Analysis and improvement of a spark plug for less radiated electromagnetic emissions

Christoph Marczok,Uwe Maass,Eckart Hoene,Ivan Ndip,Klausdieter Lang, Dennis Hasselberg

Electromagnetic Compatibility（2014）

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摘要

One of the oldest electromagnetic interference (EMI)-source in combustion engine vehicles is the spark plug. It causes interferences problems to surrounding electronic devices in a wide frequency range. In this contribution, this well established technology is extensively characterized and analyzed using a combination of numerical simulation and measurement from 1 kHz to 100 MHz. Based on these results, a perspective is given for an advanced mechanical construction to improve EMI in the aforesaid frequency range by implementing a filter capacitor into the spark plug.

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关键词

capacitors,electromagnetic interference,filters,emi,combustion engine vehicles,electromagnetic emissions,electromagnetic interference source,electronic devices,filter capacitor,numerical simulation,spark plug,electromagnetic interferences,engine,ignition,ignition noise,improvement,reducing electromagnetic emissions,vehicle,capacitance,impedance measurement,impedance,resistors,electrodes

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