
Auxiliary converter system of locomotive HXD1C and its logic control process was illustrated; the equivalent impedance of power circuit and characteristic of input inductance and DC-link circuit was analyzed; a method of estimating and computing the voltage and current on IGBT was proposed. Moreover, by simulation, the analysis of voltage/current waves for power circuit was done, reference was provided for ensuring the normal running and performance improvement of the auxiliary converter.
Railroad engineering and operation, main circuit simulation, IGBT voltage, dual-input network, HXD1C locomotive, auxiliary converter, TF1-1620, subsystem, secondary winding
Railroad engineering and operation, main circuit simulation, IGBT voltage, dual-input network, HXD1C locomotive, auxiliary converter, TF1-1620, subsystem, secondary winding
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