... mechanism is sensitive, reliable, and can be used in variable environments.Wind turbine start up: keep a big blade pitch, ... mechanism is sensitive, reliable, and can be used in variable environments.Wind turbine start up: keep a big blade pitch, ... stylePermanent magnet, three phase, ACWind turbine body weight450kgNoise level≤65dBAAA Tower height / weight (m/kg)12/1000 vertical wind generator for farm