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http://dx.doi.org/10.5762/KAIS.2017.18.12.88

Experimental Study of Small Vertical Axis Wind Turbine according to Type of Blades  

Lee, Min-Gu (Department of Electrical Engineering, Wonkwang University)
Oh, Hun (Department of Electrical Engineering, Wonkwang University)
Park, Wal-Seo (Department of Electrical Engineering, Wonkwang University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.12, 2017 , pp. 88-92 More about this Journal
Abstract
Owing to the depletion of fossil energy, wind power is attracting attention as a promising environmentally friendly alternative energy source, because it is abundant, renewable, and non-polluting. Wind turbines are divided into horizontal axis wind turbines (HAWTs) and vertical axis wind turbines (VAWTs) according to the direction of the rotating shaft. VAWTs have a low power generation efficiency, but are not affected by the wind direction and, thus, no yaw system is required and their structure is simple. Small VAWTs are attracting much attention because they can generate power even at low wind speeds. In this study, the output voltages and output currents of small VAWTs with gyromill type, hinge type and double door type blades capable of generating power even at low wind speeds were analyzed at variable wind speeds in the range of 1~11 m/s. At the maximum wind speed of 11m/s, the application of the double door type blades achieved 67% and 9% higher wind turbine output voltages than that of the gyromill type and hinge type blades, respectively. As regards the wind turbine output currents, the application of the double door type blades gave rise to 93% and 5% higher results than that of the gyromill type and hinge type blades, respectively. Through this study, the excellent output characteristics and commercialization potential of the double door type blades, which can generate power both at low and high wind speeds, were confirmed.
Keywords
Double Door Type; Gyromill Type; Hinge Type; Output Characteristics; Vertical Axis Wind Turbine (VAWT);
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Times Cited By KSCI : 11  (Citation Analysis)
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