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The Future of Wind Turbines: Comparing Direct Drive and Gearbox
Web4. apr 2011 · Two types of control strategies are considered in the dynamic models of this book chapter, respectively, through the use of classical control or fractional-order control … Web1. mar 2011 · The company now has 39 100 kW permanent magnet direct-drive turbines operating in several remote communities in Alaska. The median availability of the … maryland band gun list
Direct-drive wind turbine - All industrial manufacturers
Web4.14.6.1.1 Permanent magnets PMs are capable of establishing a magnetic field without a current flow. They are normally alloys of iron, nickel, and cobalt. They are characterized by … Web7. nov 2007 · The utility model relates to a wind generator, in particular to a permanent-magnetic direct-drive wind generator, comprising a wind turbine equipped with blades, … Webdirect-drive permanent-magnet machines are more superior in terms of the energy yield, reliability and maintenance problem, different promising permanent-magnet machines … maryland band directors