PERMANENT MAGNET EXCITED TRANSVERSE FLUX LINEAR MOTOR WITH INNER MOVER FOR ROPELESS ELEVATOR
|
|
- Daniella Coleen Nash
- 6 years ago
- Views:
Transcription
1 PERMANENT MAGNET EXCITED TRANSVERSE FLUX LINEAR MOTOR WITH INNER MOVER FOR ROPELESS ELEVATOR DRAGOŞ OVIDIU KISCK 1, DO HYUN KANG 2, JUNG HWAN CHANG 2, JI WON KIM 2, DRAGOŞ ANGHEL 1 Key words: Linear motor, Synchronous machines, Transverse flux motor, Ropeless elevator, Permanent magnets. A transverse flux, PM-excited linear motor (TFM-LM) with inner mover for ropeless elevator was designed and built. It s output power density is higher and the weight is lower than for conventional permanent magnet excited linear synchronous motors (PM- LSMs). To get the maximum thrust force under the given volume, the thrust force density with respect to the ratio of the pole width, height of the PM and the length of pole pitch is optimized by 2-D finite element method (FEM). To verify the design optimization, the computed forces are compared with the experimentally measured forces detected on the experimental setup of the TFM-LM. The calculated and measured performances of TFM-LM with inner mover reveal a great potential of system improvements by reducing mass of the linear motor. For examples, when this motor is applied to a ropeless elevator, it is possible to increase the power density by more than 400[%] than the conventional PM-LSM. The results of this study recommend TFM-LM with inner mover for the ropeless elevators and for gearless direct linear driving systems. 1. INTRODUCTION Ropeless elevators witultiple cars in one shaft are considered to be the most promising answer to ultra-tall building s problems, including their hoist ways, halls machine room, and rope length limitations [1]. The successful implementation of ropeless elevators without counterweight depends on two main factors: the ratio of the thrust to mover weight and the motor size. The conventional permanent magnet excited linear synchronous motor (PM-LSM) was built for ropeless elevator application. PMs as mover it is placed between two sets of long armature windings [2]. But the ratio of the thrust to mover weight by the conventional 1 University Politehnica of Bucharest, Faculty of Electrical Engineering, 313 Spl. Independenţei , Bucharest, Romania, dragos@dsp-control.pub.ro. 2 Korea Electrotechnology Research Institute, Mechatronics Research Group, Changwon, Kyungnam , Korea, dhkang@keri.re.kr. Rev. Roum. Sci. Techn. Électrotechn. et Énerg., 55, 3, p , Bucarest, 2010
2 2 Permanent magnet excited transverse flux linear motor for elevator 269 permanent magnet excited linear synchronous motor (PM-LSM) has only 83.3 N/kg which is not enough for ropeless elevators. A novel electrical machine based on the new concept of transverse flux configuration leads, simultaneously, to a considerable increase in the power density and efficiency. The topological investigations regarding the magnetic circuit geometry and winding form of the transverse flux machine have brought up a variety of constructing arrangements with different features and for several types of practical applications [3]. Here, the proposed TFM-LM with inner mover leads to a considerable increase in power density for the moving part. When the proposed TFM-LM with inner mover is used to a ropeless elevator, it is possible to increase power density more than 400% comparing with the conventional PM-LSM. The result of this study can be utilized by development of both ropeless elevators and gearless linear moving systems with high output. 2. CONFIGURATION AND PRINCIPLE OF THE TFM-LM The symbols used in this paper for TFM-LM are presented in Table 1. Table 1 SYMBOLS Symbol Remarks B 0 magnetic flux density in air gap by PM B r remanent magnetic flux density of the PM b p pole width b sp width of winding window F x thrust force per motor length F xd thrust force density h i pole length height of the PM h sp height of the winding window w number of turns for primary winding k winding factor W co magnetic coenergy W m magnetic energy δ length of the air gap µ m PM relative permeability µ 0 air permeability Θ a magnetomotive force by primary winding Θ m magnetomotive force by PM pole pitch τ p Figure 1 presents a general view of the TFM-LM with inner mover; the variant with long primary configuration to reduce the mass of the linear motor,
