Wind Load Evaluation of Wind Turbine Tower Design

Abstract

According to the current main wind turbine design specifications, the necessary parameters for wind load assessment of wind turbine tower are discussed. According to IEC61400-1 (IEC2019) and Japan's Guidelines for Design of Wind Turbine Support Structures and Foundations (JG2010), the wind load assessment of the tower structure of a 2MW horizontal axis generator is carried out, and the calculation results are compared. It can be seen from the comparison that the design value from the evaluation formula of JG2010 and the design value from the load condition of IEC2019 by using GH bladed simulation matches well. The main reason is that the evaluation formula of JG2010 itself is derived according to the response spectrum method. So, JG2010 is a good reference for the design of domestic wind turbines and the formulation of relevant specifications.