Abstract
Direct-driven wind turbine has become one of the mainstream technologies in wind power generation. Studying the system structure and the control technology of direct-driven wind turbine is the basis for optimization operation of direct-driven wind turbine. The system structure of direct-driven wind turbines is analyzed and the main subsystem mathematical model of direct-driven wind turbine are established, including wind speed model, aerodynamic model, generator model, and grid side converter model. The overall model of direct-driven wind turbine is established by integration of each subsystem mathematical model. The overall model of the direct-driven wind turbine is modeled and analyzed, and the simulation results show that the direct-driven wind turbine model can accurately reflect the dynamic characteristics of the direct-driven wind turbine operation process.
Highlights
With the gradual development of wind power technology, especially the development of large power converter technology, full power converter wind turbines have gradually become the mainstream model of wind power
These model were simulated and analyzed, the results show that these model can reflect the operating characteristics of the direct-driven wind turbine in a certain extent
This paper mainly studies the dynamic characteristics of the direct-driven wind turbine
Summary
With the gradual development of wind power technology, especially the development of large power converter technology, full power converter wind turbines have gradually become the mainstream model of wind power. Rolan et al [1] analyzed the advantages of the directdriven wind turbine , established the wind speed model, the aerodynamic model and the generator model These model were simulated and analyzed, the results show that these model can reflect the operating characteristics of the direct-driven wind turbine in a certain extent. Jayalakshmi et al [7,8] analyzed the running characteristics of the grid type direct-driven wind turbines, and established the corresponding simulation model ,which provides support for the grid control technology research of the direct-driven wind turbines. Studying the large direct-driven wind turbine operating principle and control scheme are to provide support for the application of the direct-driven wind turbine [10]. The dynamic characteristics of the direct-driven wind turbine are studied and analyzed
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