Modeling of Permanent Magnet Direct-driven Wind Turbine Based on High-precision Pneumatic Simulation

This paper studies modeling and the simulation technology of permanent magnet direct-drive wind turbine based on high-precision pneumatic simulation. Firstly, this paper analyzes the current basic modeling principles of permanent magnet direct-driven turbine, and discusses the simulation methods of electrical and grid side, main control and converter control side, and physical system side; Secondly, the shortcomings of the current simulation methods for the simulation accuracy of the pneumatic link are analyzed, and an accurate simulation method for the pneumatic operation simulation considering the simulation speed is proposed; Finally, this paper carried out the unit simulation analysis including high-precision pneumatic simulation, carried out the accuracy verification, and verified the improvement effect of pneumatic precision simulation on the overall simulation accuracy of turbine.