3 270 Dragos Ovidiu Kisck et al. 3 especially in moving part. The passive back irons in stator are skewed by the pole pitch in order to generate the thrust force in one direction. 2τ p b p h sp h i δ b sp Fig. 1 Basic configuration of long primary TFM with inner mover. The principles of force generation for the TFM-LM with long primary configuration are shown in Fig. 2. Fig. 2 Principles of force generation. The passive back irons in stator are cut and developed to show the principles of force generation. When the primary winding turns on, the magnetic polarities between N, S in mover and N 1, N 2, N 3, S 1, S 2, S 3 in stator generate the total traction force F T in one direction. Here, Θ a is magnetomotive force by primary winding. The TFM-LM uses the PMs as excitation. The magnetic flux density in the air gap
4 4 Permanent magnet excited transverse flux linear motor for elevator 271 can be amplified, because the profile of the PM is bigger than the stator pole width in the air gap. The advantage of TFM-LM with inner mover is the system improvements by reducing mass of the mover. As with the switched reluctance motor drives, the TFM-LM has the traction force ripple, which has limited its use in some applications. This force ripple could be minimized by controlling the current shape adequately [3, 4]. Using the one-dimensional model of TFM-LM with inner mover and the magnetic equivalent circuit (where the saturation and stray magnetic flux component are not considered), the thrust force produced in the TFM-LM is explained by the magnetic coenergy conversion [5]. The magnetic energy, W m, and the magnetic coenergy, W co, stored in magnetic fields are as follows, [6]: W W m co = = V V B 0 H 0 H( B)dBdV, (1) B( H )dhdv. (2) In terms of coenergy, the expression for the thrust force, F x, is: Wco Fx ( x) =. (3) x The value of the thrust force density F xd for the TFM-LM is [5]: Θ F xd = kb0. (4) 2τ The thrust force density, F xd, is proportional to the magnetomotive force, Θ a, and the magnetic flux density in the air gap, B 0 and inversely proportional to the pole pitch τ p. The thrust force density, F xd, is corrected by factor, k from the analytically calculated formula, because the iron saturation and the stray flux have a significant influence on the thrust force of TFM-LM. a p 3. DESIGN OF TFM-LM FOR ROPELESS ELEVATOR COMPARATIVE WITH A LINEAR PM-LSM A. BASIC DESIGN OF THE TFM-LM For comparing with a 3kW PM-LSM used also for ropeless elevator by the Underground Development Utilization Research Center of the Engineering
5 272 Dragos Ovidiu Kisck et al. 5 Advancement Association of Japan (ENNA), the specification of PM-LSM is shown in Table 2 [2]. Table 2 Specification of the PM-LSM Parameters Values Remarks Thrust force [N] 3,000 speed 1 m/s; acceleration 1 m/s 2 Power [kw] 3 - Total mass [kg] (primary + moving part) 469 related to 1 m length Moving mass[kg] 270 max. load 140 kg; car mass 130 kg Primary (one side) Moving part: PM(NdFeB) Thrust force/mass length [mm] 3,055 - width [mm] mm (double side) height [mm] mm (double side) mass [kg] 36 - No. of poles 16 - length [mm] 1,000 - height [mm] width [mm] 30 - total [N/kg] m PM-LSM moving part [N/kg] Airgap length [mm] 5 - Efficiency Power factor Trust force density [kn/m 2 ] 10 - Design of the TFM-LM for ropeless elevator requires the