Nacelle of ReGen 2 MW wind turbine

ReGen India is partner with Vensys Germany and above turbine is their amazing product on same 1.5MW platform.
Its rotor dia is 116m. and is designed for power density of 189W/sqm.
Its gearless.
Deploys Variable speed Synch Gen with PM excitation.

What tests are conducted on Wind Turbine Blades

Governing ISO : 17025
IEC std 61400-23

Other tests that are done:

1. Ultrasonic Scan
2. Measurements on Bolted Connections
3. Bearing strength test.
4. Local blade deformation measurement.
5. Infrared scan for fatigue tests.
6. Noise measurement.
7. Mass and stiffness distribution test.
8. Torsion stiffness test.

Welcome Senvion 2XM

Another small wind turbine spec

Another set of specs for small WT

Torque ranges required in the Wind Turbine Sector

Above illustration shown how wind turbine drive train segment has evolved.