On-site EMC testing for railways — The ins and outs of live measurements

On-site Electromagnetic Compatibility (EMC) measurements are an important part of verification of the EMC Management Process. We will look first at the EMC management process and how this leads to a requirement for on-site testing; this is often approached from a risk-based perspective. The legislation and standards that will be used in order to get the project to completion will also be discussed. We will then investigate the ins and outs of on-site testing, looking at some of the phenomena that are covered well, and some that are not. As well as radiated emissions testing, we will also investigate the methodology of making a lineside measurement on cables to obtain levels of induced voltage, and DC stray Current measurements on buried structures.