Heavy rail

Electromagnetic impact – modelling and expertise

Study the electromagnetic compatibility of railway infrastructure projects from the design phase.

Objectives

  • Model existing systems in order to simulate electromagnetic interference
  • Assess dysfunctional facilities
  • Define methods of protecting employees with regard to electrical hazards and electromagnetic protection of equipment in accordance with standards and legal texts
  • Optimize electric traction and traction return systems as well as earthing networks

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Test
facilities

  • ARCVIEW: Mapping software
  • Caryn: SNCF plug-in for the GIS ArcMap® software that calculates the influence of one circuit on another.
  • ModRGT and Graphcapture: Exploitation and interpretation of results
  • Modalf: Calculation of current and voltage at any point of a multicore model representing a rail system
  • CEPS: Helps estimate increase of soil voltage levels due to electricity pylons located near the railway line

Our
references

Satisfied customers

CTRL (Channel Tunnel Rail Link)
COSEA
OCVIA Construction
CANARAIL (Canada)
SETEC
SYTRAL

Norms

- EN 50121-2 -

Electromagnetic compatibility - Part 2: Emission of the whole railway system to the outside world

- EN 50443 -

Effects of electromagnetic interference on pipelines caused by high voltage AC electric traction systems and/or high voltage AC power supply systems

- EN 61000-2-12 -

Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems

- EN 50121-1 -

Electromagnetic compatibility - Part 1: General

- IN 399 -

Single-phase AC power line - Provisions to be applied to protect against the dangers from 25,000 V 50 Hz current

- CEN TS 15280 -

Evaluation of AC corrosion likelihood of buried pipelines - Application to cathodically protected pipelines

- Volumes II to VII, IUT-T Directives -

Protection of telecommunications lines against the harmful effects of electrical power and electrified railway lines, Geneva edition, 1999

- IUT-T K.68 -

Management of the electromagnetic interference on telecommunication systems caused by
power systems

- French interministerial order of 17 May 2001 -

Technical conditions to be met by energy distribution

- French decree No. 2002-775 -

Regarding limit values for public exposure to electromagnetic fields

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