EFC-400LF – Low Frequency

Power Transmission Lines and Terminal Stations

Electric and Magnetic Field - Calculation according to VDE 0848

'EFC-400LF’ is a Windows

- pro-gram, which has been developed for calculation purposes of electric and magnetic fields caused by energy distribution facilities. The general usage extends from checking critical values of electromagnetic compatibil-ity and prevention of health hazards to collection of data for field catasters. EFC-400LF can calculate field distributions of: Power Transmission Lines Power Stations / Substations Terminal Stations Earth Cable

Fig.: magnetic field of terminal stations

Cat Wires of Tram and Railway In order to construct power transmis- sion lines, it is possible to select towers and system configurations from libraries. In case of modifying the construction, such as movement of towers, EFC-400LF calculates new configurations of conductors auto-matically. Urban Railway and Subway Ship and Aeroplane Supply Further important features of EFC-400LF are high speed calculation and a comfortable user interface. Predefined elements like towers, switch gears, transformers, etc. enable a very efficient construction of geometry based on topographic information.

Fig.: influence of vegetation and houses

The amount of simultaneous calcula- tion points is restricted only by hard disk capacity and the high calculation speed offers a workstation-like per- formance. EFC-400LF supplies export professional filters for DXF- and ASCII-files, for further processing of data with soft-ware for presentation, statistics, CAD or GIS.

Fig.: measurement data in power stations

Field sources with different frequen-cies (0 - 500 Hz), such as railway or urban railway, can be considered. Comparison with measurement data is possible, while the data can be interpolated.

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