نتایج جستجو برای: 2006 high power converters and acdrives new york ieee presswiley interscience2 h abu rub
تعداد نتایج: 17506907 فیلتر نتایج به سال:
This manual has been prepared by or for the Government and, except to the extent indicated below, is public property and not subject to copyright. Reprint or republication of this manual should include a credit Table 2-2. Harmonic currents present in input current to a typical rectifier in per-unit of the fundamental current reprinted with permission from IEEE Std. 519-1981 " IEEE Guide for Har...
Igor L. Kuskovsky,1,2,* Y. Gu,2,† Y. Gong,2 H. F. Yan,2 J. Lau,2,4 I. C. Noyan,2 G. F. Neumark,2 O. Maksimov,3 X. Zhou,3 M. C. Tamargo,3 V. Volkov,4 Y. Zhu,4 and L. Wang5 1Department of Physics, Queens College of CUNY, Flushing, New York 11367, USA 2Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027, USA 3Department of Chemistry, City College of...
Abstract This paper describes test procedures to characterize the behavior of logarithmic analog-to-digital converters. Logarithmic A/D converters are usually characterized in terms of signal-to-noise ratio (SNR) or in deviation of the ideal characteristic in dB. There are a lack of test methods definition in the literature, as can be observed in the IEEE standard 1241 for these type of convert...
D. Culler, D. Estrin, M. Srivastava: Overview of Sensor Networks, IEEE Computer Society, August 2004. Akyildiz, I. , Su, W. , Sankarasubramaniam, Y. , Cayirci, E. : Wireless sensor networks: A survey. Computer Networks39 (4), 393–422 (2002) Karl, H. , Willig, A. : Protocols and Architectures for Wireless Sensor Networks. Wiley, New York (2005). Sohraby, K. , Minoli, D. , Znati, T. : Wireless Se...
one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
today, information technology and computers are indispensable tools of any profession and translation technologies have become an indispensable part of translator’s workstation. with the increasing demands for high productivity and speed as well as consistency and with the rise of new demands for translation and localization, it is necessary for translators to be familiar with market demands an...
A new family of zero-current-transition (ZCT) pulsewidth-modulated (PWM) converters is proposed. The new family of converters implements zero-current turn-off for power transistor(s) without increasing voltagdcurrent stresses and operates at a fixed frequency. The proposed converters are deemed most suitable for high-power applications where the minority-carrier semiconductor devices (such as I...
A new upper bound is given on the number of ways in which a set of N points in Rn can be partitioned by k parallel hyperplanes. This bound improves upon a result of Olafsson and Abu-Mostafa [IEEE Trans. Pattern Analysis and Machine Intelligence 10(2), 1988: 277-281]; it agrees with the known (tight) result for the case k = 1; and it is, for fixed k and n, tight to within a constant. A previousl...
Cascaded H-bridge multilevel power electronic converters generally require several dc sources. An alternative option is to replace all the separate dc sources feeding the H-bridge cells with capacitors, leaving only one H-bridge cell with a real dc voltage source. This will yield a cost-effective converter. However, the required capacitor voltage balancing is challenging. In this paper, using t...
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