Modifications of The INMITLI 500 kW Wind Turbine Tower and Gin Pole

The report presents the modifications carried out on the CSIR-NMIYI 500 kw wind turbine tower and gin pole to ensure structural rigidity for implementation of the non-crane solution for the lifting and lowering of the tilt type turbine tower. The non-Destructive Evaluation (NDE) reports on the critical zones of turbine tower and the associated re-welding carried out are included. Details on the design and analysis of the reinforcing schemes for the gin pole top plate and the 70m dia wire rope anchor attachment are presented.