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Search results for: system
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Year: 2009, Volume: 9, Issue: 2
... a novel direct torque controlled induction as high computational requirement, high parameter machine drive system. The control system enjoys the dependence and speed signal for the coordinate advantages ... motors are the most considers the torque of induction machine proportional with widely used electromechanical systems in modern industry. the slip frequency if the amplitude of stator flux vector ...
Year: 2009, Volume: 9, Issue: 2
... the current distribution in the soil, let [1-3]. us assume the system shown in Fig 1, composed of an There are a number of compatibility ... the metallic neighborhoods reference materials, but usually the authors make the of the AC systems in the soil lead to important approximations derived from the circuits' theory. ...
Year: 2009, Volume: 9, Issue: 2
... h2(t) are quite similar, pulses derived above in a 64-carrier OFDM system. and show no significant difference. The complex envelope of one radio frequency ... characteristic interpolation intervals. The proposed pulses were also investigated for OFDM use including DVB systems in order to composed of rectangles of equal width and obeying an odd- ...
Year: 2009, Volume: 9, Issue: 2
... proper redesign redesigned copper double cage motor (2CO). of the motor cooling system. Indeed the Joule losses in the copper rotor are much smaller than in ... energy into electricity. The induction generator is increasingly preferred in case of renewable energy systems due to its advantages over the synchronous generator, such as: reduced unit ...
Year: 2009, Volume: 9, Issue: 2
... and the compressor cylinder. At classical compressors driven by rotating motors, the crank system which transform the rotating motion in alternating motion, usually introduces aside the axial ... 1.4 A= 320VA (37) V. FEM ANALYSIS Both the two magnetic systems, magnetostatic and a.c. magnetic system (Fig. 2), with ...
Year: 2009, Volume: 9, Issue: 2
... [10], had come out. Afterwards the same idea was overcurrent protection system especially to protect power developed, especially on the ignition control system, semiconductors ... — Fuses, control equipment, technological design applying this concept to low voltage DC systems, innovation called Smart Fuse [12]. During the seventies an interesting ...
Year: 2009, Volume: 9, Issue: 2
... ) and unknown angles( θ 1, θ 2 ), defined in polar system by the r and θ co-ordinates of their which are defined by their respective ... " Electric Machines and are practical. However, if the motor geometry is Power Systems, vol. 27, no. 7, pp. 665-678, July ...
Year: 2009, Volume: 9, Issue: 2
... 2. Block Simulink® of the induction motor. In a balanced three phase system, the summation of the three instantaneous phase voltage is zero. So the ... /Simulink®" software. This package makes it possible to simulate the dynamic systems in a simple way and in graphic environment. Index Terms — matrix converter ...
Year: 2009, Volume: 9, Issue: 2
... that are exposed as a Web service increases Markup Language (XML) technologies enable integration of the management of data flow between services becomes a diverse IT processes and systems and have been gaining major issue which can affect the overall quality of the extraordinary acceptance from the basic to the most resulting Web process if it is not ...
Year: 2009, Volume: 9, Issue: 1
... Optimal Power Flow (OPF) problem of a power system trip, the ant deposits a chemical pheromone trail ... optimization technique Index Terms — Optimal power flow, Power systems, Ant cannot be applied. manners& Collective ... references [29, 30]. salesman problem, BioSystems, Vol. 43, 1997, p. ...
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