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MICRO WIND TURBINES: Small Size, Big Impact
Conventional wind turbine technology has been a bit out of reach for most residential consumers living in urban areas—until now. Researchers at Hong Kong University and Lucien Gambarota of Motorwave Ltd. have developed Motorwind, a micro-wind turbine technology small enough for private use in both rural and urban environments. Unlike large-scale wind turbines, Motorwave’s micro-wind turbines are light, compact (25 cm rotor diameter), and can generate power with wind speeds as low as 2 meters/second.
According to tests, turbines arranged within a surface area of one square meter and a wind speed of 5 m/sec generate 131 kWh/yr. We’ll be watching when the Hong Kong Sea School installs 360 micro-turbins (20 square meters) next month. A second installation of another 880 micro-turbines will be realized if the first installation is a success. Plans are also on the way for the World Wildlife Fund’s Hoi Ha Marine Reserve to install micro-turbines some time in the near future.
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