1)absorbed advanced techincs from Germany 2) good charaterrstics of high strength,stiff 3) excellent capability of bad weather
LZ1.5MW rotor blade
1)obtained germany GL authority certificate, now has 72 rotor blades which were formally installed and used in world every wind-power field,
2)the first system has already steadily and effectively operated for 6 years, these success cases show LZ1.5MW rotor blades 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 ():-20--+50Root joint parameters*Bolt holes central round diameter (mm):1800*Bolt quantity (kits):54*Bolt standard:M30*2Aerodynamic capabilities*Design tine speed rate:7.5*Maximum wind power utilization modulus (Cp):0.464*Air-movement form design :NACA63
Rotar wind turbine blade
