DOI: https://doi.org/10.15802/etr.v0i10.83518

Construction principles of electric circuit of auxiliary converter of train with asynchronous traction drive

Д. О. Забарило, Д. М. Мамасуєв

Abstract


The rational structure of the converter circuit auxiliary electric with asynchronous traction drive for the railways of Ukraine was determined. As a result of the analysis was to determine the main structure of the circuit using the input choppers, the circuit directly connecting single-phase autonomous inverter, circuit directly connecting the three-phase autonomous inverter. Found that the most rational structure is the circuit of direct connection of single-phase voltage inverter autonomous. In such a circuit for electrical isolation of high voltage circuits with low-voltage circuits using high frequency transformer. As the converter can be used resonance inverter or three-level voltage inverter. Applying this will reduce the weight and volume of auxiliary inverter, and the use of a three-level inverter will enable to reduce the class of power semiconductor devices, and accordingly, the cost of the converter.


Keywords


train; asynchronous drive; auxiliary converter; high frequency transformer; autonomous voltage inverter; auxiliary machines; resonant converter

References


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