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Search results for: electromagnetic
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Year: 2010, Volume: 10, Issue: 2
... towers and the currents in every span of the respectively for the evaluation of the faulted tower's voltage ground conductor. Furthermore, the influence of the rise. In electromagnetic interference problems, the best way coupling factor between the faulted phase and the ground to investigate the soil's behavior as conducting media is to wire on the ground ...
Year: 2010, Volume: 10, Issue: 3
... sq ψ2 sq parameters identification and accuracy of the estimations, Te= p isx+ isy sd isx+ isy 2 ψs ψs ψs ψs the estimation of the electromagnetic torque is essential for the entire system performance. For flux estimation, the 3 voltage model is preferred in this study. Te= p ψ s isy ...
Year: 2009, Volume: 9, Issue: 3
... Stator resistance: [10] S. I. Smedley, "The Interpretation of Ionic Conductivity in Liquids", (Plenum Press, 1980). Te Electromagnetic couple of exit and reference N.m; Tfr [11] Babusta, R. And Horacek, P., "Laboratory Evaluation of fuzzy Rotor time-constant of ...
Year: 2010, Volume: 10, Issue: 1
... ) machines, the only problem is finding the command method that gives us a six phase system with a less oscillatory cos(ωot+ 4π /3) electromagnetic torque. The problem consists in finding a matrix M known as the modulation matrix, so that II. THEORY OF THE MATRIX CONVERTER[ Vo]= ...
Year: 2010, Volume: 10, Issue: 1
... Ri+; u= Ri+= Ri+ i+ L; which gives a much faster method in obtaining the dt dt dt dt (1) electromagnetic torque expression. Finally, the results are  d( L)  d (i) compared with the ones that come out from the traditional u ...
Year: 2010, Volume: 10, Issue: 1
... the machine heating is proposed. Three-dimension finite element method (3D-FEM) analysis is carried on to calculate the main machine characteristics, as magnetizing and leakage fluxes and electromagnetic torques. II. PMTFG CONSTRUCTION The PMTFG structure proposed here comes from the usual TF reluctance machine with passive rotor and the only change is made in the ...
Year: 2009, Volume: 9, Issue: 3
... Another Bose application is an magnets and coil sections have the same length l. electromagnetic suspension system based on moving magnet The first step in calculating the force acting ... in the paper is valid [9] M. Sadiku. "Elements of Electromagnetics". Oxford University Press, for the device without exterior magnets, while ...
Year: 2009, Volume: 9, Issue: 3
... induction motors reference (n *= n *1). Reference correction Δn* is proportional of 5.5kW, two per leg. to the difference of estimated electromagnetic torque 2. System conveyor belts (2m/s) with "battered" (ΔTe=Te1-Te2). Proportional gain of load sharing regulators (30kW ...
Year: 2009, Volume: 9, Issue: 3
... Factory Automation,. Proceedings. 20 ETFA '03. IEEE Conference 2: 739-746. 10 [5] Negrea M. D. (2006), "Electromagnetic flux monitoring for detecting 0 faults in electrical machines", Doctoral Dissertation, Helsinki #5 #4 #3 #2 #1 University of Technology Department ...
Year: 2009, Volume: 9, Issue: 3
... Storage", Int. J. mech. Sci., Permanent-Magnet Machines Through Numerical Analysis of the VoL 19, pp. 233-245. Pergamon Press 1977. Electromagnetic Field", IEEE Transaction on Industry Applications, [2] G.E. Rodriguez, P.A. Studer, D.A. Baer, "Assessment of Flywheel VOL ...
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