Device for operating electric loads of a passenger train

摘要

One of the UIC voltages is fed to the power supply device via a train busbar (ZSS). Alternating voltages are rectified by means of an input rectifier (EGR) and a low-value controller (TSS) converts the different D.C. voltages into a uniform intermediate circuit voltage using two serially connected and capacitively coupled GTO thyristors (T). Sinusoidal voltages produced from this intermediate circuit voltage with two rotary current power inverters (DWR) by pulse-width modulation and L-C filters. The said sinusoidal voltage is fed to the loads with potential separation by means of transformers (TR). Apart from a battery charging device (LG), inter alia an air-conditioning system and sockets for mains voltage are connected to the transformers (TR).