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2008 International Symposium on Electromagnetic Compatibility - EMC Europe最新文献

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Fast and accurate evaluation of the underground lightning electromagnetic field 地下雷电电磁场的快速准确评价
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786922
A. Andreotti, D. Assante, F. Mottola, L. Verolino
{"title":"Fast and accurate evaluation of the underground lightning electromagnetic field","authors":"A. Andreotti, D. Assante, F. Mottola, L. Verolino","doi":"10.1109/EMCEUROPE.2008.4786922","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786922","url":null,"abstract":"Underground cables and devices may be very sensible to underground lightning electromagnetic field, especially if connected to power electronic systems. The underground lightning electromagnetic field can be analytically expressed in terms of Sommerfeld integrals, whose rigorous calculation requires a valuable computational effort. Approximate expressions and numerical approaches have been proposed to quickly evaluate such integrals. In this paper, we present an efficient procedure for the numerical evaluation of these integrals. The proposed method, originally developed in a form suitable for the evaluation of the Green function for layered media, is here developed for underground lightning electromagnetic field calculation. The method is essentially based on the analytical extraction of asymptotic part of the integrals and on a rational fitting of the remaining part, using a total least square algorithm. The method allows a fast evaluation of the underground lightning electromagnetic field in time domain, since hundreds of frequency samples can be computed per second. Finally, since the distance can be factorized in the fitting procedure, the method is also highly effective in the evaluation of the coupling between the lightning electromagnetic field and buried cables.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124475958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Return via connections for extending signal link path bandwidth of via transitions 返回通过连接扩展信号链路路径带宽的通过过渡
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786874
Xin Chang, B. Archambeault, M. Cocchini, F. de Paulis, V. Sivarajan, Yaojiang Zhang, J. Fan, S. Connor, A. Orlandi, J. Drewniak
{"title":"Return via connections for extending signal link path bandwidth of via transitions","authors":"Xin Chang, B. Archambeault, M. Cocchini, F. de Paulis, V. Sivarajan, Yaojiang Zhang, J. Fan, S. Connor, A. Orlandi, J. Drewniak","doi":"10.1109/EMCEUROPE.2008.4786874","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786874","url":null,"abstract":"This paper discusses a fast and accurate way to assess the impact of signal vias where the return current must change reference planes, including the effect of a return current via placed various distances from the signal via. The equivalent circuit includes capacitance of the via anti-pad as well as cavity effects.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124894030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Radiated emission from the slot of a slim cubical enclosure with multiple sources inside 从内部有多个源的细长立方体外壳的狭缝中发射的辐射
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786873
C. Poschalko, S. Selberherr
{"title":"Radiated emission from the slot of a slim cubical enclosure with multiple sources inside","authors":"C. Poschalko, S. Selberherr","doi":"10.1109/EMCEUROPE.2008.4786873","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786873","url":null,"abstract":"An efficient analytical model for the prediction of the radiated emission from the slot of a slim cubical enclosure with multiple sources inside is developed. We use this model to obtain the far field diagrams and the radiated power at the resonance frequencies, where emission becomes dominant. The radiated power from the slot of the enclosure depends on the number of sources, on their locations, amplitudes, and phase relations, even at low frequencies below the first resonance. We present the radiated power for some cases with one and two sources inside the enclosure. The analytical formulations allow to analyze the field distribution inside the enclosure and the radiated emission, which may be used to obtain placement and layout rules for critical components.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123018662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new formalism for the analysis of electromagnetic coupling between the lightning and a complex network of lines or cables 雷电与复杂线路或电缆网络之间电磁耦合分析的一种新形式
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786864
S. Mezoued, B. Nekhoul, K. Kerroum, K. Drissi
{"title":"A new formalism for the analysis of electromagnetic coupling between the lightning and a complex network of lines or cables","authors":"S. Mezoued, B. Nekhoul, K. Kerroum, K. Drissi","doi":"10.1109/EMCEUROPE.2008.4786864","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786864","url":null,"abstract":"In this paper we propose a new formalism for the analysis of electromagnetic coupling between the lightning wave and a complex network of lines or cables. This approach allows obtaining induced currents and voltages directly on the all network nodes (junctions and extremities). For this objective we represent the lightning wave by current generators. Then by using a mathematical formulation based on the topological analysis of a network, we deduce a linear matrix equation which resolution leads directly to the induced currents and voltages. In order to confirm our theoretical work, we present some applications that allow validating this formalism.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129834591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Influencing factors and possible improvements for emission measurements above 1 GHz 1 GHz以上发射测量的影响因素和可能的改进
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786861
S. Battermann, H. Garbe
{"title":"Influencing factors and possible improvements for emission measurements above 1 GHz","authors":"S. Battermann, H. Garbe","doi":"10.1109/EMCEUROPE.2008.4786861","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786861","url":null,"abstract":"The actual extension of the frequency range above 1 GHz changes the requirements for the measurement equipment and procedure. This paper deals with the emission measurement method in the fully anechoic chamber that is still under discussion in standardization committees (CISPR/A/WG2). Some measurement actions have been started by the German CISPR committee (DKE 767.4.1). The intention was to detect the deviation between the real maximal electrical field strength obtained by a nearly spherical scan versus the currently used planar scan. Therefore the influence of the angle increment of the turntable scan and the antenna height scan has been examined in detail. Furthermore different antennas have been compared. The results will be presented together with the theoretical background to derive improvements of the measurement procedure.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129852735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Experimental evaluation of the conversion of emission results obtained from a Reverberation Chamber measurement and a SAR measurement 从混响室测量和SAR测量中获得的发射结果转换的实验评估
