Faculty of Environmental Management, Prince of Songkla University, Hatyai, Songkhla 90110 Thailand
Abstract. This work investigated the effects of changing the skewing angle of a magnet coil on starting torque in a permanent magnet generator (PMSG) fitted in a low speed vertical wind turbine. The optimal skew angle of the magnet-coil was found to be 15–0 (degrees), generating 1.22 (N-m) starting torque and 295.40 (W) compared with a skew angle of 0–0 (degrees). This skew angle reduced starting torque and power by 5.43 % and 1.96 %, respectively. A Savonius and H-Darrieus stacked turbine blade operated at a wind speed of 1.90 m/s and 1.31 N-m torque. This blade was used in a fully operational vertical wind turbine, was connected to the PMSG that can cut-in speed of 2.1 m/s. It was concluded that a 15–0 (degree) skewing angle magnet-coil can be applied to a low speed vertical wind turbine.
Priwan Pongwan et al.


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RC1: 'Review', william erdman, 12 Jan 2021
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AC1: 'Reply on RC1', Montri Luengchavanon, 28 Feb 2021
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AC1: 'Reply on RC1', Montri Luengchavanon, 28 Feb 2021
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RC2: 'Review of skewed generator for small vertical Axis Wind Turbine', A. Abrahamsen, 16 Feb 2021
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AC2: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021
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AC3: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021
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AC2: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021


-
RC1: 'Review', william erdman, 12 Jan 2021
-
AC1: 'Reply on RC1', Montri Luengchavanon, 28 Feb 2021
-
AC1: 'Reply on RC1', Montri Luengchavanon, 28 Feb 2021
-
RC2: 'Review of skewed generator for small vertical Axis Wind Turbine', A. Abrahamsen, 16 Feb 2021
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AC2: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021
-
AC3: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021
-
AC2: 'Reply on RC2', Montri Luengchavanon, 28 Feb 2021
Priwan Pongwan et al.
Priwan Pongwan et al.
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