LZ1.5MW rotor blade obtained Germany GL authority certificate, now has 72 rotor blades which were formally installed and used in world every wind-power field, the first system has already steadily and effectively operated for 6 years, these success cases show LZ1.5MW rotor blade's reliability, security and applicability. *Basic parameters *Total length (m): 37.5 *Maximum string length (m): 3.2 *Standard weight (kg): 5800 *Application parameters *Control method: Shift and slurry change rules *Rating power (MW): 1.5 *Application wind field grade: GLIII *Rotor blade diameter (m): 77 *Rotor blade revolving way: Clockwise *Rating revolving speedRPM: 17.3 *Rating wind speed (m/s): 11 *3 seconds cutting wind speed (m/s): 35 *Rating/urgent lock torque (KNm): 1378/2067 *Work temperature ('C): -20--+50 Root joint parameters *Bolt hole's central round diameter (mm): 1800 *Bolt quantity (kits): 54 *Bolt standard: M30*2
