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2003-04-01Leading standardization organizations have concluded that 30 percent of motor failures are attributed to insulation failure and 60 percent of these are caused by overheating. Articles have been published stating that a significant cause of bearing deterioration is overheating. There are typically five main reasons for overheating—overload
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01.08.2016Design, analysis, fabrication and comparison of linear induction motor and linear permanent magnet synchronous motor August 2016 DOI: 10.1109/PIERS.2016.7734796
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01.01.1988Ackroyd Stuart patented an engine in 1890 which used the principles of induction of air alone into the combustion chamber, followed by injection of fuel. His engine, having a low (about three to one) compression ratio, could not achieve spontaneous ignition of the fuel and required some heating to vaporize it first. In Diesel's patent of 1892 ignition was by
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The single coil of a single-phase induction motor does not produce a rotating magnetic field, but a pulsating field reaching maximum intensity at 0 and 180 electrical. Single-phase stator produces a nonrotating, pulsating magnetic field. Another view is that the single-coil excited by a single-phase current produces two counter-rotating
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Abstract. An essential feature of the operation of the synchronous machine is that the rotor runs at the same speed as the rotating magnetic field produced by the stator winding; the magnetic field as 'seen' from a point on the rotor does not vary with time. A very different type of machine results if the rotor is allowed to run more slowly
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In the 1820s and '30s British scientist Michael Faraday demonstrated experimentally that passing an electric current through a coil of wire between two poles of a magnet would cause the coil to turn, while turning a coil of wire between two poles of a magnet would generate an electric current in the coil ( electromagnetic induction ).
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1999-07-22A. Balan. The conventional methods for the measurement of resonant frequencies, vibration and noise in electric machines are laborious and very time consuming. This paper presents laboratory
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Laithwaite, E. R., Linear Electric Motors, Mills and Boon (1971) Google Scholar. 3. Laithwaite, E. R., Propulsion without Wheels, The English Universities Press Ltd., pp. 184 (1970) Google Scholar. 4. Vadher, V. V., 'Theory and design of linear induction motors with steel reaction plates ', IEE Proc, 129, Pt.B. (5) pp. 271 – 278 (1982) Google Scholar: Access content To
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