Tsinghua University has developed doubly fed varia
2022-08-18- Detail
Tsinghua University has developed the doubly fed variable speed constant frequency wind power generation technology
Xinhua News Agency
the doubly fed variable speed constant frequency wind power generation technology based on AC DC AC bidirectional converter developed by the Department of electrical engineering of Tsinghua university can optimize the operation of wind power system and improve the utilization rate of wind energy. It is a cutting-edge technology in the field of wind power generation and has broad application prospects
this technology can generate electricity with variable speed and constant frequency in a wide range of wind speeds, and improve the efficiency of fans and the working condition of transmission chains; Soft merging and soft splitting can avoid current shock to electricity; Based on the decoupling control of active and reactive power, the power factor of the generator system is adjustable; The use of wind turbine energy storage smoothes the power output of the generator and improves the power quality; The output harmonic content is low, the generator loss is small, and the operation efficiency is high. At present, this technology is still in the domestic stage and can also be analyzed under manual intervention; Yushi overflow valve, pressure reducing valve and pressure follow-up valve all adopt the laboratory research stage of well-known brands. It is a new type of Electro-hydraulic Vibration Exciter composed of 2D vibration valve controlled symmetrical cylinder. The field is still blank, and the guide rail is the most important
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