Draft Deployment of Traction Units with Active Tilting System for Regional and Long-distance Transport on Non-modernized Railway Tracks

Abstract

Abstract. The paper presents the perspectives of suburban traction units with tilting system particularly in regional transport to decrease the travel times and increase the competitiveness of railway transport. It aims to outline the importance of its use in this mode of transport, especially in the case when the condition of infrastructure is unable to provide higher efficiency possibilities for railway enterprises and investments for tracks optimization are not available or insufficient, i.e. enterprises cannot be more efficient in utilization of classic traction units of conventional design. The paper is focused especially on using traction units with tilting system within a selected regional transport section when analyzing the operational and technical characteristics and comparison of time savings after these units deployment.

The use of simulation modelling for determining the capacity of railway lines in the Czech conditions

“…These results were compared with those obtained by the method described in literature [19,20]. A total of twelve train pairs was selected for the headway calculation.…”

Use of Technological Diagnosis in Rail Vehicle Engines Maintenance

“…The rail traffic schedule is disrupted, which has an indirect economic effect. When we replace diesel multiple units from the 812 series with locomotive 754 + heavy construction wagons or DMJ 861, it maximizes fuel consumption [20]. For comparison, the consumption of DMU 812 is 191 g kWh -1 , in the case of DMU 861, it is 199 g kWh -1 , 224 g kWh -1 for HKV 754.…”

Train Location Detection Methods used in the Czech Republic

“…These are series and parallel circuits. Both types work on the principle of the magnitude change in electric current that take place in electrical circuit [7]. The components of track circuit consist of source of electric energy Z, adjustable resistor and a relay with internal safety J.…”

“…In the case that a railway vehicle enters the monitored section, the circuit is closed by means of conductive axle of the vehicle (so-called conducting bridge is created). Electric current then starts to flow in the circuit, which causes attraction of the armature that connects and sends the information on the occupancy of the section [7]. When the vehicle exits the track section, the circuit is open and the armature drops out due to gravitation and the relay sends the information of the vacancy of the section.…”