Simulink Implementation of Induction Machine Model – A Modular Approach Burak Ozpineci1 Leon M. Tolbert1‚2 burak@ieee.org tolbert@utk.edu 1 2 Oak Ridge National Laboratory P.O. Box 2009 Oak Ridge‚ TN 37831-6472 Department of Electrical and Computer Engineering The University of Tennessee Knoxville‚ TN 37996-2100 parameters are accessible for control and verification purposes. Simulink induction machine model discussed in this paper has been featured in a recent graduate
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ELECTROMAGNETIC INDUCTION Electromagnetic induction is the production of an electromotive force across a conductor when it is exposed to a varying magnetic field. It is described mathematically by Faraday’s law of induction‚ named after Michael Faraday who is generally credited with the discovery of induction in 1831. Electromagnetic induction was discovered independently by Michael Faraday and Joseph Henry in 1831; however‚ Faraday was the first to publish the results of his experiments.[4][5] In
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How the efficiency of induction motor is measured? S. Corino E. Romero L.F. Mantilla Department of Electrical Engineering and Energy E.T.S.I.I. y T. Universidad de Cantabria Avda de Los Castros‚ 39005 Santander (Spain) phone:+34 942 201381‚ fax:+34 942 201381‚ e-mail: mantillf@unican.es Abstract The efficiency is of paramount importance nowadays due to increasing electrical energy demand‚ increasing awareness of environmental problems as greenhouse effects and increasing fossil fuel prices
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Engineering & Technology 12/10/2012 Why Starting Current of Induction Motor Is Higher Than the Synchronous Motor Why Starting Current of Induction Motor Is Higher Than the Synchronous Motor Starting Current Of Induction And Synchronous Motors:- Starting Current of both motors were different‚ when analyzed using ETAP. Starting current of Induction motor was more than that of the synchronous motor. However Induction motor is used for Stable operation in running condition [1] Reason:- Before
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Induction Induction is the process for introducing a new employee to their work environment. It extends from the moment the prospective employee reads the advertisement for the position and fuses with their training and development as a part of the organisation. Why do we need an induction procedure? A proper induction will give both the employees and the organisation the following benefits: (1) It improves the motivation of new employees by helping them (2) quickly assimilate the
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The Cross Field Theory of Single Phase Induction Motor The cross field theory of single phase induction motors looks at the induction motor from a totally different point of view. This theory is connected with the voltages & currents that the stationary stator magnetic field can induce in the bars of the rotor when the rotor is moving. Consider a single phase induction motor with a rotor which has been brought up to speed by some external method. Such a motor. Voltages are induced in the bars of
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Chapter (9) Single-Phase Motors Introduction As the name suggests‚ these motors are used on single-phase supply. Singlephase motors are the most familiar of all electric motors because they are extensively used in home appliances‚ shops‚ offices etc. It is true that singlephase motors are less efficient substitute for 3-phase motors but 3-phase power is normally not available except in large commercial and industrial establishments. Since electric power was originally generated and distributed
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All types of Motor & Generators - AC & DC‚ Starters:Induction Motor (3 Phase):The production of a rotating magnetic field (RMF) is essential for the operation of alternating current (a.c.) induction motors. The speed of rotation of an RMF is known as the synchronous speed and this will be governed by the value of the supply frequency and the number of poles wound within each phase winding. Each of the phase windings are 120 electrical degrees apart. Synchronous speed can be calculated using the following
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ISSNll1007-0214ll12/18llpp225-233 Volume 14‚ Number 2‚ April 2009 On-Line Fast Motor Fault Diagnostics Based on Fuzzy Neural Networks* DONG Mingchui (董名垂)**‚ CHEANG Takson (郑德信)†‚ CHAN Sileong (陈思亮)† Department of Automation‚ Tsinghua University‚ Beijing 100084‚ China; † Faculty of Science and Technology‚ University of Macau‚ Macau‚ China Abstract: An on-line method was developed to improve diagnostic accuracy and speed for analyzing running motors on site. On-line pre-measured data was used as the basis for constructing
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of Electromagnetic Induction ➣ Direction of Induced E.M.F. and Current ➣ Lenz’s Law ➣ Induced E.M.F. ➣ Dynamically-induced E.M.F. ➣ Statically-induced E.M.F. ➣ Self-Inductance ➣ Coefficient of Self-Inductance (L ) ➣ Mutual Inductance ➣ Coefficient of Mutual Inductance ( M ) ➣ Coefficient of Coupling ➣ Inductances in Series ➣ Inductances in Parallel 7 ELECTROMAGNETIC INDUCTION The above figure shows the picture of a hydro-electric generator. Electric generators‚ motors‚ transformers‚ etc
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