basic dimensions of the structure. An approximate sizing of the TFM-LM with inner mover is obtainable using the analytical procedure. Presuming an usual ratio of τ p /δ 10 and Θ a /δ 1,000At/mm, the initial data required to derive the basic design are: Θ a = 10 ka, τ p = 50 mm, B 0 = 1 T, δ = 5 mm, k = 0.6. Using these initial inputs data and (4), the value for the thrust force density for the TFM-LM, F xd is 60kN/m 2, which is approximately six times higher than the force density for the PM-LSM (10 kn/m 2 ) in Table 2. This result shows that TFM- LM has a great potential to increase propulsion force per unit mass or unit volume. In order to improve the performance of TFM-LM, specifically to increase the proportion of thrust force to TFM-LM weight, it is necessary to optimize the geometrical parameters of the basic design by using the 2D-FEA program. The 2D- FEA analysis considers the leakage fields as well as the saturation effects and allows a more accurate approximation at any current and mover position [7]. B. POLE WIDTH b p AND PM HEIGHT OPTIMIZATION The proportions bp τ p and hm / τ p are theoretically assumed to be between 0 and 1. Optimization occurs when parameters are varied within the following realistic boundaries: 0.5 b / τ 0.9; 0.15 h / τ 0.5. p p m p
6 6 Permanent magnet excited transverse flux linear motor for elevator F xd [kn/m 2 ] / τ p =0.5 / τ p =0.4 / τ p =0.3 / τ p = ,5 0,6 0,7 0,8 0,9 1,0 b p / τ p Fig. 3 Thrust force density F xd for different magnet height and pole width b p. Fig. 3 shows the dependence of thrust force density F xd with relation to magnet height for different pole width b p. Optimum traction force density is achieved when 0.65 b τ and 0.35 h τ p p C. POLE PITCH τ p OPTIMIZATION From an analytical view, in equation (4), the thrust force density F xd grows as the pole pitch τ p decreases, in such a way that in theory if the pole pitch τ p becomes to zero, the thrust force density F x goes to infinity. In reality, the thrust force density F xd will be limited by iron saturation and the dimensions. Figure 4 reveals the optimum area of the pole pitch for practical use. The optimal pole pitch becomes τ p = mm. m p F xd [kn/m 2 ] τ p [mm] Fig. 4 Thrust force density F xd for different pole pitch τ p. Fig. 5 Thrust force density F xd different magnetomotive force.
7 274 Dragos Ovidiu Kisck et al. 7 The thrust force density at different magnetomotive force are presented in the Fig. 5. For small magnetomotive force (15,000 At), the relations between magnetomotive force and the thrust force density by (4) is proven: Fxd ~ Θa. Table 3 presents the optimized dimensions for the TFM-LM dedicated for ropeless elevators. Using the optimized dimensions, the thrust force per moving part weight is 291N/kg and the thrust force density is 63kN/m 2 which is approximately six times higher than the ordinary thrust force density of the corresponding 3kW, PM-LSM. The primary mass can be also reduced by using TFM-LM instead of using PM-LSM. Table 3 Specification of the TFM-LM for Ropeless Elevator Parameters Values Remarks Thrust force [N] 3,000 speed 1 m/s; acceleration 1 m/s 2 Power [kw] 3 - Total mass [kg] (primary + moving part) related to 1 m length Moving mass [kg] 270 max. load 140 kg; car mass 130 kg length [mm] 3,055 - width [mm] height [mm] Primary τ p [mm] 50 - b p [mm] 40 - Moving part: PM (NdFeB and iron) Trust force/mass h sp [mm] 40 - b sp [mm] 65 - mass [kg] length [mm] height [mm] 75 - width [mm] 55 - [mm] 20 - total [N/kg] 27 1 m TFM-LM Moving part [N/kg] Airgap length [mm] 5 - MMF [At] 10,000 - Trust force density [kn/m 2 ] EXPERIMENTAL TEST OF A DOWN-SCALED MODEL A. THE CONSTRUCTION OF A DOWN-SCALED MODEL To verify the results of the calculation, stationary thrust forces are measured for a down-scaled model of the TFM-LM, whose dimensions are shown in Table 4.
