As previously shown in Figure 7, Types C and F drive trains are dominated by a 3 stage-gearbox coupled to an aEsnyerngicehs 2r0o1n7o, 1u0s, 1g6e86nerator regardless of the wind turbine nominal power. 11 of 17 FFiigguurree 99.. NNuummbbeerroof fstsatgaegseosfotfhethgeeagrebaorx...