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786919
N. van Dijk, K. Banerjee
{"title":"Experimental evaluation of the conversion of emission results obtained from a Reverberation Chamber measurement and a SAR measurement","authors":"N. van Dijk, K. Banerjee","doi":"10.1109/EMCEUROPE.2008.4786919","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786919","url":null,"abstract":"The reverberation chamber (RC) method has many advantages above the semi anechoic room (SAR) method. The RC method is specifically useful to measure emissions at high frequencies (>1 GHz). This is an important property when we consider the trend of increasing operating frequencies of products and wireless applications. Furthermore, the RC method is useful for immunity tests, where we only need moderate power for generating suitable test levels. However, when different methods are used, the topic of conversion arises. In this paper, we specifically consider practical evaluation of the conversion factor of emission results of a CISPR 22 system-test EUT configuration. In addition, we investigate the practical conversion factor of an artificial EUT. From these evaluations, it could be concluded that the RC method is suitable for performing compliance emission measurements and that a conversion factor of around 4 dB is applicable.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129344766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Numerical investigation of the induced voltage on a cable placed at random locations inside a metallic enclosure 金属外壳内任意位置电缆感应电压的数值研究
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786891
L. Nuño, C.L. Holloway, P. Wilson
{"title":"Numerical investigation of the induced voltage on a cable placed at random locations inside a metallic enclosure","authors":"L. Nuño, C.L. Holloway, P. Wilson","doi":"10.1109/EMCEUROPE.2008.4786891","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786891","url":null,"abstract":"In this paper, we investigate the induced voltage on a cable when placed at random locations inside a metallic enclosure. The analysis consists of a cable of defined length and fixed terminals, but different layouts, placed in a metallic enclosure containing an aperture. The induced voltages for the different layouts are computed for a plane wave incident on the aperture. A second analysis is performed with no cable (i.e., an empty enclosure) and the results are compared to those for the cable present. The results are compared to the resonance frequencies of the closed cavity and the aperture.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129513046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Design methodology for PDN synthesis on multilayer PCBs 多层pcb上PDN合成的设计方法
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786872
B. Archambeault, M. Cocchini, G. Selli, J. Fan, J. Knighten, S. Connor, A. Orlandi, J. Drewniak
{"title":"Design methodology for PDN synthesis on multilayer PCBs","authors":"B. Archambeault, M. Cocchini, G. Selli, J. Fan, J. Knighten, S. Connor, A. Orlandi, J. Drewniak","doi":"10.1109/EMCEUROPE.2008.4786872","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786872","url":null,"abstract":"This paper's goal is to help designers go through a step-by-step process to design the decoupling strategy for the charge supply. The distance to the decoupling capacitors, the number of decoupling capacitors, and the inductance associated with the connection of the decoupling capacitor to the power and ground-reference planes will all influence how much charge is delivered.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121657568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Accreditation of radiated emission tests performed on train and complete vehicle 在火车和整车上进行的辐射发射测试的认证
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786796
B. Audone, A. Gaggelli, P. Masini, S. Neri
{"title":"Accreditation of radiated emission tests performed on train and complete vehicle","authors":"B. Audone, A. Gaggelli, P. Masini, S. Neri","doi":"10.1109/EMCEUROPE.2008.4786796","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786796","url":null,"abstract":"In this paper the ISO/IEC 17025 accreditation requirements relevant to radiated emission tests performed according to parts 2 and 3.1 of norms EN 50121 and IEC 62236 are discussed. This is particularly difficult due to the unconventional nature of test environment, not only because tests are performed outdoors but mainly because radiated emissions from system under test shall be measured while it is moving. Test procedure, calibration of test equipment and calculation of uncertainty are discussed and the solutions adopted to comply with the accreditation requirements are presented.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126093572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Evaluating uncertainties of susceptibility tests using simulation tools 利用模拟工具评估药敏试验的不确定性
2008 International Symposium on Electromagnetic Compatibility - EMC Europe Pub Date : 2008-09-01 DOI: 10.1109/EMCEUROPE.2008.4786820
C. Cantaluppi, B. Audone
{"title":"Evaluating uncertainties of susceptibility tests using simulation tools","authors":"C. Cantaluppi, B. Audone","doi":"10.1109/EMCEUROPE.2008.4786820","DOIUrl":"https://doi.org/10.1109/EMCEUROPE.2008.4786820","url":null,"abstract":"The idea proposed in this paper is to relate susceptibility uncertainty to the cause generating it, which corresponds to the conducted or radiated signal injected into the equipment under test (EUT). But even with this simplification there are still problems mainly due to the need to perform repetitive tests, which are not compatible with the cost implications involved. Simulation tools using Monte Carlo analysis can offer a valid alternative to determine the uncertainty of susceptibility tests.","PeriodicalId":133902,"journal":{"name":"2008 International Symposium on Electromagnetic Compatibility - EMC Europe","volume":"188 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124167218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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