8 8 Permanent magnet excited transverse flux linear motor for elevator 275 Table 4 Specification of the DOWN-SCALED TFM-LM Model Parameters Values Remarks Airgap (δ) 1 mm - Polar pitch (τ p ) 20 mm - PM(NdFeB) height ( ) 10 mm /τ p = 0.5 Pole width (b p ) 14 mm b p /τ p = 0.7 Pole length (h i ) 20 mm - Height of window (h sp ) 20 mm - Width of window (b sp ) 30 mm - Stator mm 3 - Mover mm 3 - Conductor 1 3 mm 2 - Turns number (w) Winding factor (k) The photos from Fig. 6 show the down-scaled mover and the stator. a) b) Fig. 6 The down-scaled model of the TFM for experimental test: a) mover; b) stator. B. EXPERIMENTAL TESTS & RESULTS Because the 3D-FE analysis considers the saturation effects as well as the leakage fields for 3-dimention at any current and mover position, the thrust forces are calculated by using 3D-FEM for different positions and current [8]. Figure 7 shows the calculated thrust forces using 3D-FEM analysis and the measured thrust forces for different positions. The directions of the magnetic flux between the PM and primary winding are opposite when x/τ p = 0 and are the same when x/τ p = 1.0. Figure 8 shows the thrust force density F xd for 2D-FEM analysis, 3D-FEM analysis and experimental data. Thus, it is observed that the thrust force densities are 52 kn/m 2, 46 kn/m 2 and 37 kn/m 2 for 2D-FEM analysis, 3D-FEM analysis and experimental data at 2,000 At (Θ a /δ 1,000 At/mm) respectively. The obtined results permit a comparision between the two considered 3kW linear-motor
9 276 Dragos Ovidiu Kisck et al. 9 variants: the PM-LSM and the TFM-LM with inner mover. In comparison to the PM-LSM, the TFM-LM with inner mover leads to the increase of thrust force/motor mass and thrust force/mover mass by 410 % and 250 % respectively AT 3D-FEA 4000AT - Experiemnt Thrust force [N] AT 3D-FEA 2000AT - Experiment 1000AT 3D-FEA 1000AT - Experiment Displacement [mm] Fig. 7 Calculate vs. measured thrust force related to the mover position and magnetomotive force. Fig. 8 Thrust force density F xd for 2D-FEM analysis, 3D-FEM analysis and the measurement.
10 10 Permanent magnet excited transverse flux linear motor for elevator 277 Table 5 Final DESIGN Specification of the designed TFM-LM Parameters Values Remark Thrust force [N] 3,000 speed 1 m/s; acceleration 1 m/s 2 Power [kw] 3 - Total mass [kg] (primary + moving part) related to 1 m length Moving mass [kg] 270 max. load 140 kg; car mass 130 kg Moving part: PM (NdFeB and iron) mass [kg] length [mm] height [mm] 75 - width [mm] 55 1 m TFM-LM [mm] 20 MMF At 10,000 10,000 Trust total [N/kg] 26.8 Trust force density kn/m force/mass Moving part [N/kg] Airgap lengtm 5 5. CONCLUSIONS The proposed TFM-LM with inner mover leads to a considerable increase in power density for the moving part. To get the maximum thrust force under the given volume, the thrust force density with respect to the ratio of the pole width, height of the PM and the length of pole pitch is optimized by 2-D finite element method (FEM). To verify the design optimization, the computed forces are compared with the experimentally measured forces detected on the experimental setup of the down-scaled TFM-LM model. The measured thrust force density is 29% less for 2D-FEM analysis and 20% less for 3D-FEM analysis. In comparison to the PM-LSM, the TFM-LM with inner mover leads to the increase of thrust force/motor mass and thrust force/mover mass by 410% and 250% respectively. The obtained ratio of the thrust to mover weight is N/kg for the TFM-LM, whereas for PM-LSM this value is 83.3 N/kg. Received on February 3, 2009 REFERENCES 1. T. Duenser, R. Deplazes, M. Meier, A new elevator system and its implementation, MAGLEV 2002, Lausanne. 2. J. F. Gieras, Z. J. Piech, Linear Synchronous Motor, CRC Press LLC, R. Krishnan, Switched reluctance motor drive, CRC Press, L.A.P. Henriques, L.G.B. Rolim, W.I. Suemitsu, P.J. Branco, Torque ripple minimization in a SR drive by neuro-fuzzy compensation, IEE Transactions on magnetics, 36, 5, 2000, Sept. 5. D.H. Kang, Y. H.Chun, H. Weh, Analysis and optimal design of transverse flux linear motor with PM excitation for railway traction, IEE Proc. Electr. Power Appl., 150, 4, 2003, July. 6. S. A. Nasar, Electromagnetic energy conversion device and systems, Printice-Hall, Inc., * * *, 8. * * *,
