Electromagnetic compatibility (EMC) is a particularly complex issue in railway technology. Enotrac has highly specialised knowledge and expertise, particularly in the area of compatibility between signalling systems and vehicles and between vehicles and traction power supply.
Control technology relies on microprocessors, while sensitive high-frequency technology is used for signalling systems and radio. All these functions must work reliably and safely – the challenge is that they are positioned in the immediate vicinity of powerful converters, machines, switches and pantographs. In addition, it must be ensured that railway technology systems do not interfere with the operation of sensitive third-party equipment (such as in medical facilities).
Enotrac provides proof of electromagnetic compatibility and the compatibility of vehicles with third-party systems such as the power supply or safety systems. Internally developed simulation and calculation tools are used for theoretical investigations. Network calculations, for example, are carried out using FABEL, a software tool developed by Enotrac for the operational simulation of catenary-bound traffic systems. Using these calculations it is possible to determine whether the frequency response of the traction converter of vehicles is compatible with the network resonance frequencies of a traction current supply network.
In addition, tests and measurements are carried out on the systems to validate and supplement the theoretical evidence. Vehicle manufacturers can count on competent support from the Enotrac specialists in the preparation of the EMC report when introducing new components. The implementation of all relevant standards such as EN 50121, EN 50238, EN 50388, the TSI Energy and the NISV is guaranteed.
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