Abstract:The beat phenomenon can be a critical issue in railway traction applications. This paper proposes a dual-frequency compensation (DFC) method for the beat-less algorithm to shift the spectrum of the beat voltages to a higher-frequency region. Two variables for frequency compensation are derived by mathematical calculations based on the singlefrequency compensation (SFC) method. The applicability and superiority of the DFC method are analyzed. It is proposed that the DFC method can be a transition between the mo… Show more
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