Proposal of short armature core double-sided transverse flux type linear synchronous motor
Proposal of short armature core double-sided transverse flux type linear synchronous motor Shin Jung-Seob a, Takafumi Koseki a and Kim Houng-Joong b a The University of Tokyo, Engineering Building #2 12F,7-3-1
More informationON THE PARAMETERS COMPUTATION OF A SINGLE SIDED TRANSVERSE FLUX MOTOR
ON THE PARAMETERS COMPUTATION OF A SINGLE SIDED TRANSVERSE FLUX MOTOR Henneberger, G. 1 Viorel, I. A. Blissenbach, R. 1 Popan, A.D. 1 Department of Electrical Machines, RWTH Aachen, Schinkelstrasse 4,
More informationAnalytical Model for Sizing the Magnets of Permanent Magnet Synchronous Machines
Journal of Electrical Engineering 3 (2015) 134-141 doi: 10.17265/2328-2223/2015.03.004 D DAVID PUBLISHING Analytical Model for Sizing Magnets of Permanent Magnet Synchronous Machines George Todorov and
More informationDoubly salient reluctance machine or, as it is also called, switched reluctance machine. [Pyrhönen et al 2008]
Doubly salient reluctance machine or, as it is also called, switched reluctance machine [Pyrhönen et al 2008] Pros and contras of a switched reluctance machine Advantages Simple robust rotor with a small
More informationHigh Efficiency LSM with High Flux Density for Transportation
Journal of Transportation Technologies,,, -6 doi:.436/jtts..43 Published Online October (http://www.scirp.org/journal/jtts) High Efficiency LSM with High Flux Density for Transportation Abstract Nobuo
More informationModeling and Design Optimization of Permanent Magnet Linear Synchronous Motor with Halbach Array
Modeling and Design Optimization of Permanent Magnet Linear Synchronous Motor with Halbach Array N. Roshandel Tavana, and A. Shoulaie nroshandel@ee.iust.ir, and shoulaie@ee.iust.ac.ir Department of Electrical
More informationOptimum design of a double-sided permanent magnet linear synchronous motor to minimize the detent force
Energy Equip. Sys./ Vol. 5/No1/March 2017/ 1-11 Energy Equipment and Systems http://energyequipsys.ut.ac.ir www.energyequipsys.com Optimum design of a double-sided permanent magnet linear synchronous motor
More informationDevelopment of a Double-Sided Consequent Pole Linear Vernier Hybrid Permanent-Magnet Machine for Wave Energy Converters
Development of a Double-Sided Consequent Pole Linear Vernier Hybrid Permanent-Magnet Machine for Wave Energy Converters A. A. Almoraya, N. J. Baker, K. J. Smith and M. A. H. Raihan Electrical Power Research
More informationIMPROVED DESIGN OF A LINEAR TRANSVERSE FLUX RELUCTANCE MOTOR
IMPROVED DESIGN OF A LINEAR TRANSVERSE FLUX RELUCTANCE MOTOR D.C. Popa, V. Iancu and L. Szabó Technical University Cluj-Napoca/Electrical Machines Department, Cluj-Napoca, Romania Abstract The paper deals
More informationDESIGN AND ANALYSIS OF AXIAL-FLUX CORELESS PERMANENT MAGNET DISK GENERATOR
DESIGN AND ANALYSIS OF AXIAL-FLUX CORELESS PERMANENT MAGNET DISK GENERATOR Łukasz DR ZIKOWSKI Włodzimierz KOCZARA Institute of Control and Industrial Electronics Warsaw University of Technology, Warsaw,
More informationDYNAMIC SIMULATION OF A TRANSVERSAL FLUX OSCILLATING MOTOR
DYNAMIC SIMULATION OF A TRANSVERSAL FLUX OSCILLATING MOTOR Ioan Vadan, Gabriel Cimuca Technical University of Cluj-Napoca, C. Daicoviciu str. 15, 3400 Cluj-Napoca, ROMANIA, Phone: +40-64-193161/130, FAX:
More informationFinite Element Analysis of Hybrid Excitation Axial Flux Machine for Electric Cars
