A Commutation Failure Suppression Method Based on Virtual Current Limiter
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[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.
[0025] like figure 1 as shown, figure 1 is the implementation flowchart of the commutation failure suppression method based on the virtual current limiter; in the figure, U d* is the original input VDCOL control voltage value, Δ U * is the voltage drop produced by the DC current on the virtual current limiter, and is the new DC voltage value, L * In order to equivalently convert to the virtual inductance value in the control system, I d* is the DC current equivalently converted to the control system, is the differential operator, and is the current command output by VDCOL under the action of the virtual current limiter.
[0026] The technical solution of the present invention is a commutation failure suppression method based on a DC current limiter, the improvement o...
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