22nd International Conference “Electromagnetic Disturbances EMD’2012”: Recent submissions
Now showing items 21-35 of 35
-
Disturbances in the controlled variable speed drive
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)Induction machines (IM) are generally used as motors for many industrial applications due to its simple construction and reliable operation. Proposed motor model is developed in a synchronous rotating reference frame. Fixed ... -
Distributed impedance as terminating load at GTEM cell
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)This paper deals with possible improvements of GTEM cell parameters to obtain such parameters of the electromagnetic (EM) field that allow the use of GTEM cell for metrological purposes, mainly for calibration of sensors ... -
Intermediate frequency noise in and from electrical power network in modern working places
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)This study presents the measurement results of high frequency noise in mains electrical system in workplaces. Measurements were taken both directly connected to the mains power network and from inside the facilities by ... -
Automated synthesis method for inhomogeneous delay systems using artificial neural networks
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)All new microwave devices, including delay systems, are designed by using computer-aided design systems which are managed by specialized software packages. Automated simulation of microwave devices using analytical and ... -
Current situation in the frequency range from 2 to 150 kHz with regard to electromagnetic compatibility
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)The frequency range from 2 to 150 kHz represents a relative gap in the sphere of electromagnetic compatibility as far as the standardization related to compatibility levels, emission limits and immunity levels is concerned. ... -
Technical aspects of electricity meters immunity tests against continuous HF disturbance
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)The paper is oriented to immunity testing of power meters with pulse output against continuous high frequency (HF) disturbance according to technical standards EN 61000-4-3 and EN 61000-4-6. By this testing it is a problem ... -
Stationary regime model of asymmetrical line
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)After occurrence of circuit in any place of a power ldinises,y ma mcoemtripcuatla tisohnoarlt scheme is augmented with an additional node. Such changes in the scheme complicate the structure of the algorithm. This paper ... -
Computer aided investigation of magnetic fields induced by CFL electronic ballasts
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)The investigation results of magnetic fields induced by compact fluorescent lamp electronic ballasts are presented. For the investigation the high definition audio system of portable personal computer and spoafctkwaagree ... -
Separation of traction and non-traction power consumption by means of modeling
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)Modeling makes it possible to isolate the traction consumption from other energy consumers. The paper deals with model creation, finding values of the voltage unbalance factor and comparison of modeling results with measured data. -
Modelling of coaxial cable behavior in EMI measurement
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)The most problematic parts of tested equipment at EMI measurement are connected cables, which may be of different types. This paper deals with investigation of coaxial cable behavior. Analysis is based on numerical modeling. ... -
Time domain assessment of electromagnetic disturbances due to artificial ESD in the presence of field and current sensors
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)According to EN 61000-4-2 standard, for indirect discharge immunity testing, horizontal coupling plane is used in combination with contact discharge technique to increase repeatability of test result. By this test the ... -
Improving the shielding effectiveness of a metallic enclosure with aperture under electromagnetic pulse
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)An efficient and practical method to enhance the shielding effectiveness of a rectangular enclosure with aperture against electromagnetic pulse (EMP) is presented. In this paper an extra aperture as a matched load instead ... -
The analysis of the influence of adjacent radio stations positions on total electromagnetic field intensity observed near the projected BS
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)Development of new cellular networks and introduction of new base stations should conform to regulatory documents, regulating the amount of total electromagnetic field intensity. The estimation of total electromagnetic ... -
Creation of system of fields in the primary transducer of NMR-flowmeter
(22nd International Conference “Electromagnetic Disturbances EMD’2012”, 2012)The article is devoted to the problems of constructing label NMR consumption indicators of the temporary phylum. The article considers the major theoretical and practical issues which were the basis for constructing the ...