... 8.5kg FD5-5000, FD10-10000, FD20-20000 Wind turbine,Wind generator,Solar systemsTechnical Specifications:1) Generator: three phase ... mechanical brake systerm)5) yawing system:Through wind speed wind under counter gathering wind energy information, with CPU control, then ... manual brake system7)PWM controller recharging.8)Controller with wind and solar hybrid system9) CE, ISO certificates ...