2002 IEEE International Symposium on Electromagnetic Compatibility
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Các bài báo tiêu biểu
A study of solutions to EMI of computer monitoring and control system in hydropower plant
Tập 2 - Trang 716-720 vol.2
Hydropower plant is a large energy conversion location, which suffers strong EMI. Its computer monitoring and control system works under a bad electromagnetic environment. Aiming at raising its ability against EMI, this paper makes a study on the solutions with the applications of some basic EMC techniques. The generator busbar, primary device, auxiliary equipment and transmission line are discuss......
#Electromagnetic interference #Computerized monitoring #Control systems #Hydroelectric power generation #Energy conversion #Application software #Electromagnetic compatibility #Transmission lines #Computer networks #Protection
Electromagnetic compatibility issues of variable speed drives
Tập 1 - Trang 308-313 vol.1
The paper is focused on the adverse effects of variable speed drives (VSD). The harmonic components of converter's taken current are investigated. The paper also deals with transient motor overvoltage. A very important part of the analysis is a model of the system, especially determination of motor high frequency characteristics. Several representations (one-phase and three-phase) of the motor and......
#Electromagnetic compatibility #Variable speed drives #AC motors #Power harmonic filters #Traction motors #Power system harmonics #Frequency conversion #Rectifiers #Voltage control #Power cables
How does IEC SC77B handle different radiated immunity test methods and what is the present status
Tập 1 - Trang 359-363 vol.1
Three basic test methods for evaluating the immunity of electronic products to radiated radio-frequency electromagnetic energy are recognized within IEC SC77B. These methods are described. How they are handled within the IEC is explained. The present status of IEC standards documents relative to these test methods is discussed.
#Electronic equipment testing #IEC standards #Electronic equipment #Immunity testing #Radio frequency #Electromagnetic radiation #Electromagnetic compatibility #Electromagnetic waveguides #Polarization #Dipole antennas
2002 IEEE International Symposium On Electromagnetic Compatibfflty [front matter]
Tập 2 - Trang i-xiv - 2002
Conference proceedings front matter may contain various advertisements, welcome messages, committee or program information, and other miscellaneous conference information. This may in some cases also include the cover art, table of contents, copyright statements, title-page or half title-pages, blank pages, venue maps or other general information relating to the conference that was part of the ori......
Reduction of co-channel interference in a mobile system by antenna parameter optimization
Tập 1 - Trang 303-307 vol.1
This paper presents a technique, which is based on optimizing the cell antenna parameter to obtain an improved radiation pattern, which will in turn reduce cochannel interference. Parameter optimization is done using an artificial neural network (ANN). Carrier to interference ratio (C/I) is predicted using the optimized parameter of the cell antenna and then compared with those obtained using the ......
#Interchannel interference #Mobile antennas #Base stations #Mobile handsets #Artificial neural networks #Predictive models #Radio frequency #Weather forecasting #Antennas and propagation #Antenna radiation patterns
Insertion loss measurement of a ferrite clamp used in the CISPR 22 radiated emission measurements
Tập 1 - Trang 6-11 vol.1
The CISPR published an amendment to CISPR 22 for requesting ferrite clamps attached on EUT cables and specified the insertion loss of the clamps. But there are no specifications for the insertion loss measurement. Hence, theoretical and experimental investigations have been carried out to develop an appropriate measurement method with requisite measuring instruments. A 150 /spl Omega/ instrument c......
#Loss measurement #Insertion loss #Ferrites #Clamps #Instruments #Impedance measurement #Displacement measurement #Position measurement #Cables #Measurement uncertainty
EMC and functional safety, impact of IEC 61000-1-2
Tập 1 - Trang 353-358 vol.1
The IEC Technical Specification called: "Methodology for the achievement of functional safety of electrical and electronic equipment with regard to electromagnetic phenomena" is clarified. This document is based on the work of three Technical Committees of the IEC: TC77 with regard to the EMC aspects, SubCommittee 65A with regard to the basic safety considerations and TC 56 with regard to the asse......
#Electromagnetic compatibility #IEC standards #Product safety #Safety devices #Spaceborne radar #Communication switching #Electrical safety #Electronic equipment #Degradation #Postal services
AES-X13 and interference-free pro-audio systems
Tập 1 - Trang 434-439 vol.1
The design of large professional audio systems was never trivial, but the increases in the use of digital, switch-mode and wireless technologies have worsened their interference problems. This situation, increasing EMC regulation, and the poor EMC practice of single-point grounding commonly used in the pro-audio industry, encouraged the Audio Engineering Society (AES) to set up working group SC-05......
#Interference #Electromagnetic compatibility #Bonding #Radio frequency #Audio systems #Cable shielding #Communication switching #Cables #Grounding #System testing
Latest developments in SC77C dealing with high power EM transient phenomena
Tập 1 - Trang 364-366 vol.1
TC-5 of the IEEE EMC Society is interested in staying aware of the worldwide work dealing with intentional electromagnetic interference. This paper updates the high-power EM transient phenomena standardization effort underway in Subcommittee 77C of the International Electrotechnical Commission (IEC). This committee is developing environment, protection and testing standards dealing with the distur......
#Electromagnetic transients #Electromagnetic compatibility #Societies #Electromagnetic interference #Standardization #IEC standards #Protection #Testing #Standards development #EMP radiation effects
Tác động tải của EUT đến mức điện trường tối đa trong phòng cộng hưởng cho kiểm tra miễn nhiễm Dịch bởi AI
Tập 2 - Trang 972-975 vol.2
Trong một thử nghiệm miễn nhiễm EMC, điện trường tối đa do cơ sở thử nghiệm tạo ra gây ra nhiều mối quan tâm. Bài báo này trình bày một kỹ thuật để đánh giá tác động tải của EUT (thiết bị thử nghiệm) lên mức điện trường tối đa trong một phòng cộng hưởng. Ảnh hưởng của EUT được nghiên cứu với các độ dẫn điện khác nhau. Từ các kết quả, có thể thấy rằng EUT có thể gây tải mạnh lên phòng cộng hưởng kh......
#Phòng cộng hưởng #Phương pháp lấy mẫu #Mạch RLC #Kiểm tra miễn nhiễm #Độ dẫn điện #Tần số #Tương thích điện từ #Mô phỏng mạch #Phát điện #Đo lường anten