223 Finite Element Analysis of Hybrid Excitation Axial Flux Machine for Electric Cars Pelizari, A. ademir.pelizari@usp.br- University of Sao Paulo Chabu, I.E. ichabu@pea.usp.br - University of Sao Paulo
More informationPower density improvement of three phase flux reversal machine with distributed winding
Published in IET Electric Power Applications Received on 4th January 2009 Revised on 2nd April 2009 ISSN 1751-8660 Power density improvement of three phase flux reversal machine with distributed winding
More informationCPPM Mahine: A Synchronous Permanent Magnet Machine with Field Weakening
CPPM Mahine: A Synchronous Permanent Magnet Machine with Field Weakening Juan A. Tapia, Thomas A. Lipo, Fellow, IEEE Dept. of Electrical and Computer Engineering University of Wisconsin-Madison 45 Engineering
More informationUnified Torque Expressions of AC Machines. Qian Wu
Unified Torque Expressions of AC Machines Qian Wu Outline 1. Review of torque calculation methods. 2. Interaction between two magnetic fields. 3. Unified torque expression for AC machines. Permanent Magnet
More informationDesign and Characteristic Analysis of LSM for High Speed Train System using Magnetic Equivalent Circuit
IJR International Journal of Railway Vol. 3, No. 1 / March 2010, pp. 14-18 The Korean Society for Railway Design and Characteristic Analysis of LSM for High Speed Train System using Magnetic Equivalent
More informationFinite Element Analysis of Cogging Torque in Low Speed Permanent Magnets Wind Generators
Finite Element Analysis of Cogging Torque in Low Speed Permanent Magnets Wind Generators T. Tudorache, L. Melcescu, M. Popescu, M Cistelecan University POLITEHNICA of Bucharest, Electrical Engineering
More informationMODULAR LINEAR TRANSVERSE FLUX RELUCTANCE MOTORS
MODULAR LINEAR TRANSVERSE FLUX RELUCTANCE MOTORS Dan-Cristian POPA, Vasile IANCU, Loránd SZABÓ, Deartment of Electrical Machines, Technical University of Cluj-Naoca RO-400020 Cluj-Naoca, Romania; e-mail:
More informationLevitation and Thrust Forces Analysis of Hybrid-Excited Linear Synchronous Motor for Magnetically Levitated Vehicle
564 Journal of Electrical Engineering & Technology Vol. 7, No. 4, pp. 564~569, 2012 http://dx.doi.org/10.5370/jeet.2012.7.4.564 Levitation and Thrust Forces Analysis of Hybrid-Excited Linear Synchronous
More informationUNIT-I INTRODUCTION. 1. State the principle of electromechanical energy conversion.
UNIT-I INTRODUCTION 1. State the principle of electromechanical energy conversion. The mechanical energy is converted in to electrical energy which takes place through either by magnetic field or electric
More informationDesign and Electromagnetic Analysis of a HTS Linear Synchronous Motor
Design and Electromagnetic Analysis of a HTS Linear Synchronous Motor Jianxun Jin, Luhai Zheng Center of Applied Superconductivity and Electrical Engineering University of Electronic Science and Technology
More informationA New Moving-magnet Type Linear Actuator utilizing Flux Concentration Permanent Magnet Arrangement
342 Journal of Electrical Engineering & Technology Vol. 7, No. 3, pp. 342~348, 2012 http://dx.doi.org/10.5370/jeet.2012.7.3.342 A New Moving-magnet Type Linear Actuator utilizing Flux Concentration Permanent
More informationWater-Cooled Direct Drive Permanent Magnet Motor Design in Consideration of its Efficiency and Structural Strength
Journal of Magnetics 18(2), 125-129 (2013) ISSN (Print) 1226-1750 ISSN (Online) 2233-6656 http://dx.doi.org/10.4283/jmag.2013.18.2.125 Water-Cooled Direct Drive Permanent Magnet Motor Design in Consideration
More informationIntroduction. Energy is needed in different forms: Light bulbs and heaters need electrical energy Fans and rolling miles need mechanical energy
Introduction Energy is needed in different forms: Light bulbs and heaters need electrical energy Fans and rolling miles need mechanical energy What does AC and DC stand for? Electrical machines Motors
