EC6011 COMPATIBILITY
ELECTROMAGNETIC ELECTROMAGNETIC INTERFERENCE AND LTPC 3 0 0
3 OBJECTIVES: • •
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To To tutor the basics basics of EMI, EMC EMC To To instill knowledge knowledge on the EMI coupling mechanism and its mitigation mitigation techniques To To impart comprehensive comprehensive insight insight about the current current EMC standards standards and about various measurement techniques
UNIT I
BASIC THEORY 8
Introduction Introduction to EMI and EMC, Intra and inter system EMI, Elements of Interference, Sources and ictims of EMI, Conducted and !adiated EMI emission and susceptibility, Case "istories, !adiation ha#ards to humans, arious issues of EMC, EMC Testing categories, EMC Engineering $pplication% UNIT II
COUPLING MECHANISM 9
Electromagnetic &eld sources and Coupling paths, Coupling via the supply network, Common mode coupling, 'i(erential 'i(erential mode coupling, Impedance coupling, Inductive and Capacitive coupling, !adiative coupling, )round loop coupling, Cable related emissions and coupling, Transient sources, $utomotive transients% UNIT III
EMI MITIGATION MITIGATION TECHNIQUES 10
*orking principle of Shielding and Murphy+s aw, - Magnetic shielding, $pertures and shielding e(ectiveness, Choice of Materials for ", E, and free space &elds, )asketting and sealing, .C/ evel shielding, .rinciple of )rounding, Isolated grounds, )rounding strategies for arge systems, )rounding for mi0ed signal systems, -ilter types and operation, Surge protection devices, Transient protection% UNIT IV 9
STANDARDS AND REGULATION
1eed for Standards, )eneric2)eneral Standards for !esidential and Industrial environment, /asic Standards, .roduct Standards, 1ational and International EMI Standardi#ing 3rgani#ations4 IEC, $1SI, -CC, $S215S, CIS.!, /SI, CE1EEC, $CEC% Electro Magnetic Emission and susceptibility standards and speci&cations, MI678E Standards% UNIT V
EMI TEST METHODS AND INSTRUMENT INSTRUMEN TATION 9
-undamental -undamental considerations, considerations, EMI Shielding e(ectiveness tests, 3pen &eld test, TEM cell for immunity test, Shielded chamber , Shielded anechoic chamber, EMI test receivers, receivers, Spectrum analy#er, EMI test wave simulators, EMI coupling networks, ine impedance stabili#ation networks, -eed through capacitors, $ntennas, Current probes, MI 9ST' test methods, Civilian ST' test methods% TOTAL: 4 PERIODS OUTCOMES: :pon completion of the course, students will be able to; -ind solution to EMI Sources, EMI problems in .C/ level 2 Subsystem and system level design% To To measure emission immunity immunity level from from di(erent systems systems to couple couple with the prescribed EMC standards •
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TE!T BOO":
8% Clayton .aul, ??7 REFERENCES:
8% .rasad @odali, ??8% >% "enry *% 3tt, ??% D% 'aryl )erke and *illiam @immel, ??>% 6% * Scott /ennett, ??H%
