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Interference Technology

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High Power Electromagnetic (HPEM) Threats to the Smart Grid

 

This paper is focused on the threats and impacts of High Power Electromagnetic (HPEM) environments on the U.S. Power Grid and further introduces the implications of making the power grid “smarter” through the introduction of additional electronics. These Smart Grid electronics may introduce additional vulnerabilities if the grid is exposed to the high power EM threats of … [Read more...]

Troubleshooting Radiated Emissions Using Low-Cost Bench-Top Methods

 

Kenneth Wyatt Wyatt Technical Services LLC Editor's Note: Click on the pdf icon at left for a printable copy of this article. Because time-to-market and budget factors often drive many of today’s high-tech designs, electromagnetic compatibility (EMC) issues often surface at the last moment in the design cycle, potentially delaying product introductions. Very often, simple … [Read more...]

Patent for Technology Enhancements to Battlefield Communications Systems

 

Sentel Corp. has been granted a patent by the U.S. Patent and Trademark Office for a technology that is designed to enhance communications reliability in the “fog” of the battlefield by significantly limiting signal interference. The technology employs cryogenics to improve filter performance, which allows the reception of more RF signals in less required spectrum. Learn more … [Read more...]

EMC Business Bulletin – April 20, 2011 – Volume 11

 

EMV Show Review, Europe Market Study Offer Promising Signs There are two key indicators that the European EMC market is showing signs of steady growth this year. 1.       The 2011 EMV Show At the EMV show, which  took place in Stuttgart last month, the number of workshop attendees increased 15% over the last time this event was held in 2009, up from 923 people to 1082. … [Read more...]

EMI Filters Aimed at Solar Cell Installations

 

Grupo Premo has launched a new EMC filter for Photo Voltaic (PV) installations.  The filters allow EMC compliancy for entire PV systems, prevent pre-mature panel aging and reduce installation volume.  These DC filters in PV installations help increase solar panel reliability, increase immunity in the inverter control phase, avoiding electromagnetic interference.Learn more from … [Read more...]

Large Diameter High Temperature Solder-In EMI Filters

 

Spectrum Advanced Specialty Products has added a high temperature version to its solder-in filter product line of 10.16mm (0.400") diameter mounting EMI filters, with a construction able to withstand 300°C. The higher cap values make this filter suited for low to medium impedance circuits where large amounts of capacitance-to-ground can be tolerated.  The large diameter EMI … [Read more...]

New EMC Filter for PV Installations

 

Premo’s FEDC Series is available with ratings from 25Adc to 1500Adc, without terminals up to 150 Adc and screw connections up to 1500Adc. Maximum operational voltage is 1200Vdc. They are available without filter capacitors to ground. PREMO FEDC DC EMC filter meets EN60939, UL1283 EMC requirements and RoHS directive. Their main applications are PV installations, and they can … [Read more...]

Shielded Cabinets Meet MIL-STD-461D for EMC

 

Optima EPS offers shielded cabinets that have been fully tested to MIL-STD-461D specifications for EMC. The shielded cabinets feature a rugged steel or aluminum frame. EMC features include shielded door handles, wrap-foam gasketing around the door with conductive adhesives, EMI filters, copper gasket fingers, and steel-mesh gasket strips. It also features reinforced corner … [Read more...]

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