Along with the non renewable energy consumption increasing, the use ofrenewable energy more and more and more countries and regions favor. In renewableprimary energy, utilization of wind energy is the most mature, with its clean efficientcharacteristics is widely used in various major wind zones.With the large power wind turbinedevelopment trend, thewind load distributionand the analysis of the problem more prominent. This paper introduces systematicallythe basic theory of the wind turbine, including the momentum theory andbladeelement theory, analyzes the conversion between the air force and wind turbine bladesof energyefficiency, and the bladecoordinate system is established according to thestructure characteristics of leaves, gravity load, aerodynamic load and centrifugal loadof wind turbine blades. The basic theory of wind turbine application calculation. Thewind turbineblade underharsh environment,interaction of various complex loads, it isprone tofailure. The load calculation andfatigue life analysis is the main content ofleavesto maintain wind turbine R&D and fault,reliability can effectively improvethewind power generator operation.In this paper,gold wind technology70/1500type wind power generatoras theresearch object,from the domestic and foreign research results,the strength theory, airdynamics basedon UG software and ANSYS software subsidiary,to GL codes, thegolden wind science and technology70/1500model of wind turbine blades in thefinite element analysis.The golden wind science and technology70/1500model of wind turbine blades,the bladeairfoil curve, modeling in3D software, three-dimensional model of leafblade, through the finite elementsoftwareload analysis of different conditions on theblade of. According to the stress and deformation analysis, checkwhetherthe blade strength meet the requirements. Modal analysis of blade.Modal analysis of blade,blade centrifugal force is considered under the influence of the inherent frequency andvibration type in stationary and. Harmonic analysis on blade, to verify the reliabilityof blade design. |