Electromagnetic Interference (EMI)
IBEX 2011Speakers:David Gratton- Martek-Palm Beach, FLJohnny Lindstrom- Westport Shipyard, WAElectromagnetic Interference (EMI)Property of the NMEA. Shall not be copied or Overview EMI Troubleshooting EMI Prevention with Proper Cabling & Terminations Lightning Protection Corrosion GroundingProperty of the NMEA. Shall not be copied or Interference Unwanted Periodic Signal/Energy One person s signal is another person s EMI. Interrupts, Obstructs, Degrades, or Limits Equipment PerformanceProperty of the NMEA. Shall not be copied or Interference Radiated Emissions RF Energy That Reaches Susceptible Equipment via Broadcast Conducted Emissions RF Energy That Reaches Susceptible Equipment via Common ConnectionsProperty of the NMEA. Shall not be copied or Propagation Radiated Emissions Signals/Energy that Reaches Susceptible Equipment via Broadcast Radiated Power Decreases by Distance Squared Conducted Emissions Signals/Energy that Reaches Susceptible Equipment via Common Connections Combined Modes Signals/Energy that Propagates via Cable Connections that then Become Signal RadiatorsPropert
• Galvanic Corrosion – Corrosion from Electric Current Flow between Connected but Dissimilar Metals in the Same Electrolyte Refer to ABYC E-11 — AC & DC Electrical Systems on Boats for more information
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