Since its beginnings with unit capacities of only 1.5MW, Goldwind's permanent magnet direct drive (PMDD) technology has formed the basis of all the OEM's wind turbines. However, rising mineral prices – especially those used in permanent magnets – now push the manufacturer to implement a seminal change away from PMDD.
Last week, Goldwind announced a new product portfolio based on medium-speed permanent magnet (MSPM) tech, entailing seven new turbine models with rotor diameters of 171 meters, five with 191 meters as well as single offshore offerings with a rotor diameter of 242 meters.
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