Open Access

Table 2

Operating conditions.

Motor Torque 100N.m
Bearing stiffness k1x=k2x=k1y=k2y=108N/m.
Shaft torsional stiffness k1θ=k2θ=105N/m.
Pressure angle α12=20°
Moment inertia of the rotor 2587kg2
Rotor angular velocity ωrot=13rad/s
Generator velocity 1500rpm
Power coefficient Cp=44%
Air density ρair=1,225kg.m3
Rotor radius R=6m
Basic radius of wheels r12b=0.8m,r21b=0.2m,r31b=0.5m,r32b=0.1m.

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