To train the participant on the dynamics of electro magnetic interference and their mitigations in railway applications
Duration & Course Accessibility
Why one should attend
Who should attend
- Why EMC engineering is key in the design and delivery process.
- The reasons why the railway is a harsh EMI (Electromagnetic Interference) environment.
- Understanding basic EMC terminology.
- Real world sources of EMI.
- Navigating through EMC Standards.
- EMI coupling mechanisms.
- Examples of EMI interference.
- EM waves and shielding fundamentals.
- Harmonics, what are they and how are they produced? (Graphical Fourier Series).
- EMC and Power Quality.
- EMC Zoning.
- Variable Speed Drives – an EMI threat? How to produce an EMC compliant design using VSDs.
- EMC management and key deliverables; The EMC Control Plan and the EMC Technical File.
- Faraday Induction and Common Mode (CM) EMI.
- How to read a spectrum analyser.
- Filtering principles and practices.
- The ubiquitous RS485 Link (Real world EMI).
- Data errors from noise, BER, and data corruption from EMI.
- Pigtails and screening cables.
- Building Management Systems and EMI.
- Crosstalk between cables.
- Techniques to reduce crosstalk.
- Pulse width Modulation – What is it ?
- An example of a PWM signal.
- Earthing system contamination current arising from VSD installations.
- Designing a robust earthing system for VSDs.