More informationOuter rotor eddy current heater for wind turbines
Renew. Energy Environ. Sustain. 1, 25 (2016) T. Tudorache and L. Melcescu, published by EDP Sciences, 2016 DOI: 10.1051/rees/2016026 Available online at: http://www.energy-sustainability.org/ RESEARCH
More informationLesson 17: Synchronous Machines
Lesson 17: Synchronous Machines ET 332b Ac Motors, Generators and Power Systems Lesson 17_et332b.pptx 1 Learning Objectives After this presentation you will be able to: Explain how synchronous machines
More informationDefinition Application of electrical machines Electromagnetism: review Analogies between electric and magnetic circuits Faraday s Law Electromagnetic
Definition Application of electrical machines Electromagnetism: review Analogies between electric and magnetic circuits Faraday s Law Electromagnetic Force Motor action Generator action Types and parts
More informationROEVER COLLEGE OF ENGINEERING & TECHNOLOGY ELAMBALUR, PERAMBALUR DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL MACHINES I
ROEVER COLLEGE OF ENGINEERING & TECHNOLOGY ELAMBALUR, PERAMBALUR-621220 DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING ELECTRICAL MACHINES I Unit I Introduction 1. What are the three basic types
More information2577. The analytical solution of 2D electromagnetic wave equation for eddy currents in the cylindrical solid rotor structures
2577. The analytical solution of 2D electromagnetic wave equation for eddy currents in the cylindrical solid rotor structures Lale T. Ergene 1, Yasemin D. Ertuğrul 2 Istanbul Technical University, Istanbul,
More informationDesign Optimization and Development of Linear Brushless Permanent Magnet Motor
International Journal of Control, Automation, and Systems Vol. 1, No. 3, September 3 351 Design Optimization and Development of Linear Brushless Permanent Magnet Motor Myung-Jin Chung and Dae-Gab Gweon
More informationDesign of the Permanent Magnet Linear Synchronous Motor for High Thrust and Low Cogging Force Performance
Progress In Electromagnetics Research M, Vol. 63, 83 92, 2018 Design of the Permanent Magnet Linear Synchronous Motor for High Thrust and Low Cogging Force Performance Nur A. Mohd Nasir 1, 2,FairulAzhar
More informationAnalytical and numerical computation of the no-load magnetic field in induction motors
Analytical and numerical computation of the no-load induction motors Dan M. Ionel University of Glasgow, Glasgow, Scotland, UK and Mihai V. Cistelecan Research Institute for Electrical Machines, Bucharest
More informationI. INTRODUCTION. Index Terms Speed control, PID & neural network controllers, permanent magnet Transverse Flux Linear motor (TFLM).
Proceedings of the 4 th International Middle East Power Systems Conference (MEPCON ), Cairo University, Egypt, December 9-2, 2, Paper ID 26. Speed Control of Permanent Magnet Transverse Flux Linear Motor
More informationFlux: Examples of Devices
Flux: Examples of Devices xxx Philippe Wendling philippe.wendling@magsoft-flux.com Create, Design, Engineer! www.magsoft-flux.com www.cedrat.com Solenoid 2 1 The Domain Axisymmetry Open Boundary 3 Mesh
More informationProposal of C-core Type Transverse Flux Motor for Ship Propulsion Increasing Torque Density by Dense Stator Configuration
ADVANCED ELECTROMAGNETICS, Vol., No., December 01 Proposal of C-core Type Transverse Flux Motor for Ship Propulsion Increasing Torque Density by Dense Stator Configuration Yuta Yamamoto 1 *, Takafumi Koseki
More informationMathematical Modeling and Dynamic Simulation of a Class of Drive Systems with Permanent Magnet Synchronous Motors
Applied and Computational Mechanics 3 (2009) 331 338 Mathematical Modeling and Dynamic Simulation of a Class of Drive Systems with Permanent Magnet Synchronous Motors M. Mikhov a, a Faculty of Automatics,
More information3 d Calculate the product of the motor constant and the pole flux KΦ in this operating point. 2 e Calculate the torque.
