( )Engineering Information Abstracts Part I492

composites are presented to discuss, in detail, the effects ofvarying the observation distance, number of layers, laminathickness, fiber conductivity, and fiber orientation pattern.Comparison with the measured results and the previous pub-lished ones are also included to confirm the accuracy of this

Ž .proposed model. In English Author abstract 15 Refs.Keywords: Electromagnetic compatibility; Electromagneticshielding; Electromagnetic wave reflection; Laminated com-posites; Fiber reinforced plastics; Electromagnetic fields; Ma-trix algebra; Electric conductivity of solids

Title: TEST-LAB SECRETS TO FIRST-TIME COMPLIANCE( )Author s : O’Shea, Paul

Source: EE: Evaluation Engineering v 36 n 11 Nov 1997. A.Vernon Nelson Associates Nokomis FL USA. 9p ISSN: 0149-0370 CODEN: EVENAEPublication Year: 1997Abstract: The trend of cramming more functionality intosmaller and smaller packages for today’s high-speed electronicproducts presents a challenge to meet global emission andimmunity standards. To meet these standards, measurementprocedures, problem-solving techniques, and a collection ofremedies are needed. Some points in the design process areconsidered including the selection and implementation of

Ž .electromagnetic compatibility EMC standards, interfacechoices, cable types, cabinets, chip technologies, and clockrates. If meeting the EMC specifications solves filtering prob-lems, the EMC test lab should give advise accordingly. How-ever, if the fix appears to need a redesign, the lab shouldrecommend consultants to the designer. In EnglishKeywords: Printed circuit testing; Electromagnetic compatibil-ity; Standards; Printed circuit design; Personal computers;Electric discharges; Electronics packaging; Air pollution con-trol; Industrial emissions; Computer circuits

Title: HOW TO CONCILIATE DEMAND SIDE MANAGE-MENT AND ELECTROMAGNETIC COMPATIBILITY?

( )Author s : David, Alain; Lachaume, Jacques; Rioual, Pascal;Bisson, MichelSource: Proceedings of the 1997 14th International Confer-ence and Exhibition on Electricity Distribution, CIRED. Part

Ž .1r5 of 7 Jun 2-5 1997 n 438 pt 1r5 Birmingham, UK. 7 IEEStevenage Engl. p 5.25.1-5.25.6 ISSN: 0537-9989 CODEN:IECPB4Publication Year: 1997

Ž .Abstract: Electricite de France EDF performed a number ofresearch and development investigations to solve the problemof compatibility of equipment with the network to conciliateservices on energy savings and power quality corresponding tothe needs of customers and to offer quality of electricity and

Ž .demand side management DSM services. The research anddevelopment efforts focused on evaluating the impact in termsof electromagnetic compatibility of a large group of CFLs onpublic distribution systems. The EDF DSM customer servicefocused on drives for the industry which systematically in-

cludes a compatibility study of any new drive within thenetwork. In English 9 Refs. EI Order Number: 97123957690Keywords: Electric Load management; Electromagnetic com-patibility; Electric utilities; Electric drives; Electric lighting;Standards; Fluorescent lamps; Electric power system protec-tion

Title: SHIELDING METHODOLOGY: HOW TO MEET EMCREQUIREMENTS

( )Author s : Ross, GeorgeSource: Compliance Engineering v 14 n 5 Sep-Oct 1997.Compliance Engineering Andover MA USA. p 83-88 ISSN:0898-3577 CODEN: CENGE3Publication Year: 1997Abstract: Enclosure shielding provides electromagnetic com-

Ž .patibility EMC by suppressing both radiated and conductedŽ .electromagnetic interference EMI . This interference may be

in the form of radio waves, or it may enter and leave anenclosure through electrical conductors such as those thatcarry signals and power. An EMC enclosure also protects theinternal electricalrelectronic portion of equipment from high

Ž .voltage electrostatic discharge ESD . Effective shielding notonly prevents electromagnetic emissions from exiting a device,it also blocks external sources of interference that mightimpede operation of the equipment. An enclosure’s shieldingmust therefore be tested to assess its suitability for the equip-ment’s requirements. In English EI Order Number:97103862868Keywords: Electromagnetic compatibility; Electric shielding;Electric discharges; Electromagnetic wave interference; Elec-tromagnetic wave transmission; Electromagnetic wave absorp-tion; Ventilation; Enclosures; Electric equipment protection;Electromagnetic wave emission; Gaskets

Title: EMI SHIELDING - COMMON PROBLEMS ANDCONTAINMENT STRATEGIES

( )Author s : Ferraris, Louis; Wu, Chang-YuSource: Proceedings of the 1997 International Symposium onElectromagnetic Compatibility, EMC May 21-23 1997 Beijing,China. Sponsored by: IEEE Piscataway NJ USA. p 86-89ISSN: 0190-1494 CODEN: IISPDCPublication Year: 1997Abstract: This discussion focuses on the sources and contain-ment strategies for EMI. The operation of all electrical andelectronic devices involves the changing of voltage or currentlevels either intermittently or continuously, sometimes at veryfast rates. This results in the development of electro-magneticenergy at discrete frequencies as well as over frequency bands.The circuit will radiate this energy into the surrounding areaand also into the wiring emerging along the external power,signal and control lines. It is this electro-magnetic energywhich must be contained to meet international standards such

Ž . Ž .as FCC U.S. or EC Directive Europe . A gasket is requiredwhen the gaps, slots and holes around the connectorrmetalplate interface are such that they allow excessive radiation of

( )Engineering Information Abstracts Part I 493

the internally generated electro-magnetic frequencies, and ifsuch radiation causes theequipment to emit electro-magneticinterference or is susceptible to such interference outside of

Ž .the permitted levels. In English Author abstract EI OrderNumber: 97093840848Keywords: Electromagnetic wave interference; Electromag-netic shielding; Bandwidth; Electromagnetic compatibility;Standards

Title: CALIBRATION METHOD AND DEVICE OF SUR-FACE CURRENT PROBE

( )Author s : Tang, Shiping; Jiang, QuanxinSource: Proceedings of the 1997 International Symposium onElectromagnetic Compatibility, EMC May 21-23 1997 Beijing,

China. Sponsored by: IEEE Piscataway NJ USA. p 130-133ISSN: 0190-1494 CODEN: IISPDCPublication Year: 1997Abstract: This paper presents the calibrating method anddevice of surface current probe used in EMC measurement.In this kind of method parallel-plate transmission line is usedto establish known, uniform surface current and determinethe transfer impedance of surface current probe. This paperprovides the experimental data and graphs, analyzes uncer-

Ž .tainty of measurement. In English Author abstract 5 Refs.EI Order Number: 97093840859Keywords: Electromagnetic field measurement; Electromag-netic compatibility; Telecommunication lines; Mathematicalmodels; Calibration