As the electric capacity of wind turbine increases, heat dissipation in pitch cabinets becomes challenging owing to the limited space and rotating conditions. To cool down the pitch cabinet more effectively a.
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A novel fractional-order repetitive control based on phase angle information interpolation is proposed for single-phase LCL-type inverters in this paper. The results show that fractional order PI λ controller can effectively reduce the harmonic components, and obtain better control effect than the. . Abstract:The multi rate repetitive controller (MRC) can achieve zero steady state error in tracking the reference current signal of grid connected inverters, save the settling time effectively, and improve the running speed. However, when the grid frequency fluctuates, the harmonic suppression performance. .
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