Control Strategy of Permanent Magnet Synchronous Motor with High Wind Speed and Wide Speed Range
To vigorously develop offshore wind power generation and build a power system with renewable energy as the main body is one of the ways to achieve "double carbon". However, with the increasing capacity of wind power connected to the grid, the power system faces more challenges in frequency stability. The speed range of the direct drive permanent magnet synchronous motor under high wind speed based on the variable speed operation characteristics was analyzed. The variable speed of wind turbine can form a virtual flywheel energy storage device to release and absorb energy, in the meanwhile the virtual flywheel energy storage system can be used as a power system for short-term frequency modulation. The control strategy of the generator side converter and the network side converter of the wind turbine was derived, and the method of active power reference value was given. At the same time, the control strategy of variable pitch Angle was analyzed. To verify the control strategy in this paper, a simulation model was built. The simulation results show that the wind turbine can output smooth power and has short-term frequency modulation ability under random high wind speed conditions.
offshore wind power generationwide speed operation control strategyspeed operation rangevariable pitch angle control strategy
万方数据
维普
