The best motors for wind turbine generators are typically permanent magnet synchronous motors (PMSM) and doubly-fed induction generators (DFIG). The drive towards more carbon-free power generation means that wind turbine manufacturers, installers, and maintenance crews will face an increasing workload and a growing need for. key enabling technologyfor wind turbines. Electrical performance of an individual generator is optimized in co-op ration with the wind turbine manufacturer. We. The authors would like to thank Michael Maness (analyst, National Renewable Energy Laboratory, Strategic Energy Analysis Center) for his inputs on cost modeling, Cameron P. Since founded in 1949, Shanghai Electric Machinery Co. (SEC) has been a key and the largest electric machinery manufacturer in China, with a broad range of more than 190 series, 950 varieties, and 10,000 kinds of specifications, which has. PRIMO not only has high-quality standardized wind power hydraulic wrench, wind power bolt tensioner, hydraulic pump tester and torque tension detector, but also continuously expands the technical research and development team, strengthens the system research and development capabilities, and.