TESTING WINDING AND ASSEMBLING OF THREE PHASE INDUCTION MOTOR. ORGANIZATION: V.V.P. ENGINERING COLLEGE‚Rajkot‚Gujarat stae. TITLE OF POSITION OCCUPIED: Engineering Student. For completing the bachelor of an electrical engineering I had to complete the project in the last semester at V.V.P. Engineering College which is under the Saurashtra University. The history of the motor was‚ the induction motor was basically developed from the
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Electromagnetic Spectrum 299‚792‚458 m/s – speed of light 186‚282 mile/s Speed of light = WL x Frequency C=(^)(v) Wavelength sa Electric field Band Designations: ELF- extreme low – 3-30hz SLF- super – 30-300hz ULF- ultra – 300hz-3khz VLF – very – (Vice Versa) LF – low MF – medium HF – VHF – UHF – SHF – EHF – 30-300ghz Standard Frequency JJY- japan – 40khz‚ 60khz MSF – Rugby‚England – 60khz‚5km‚3.1miles) WWVB‚ Colorado‚USA (60khz) HBG – Switzerland (75khz) DCF77 – main‚Germany (77.5khz) LORAN-
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Nietkalieva Dinara IS113k Lab 1: Radio and Light Waves Virtual Lab 1) How is the radiating electric field (or electromagnetic signal) produced when radio stations broadcast? Include a description of what is producing the signal as well as the reasoning behind how this could produce a signal. We know that electromagnetic radiation is produced by accelerating charges. In the radio transmitter‚ electrons oscillate up and down and are thus accelerating. An electron will exert a force on another
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INTRODUCTION Electromagnetic clutches operate electrically‚ but transmit torque mechanically. This is why they used to be referred to as electromechanical clutches. Over the years EM became known as electromagnetic versus electro mechanical‚ referring more about their actuation method versus physical operation. Since the clutches started becoming popular over sixty years ago‚ the variety of applications and clutch designs has increased dramatically
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wavelength — the distance between the crests of the waves — or its frequency — the number of crests that pass by in a given amount of time.The higher the energy of the radiation‚ the shorter its wavelength and the higher its frequency will be. Blue light‚ for example‚ has a higher energy and therefore a higher frequency and shorter wavelength than red light Flame tests are used to identify the presence of a relatively small number of metal ions in a compound. Not all metal ions give flame colours
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Uses of Electromagnetic Waves Radio Waves * TV and FM radio (short wavelength) * Direct line of sight with transmitter (do not diffract) * Medium wavelength – travel further because they reflect from layers in the atmosphere * Used for transmitting signals. Microwaves * Microwaves are used in satellite television broad casting. * It is used to transmit mobile phone signals between Mast‚ which may be up to 20km apart. * Microwaves are absorbed by water molecules
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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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1. Wavelength of short ultraviolet radiation is: A. 700-1500 mµ B. 1600-12‚000 mµ C. 0.1-3 mm D. 180-290 mµ 2. Wavelength of long ultraviolet radiation is: A. 700-1500 mµ B. 290-400 mµ C. 180-290 mµ D. 0.1-3 mm 3. What ultraviolet wavelength will produce reticuloendothelial stimulation? A. 2600-2700 Å B. 2700-3000 Å C. 2900-4000 Å D. 2400-2500 Å 4. The magnitude of radiation flux at any particular point of the skin depends upon the: A. Cross-sectional diameter of the
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•Explain how the radiating electric field (or electromagnetic signal) is produced when radio stations broadcast. A radio wave (radiating electric field) propagates out from the source‚ traveling at the speed of light. The source‚ for example an antenna‚ creates oscillating electric(E)/ magnetic(B) fields. These fields are perpendicular not only to each other but to the direction of the traveling wave‚ and travel away from the antenna. The electromagnetic wave is‚ therefore‚ a transverse wave. The electric/
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1. INTRODUCTION 1.1) INTRODUCTION OF 3 PHASE INDUCTION MOTOR: The three phase induction motors are used in many industrial applications due to their reliability‚ low cost and high performance. Whereas this popular ac motor performance is affected by following type of faults. 1. ELECTRICALLY RELATED FAULTS (33%): The faults under this classification are single phasing‚ over/under voltage‚ overload over temperature. 2. MECHANICAL RELATED FAULTS (32%): The rotor winding failure‚ stator winding failure
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