Simulation Systems for d. c. and a. c. Railways of light and heavy rail

The SIGNON SINAnet simulation program is used to calculate DC railway systems. The SIGNON WEBAnet program was developed for AC systems. Virtually all kinds of rail power supply systems and different feeding arrangements can be simulated using these two verified programs.

Railway traffic simulation makes it possible to create models of various traffic scenarios for all kinds of trains: those in non -disrupted transport systems such as metro systems, suburban


railways and long-distance DC trains, and those in transport systems that are influenced by traffic lights in public transportation, such as trams and trolley buses.

Furthermore, the corresponding railway traffic simulation processes make it possible to create models for automatic train operation and to synchronize the acceleration and deceleration processes.

SIGNON SINAnet/WEBAnet Programmstruktur
SIGNON SINAnet/WEBAnet program structure (click to enlarge)

SIGNON SINAnet Benutzeroberfläche
SIGNON SINAnet user interface (click to enlarge)

SIGNON WEBAnet Benutzeroberfläche
SIGNON WEBAnet user interface (click to enlarge)

Selected areas of application:

  • Determination of the load flow condition in the power supply network
  • Effect assessments of network configurations, network failures and vehicle types
  • Design of new power supply installations, review of calculations and optimisation of existing installations, including earthing installations
  • Testing the application possibilities of modern rolling stock on existing lines
  • Timetabling and calculation of journey times
  • Optimisation of existing transport systems and those in need of modernization with regard to journey times, traffic technology


    and power supply
  • Evaluation and design of energy storage systems for the efficient utilization of vehicle regenerative braking energy
  • Short-circuit current calculation, voltage drop calculation and maximum current calculation
  • Dimensioning and positioning of charging infrastructures for battery operated vehicles
  • Assessment and recommendation of suitable storage capacities and charging strategies for electric busses on the basis of the existing network and timetables
  • Expert assessments of questions related to electromagnetic compatibility (EMC)

Selected results:

  • Tractive units (condition, tractive force, braking force, speed, acceleration, current, performance)
  • Substations (total current, bus bar voltage, total power, substation connection currents and power leakages)
  • Overhead lines (minimum voltages, maximum currents in relation to time and location, temperature)
  • Total network: energy balance, power transmission losses and specific energy consumption
  • Charging stations (number, distribution, type of connection, electrical dimensions)
  • Battery (Energy storage and performance—output and input, charging strategy, load profile)

Professional evaluation and representation

The results of the simulation are professionally evaluated by the SIGNON GRAPH program: The representation and processing of the value

patterns as well as the statistical evaluation of the results can be carried out efficiently and transparently with SIGNON GRAPH.