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Advanced Engineering 2020

NEC, Birmingham(B40 1NT)

04/11/2020 - 05/11/2020

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

Drives & Controls Exhibition

NEC, Birmingham(B40 1NT)

25/01/2021 - 27/01/2021

The show brings together key suppliers of state-of-the-art equipment representing the multi-tasking culture (more)

EMC shields for hybrid propulsion systems

EMC shields for hybrid propulsion systems The hybridisation of drives has resulted in a massive increase in the number of electrical and electronic components in vehicles. In addition to the sensors, actuators, and communication systems that have been in use for quite some time now, the advent of hybrid drives means that additional electric motors, generators, high-voltage converters, accumulators, and high-performance capacitors are now also needed. This in turn means that the sources of electromagnetic radiation and the risk of interference have increased dramatically. Already, malfunctions caused by electromagnetic radiation are occurring both during vehicle development and even after series launch. This means that the shielding of electronic systems and components must be much more effective in the future. Generally speaking, such electronic systems in vehicles have to be protected not only against electromagnetic interference, but also against environmental influences. In conventional solutions, an elastomer seal shields sensitive parts against water, dust and oil, while an electrically conductive Faraday cage comprising a metal housing and a separate metallic cloth band that is parallel to the sealing surface provides electromagnetic shielding. By developing conductive elastomers, Freudenberg Dichtungs- und Schwingungstechnik has now succeeded in integrating both of these shield functions directly into the seal.

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