The Swift Wind Turbine is a building-mountable unit that developers say provides a quiet, cost-effective renewable energy source for domestic, community, and industrial use. Each Swift, from Cascade Renewable Energy Solutions, Grand Rapids, Mich., can provide about 2,000 kWh/yr in areas with above average or favorable winds (class 3 or higher), which equates to about…
HPM America launches 1kW to 1 MW wind turbines
Wind-generated electricity in some locations is close to the cost of power from conventional utility generation. Wind power, the world’s fastest-growing energy source, will provide industry, businesses, and homes with clean, renewable electricity for many years. So in keeping with this year’s theme at NPE (National Plastics Exhibition) 2009 in Chicago of “Energy Efficiency and…
A turbine for homeowners
Designers of a six-ft diameter turbine put permanent magnets at the tips of its blades and coils in a shroud for 95-lb unit that its developer says generates electricity in wind speeds from 2 to 40 mph. The design eliminates a gearbox, shafts, and traditional generator for an almost friction-free design. Homeowners will be able…
Roof-top turbines work in slower wind
The roof tops of office building seem a good place for wind turbines but few are mounted there because of weight and complexity. Green Energy Technologies LLC in Akron, Ohio, may have a solution in the WindCube. It’s a 60 kW rooftop wind turbine for on-site power generation. The turbine’s shourd captures and amplifies the…