Exam Electrical Machines and Drives (ET4117) 11 November 011 from 14.00 to 17.00. This exam consists of 5 problems on 4 pages. Page 5 can be used to answer problem 4 question b. The number before a question
More informationRegular paper. Design and FE Analysis of BLDC Motor for Electro- Mechanical Actuator
P.Srinivas* J. Electrical Systems 11-1 (2015): 76-88 Regular paper Design and FE Analysis of BLDC Motor for Electro- Mechanical Actuator JES Journal of Electrical Systems This paper presents the design
More informationELECTROMAGNETIC ANALYSIS OF A HYBRID PERMANENT MAGNET GENERATOR
Rev. Roum. Sci. Techn. Électrotechn. et Énerg. Vol. 63, 1, pp. 33 37, Bucarest, 2018 Dedicated to the memory of Academician Andrei Ţugulea ELECTROMAGNETIC ANALYSIS OF A HYBRID PERMANENT MAGNET GENERATOR
More informationRELUCTANCE NETWORK MODEL OF A PERMANENT MAGNET TUBULAR MOTOR
Andrzej Waindok Bronisław Tomczuk DOI 0.55/ama-207-0029 RELUCTANCE NETWORK MODEL OF A PERMANENT MAGNET TUBULAR MOTOR Andrzej WAINDOK * Bronisław TOMCZUK * * Opole University of Technology Department of
More informationCHAPTER 3 INFLUENCE OF STATOR SLOT-SHAPE ON THE ENERGY CONSERVATION ASSOCIATED WITH THE SUBMERSIBLE INDUCTION MOTORS
38 CHAPTER 3 INFLUENCE OF STATOR SLOT-SHAPE ON THE ENERGY CONSERVATION ASSOCIATED WITH THE SUBMERSIBLE INDUCTION MOTORS 3.1 INTRODUCTION The electric submersible-pump unit consists of a pump, powered by
More informationAn Introduction to Electrical Machines. P. Di Barba, University of Pavia, Italy
An Introduction to Electrical Machines P. Di Barba, University of Pavia, Italy Academic year 0-0 Contents Transformer. An overview of the device. Principle of operation of a single-phase transformer 3.
More informationPerformance Evaluation and Comparison of Switched Reluctance Cylindrical Linear Motor
Performance Evaluation and Comparison of Switched Reluctance Cylindrical Linear Motor. Azhar* 1, H. Wakiwaka* 1, K. Tashiro* 1, H. Yajima* 2, T. Kanazawa* 2 and N. ujiwara* 2 Nowadays, most of the researchers
More informationStatic Characteristics of Switched Reluctance Motor 6/4 By Finite Element Analysis
Australian Journal of Basic and Applied Sciences, 5(9): 1403-1411, 2011 ISSN 1991-8178 Static Characteristics of Switched Reluctance Motor 6/4 By Finite Element Analysis 1 T. Jahan. 2 M.B.B. Sharifian
More informationReluctance Synchronous Machine with a Particular Cageless Segmental Rotor
Reluctance Synchronous Machine with a Particular Cageless Segmental Rotor I.A. Viorel 1, I. Husain 2, Ioana Chişu 1, H.C. Hedeşiu 1, G. Madescu 3 and L. Szabó 1 1 Dept. of Electrical Machines, Technical
More informationLINEAR MOTION is an essential requirement in many
4346 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 61, NO. 8, AUGUST 2014 Transverse-Flux-Type Cylindrical Linear Synchronous Motor Using Generic Armature Cores for Rotary Machinery Jung-Seob Shin,
More informationMeasurement of Flux Linkage and Inductance Profile of SRM
Measurement of Flux Linkage and Inductance Profile of SRM Rakesh Saxena, Bhim Singh and Yogesh Pahariya Abstract The main goal in modeling of SRM is to provide a good accuracy over the entire speed and
More informationMechanical Engineering Journal
Bulletin of the JSME Mechanical Engineering Journal Vol.4, No.5, 2017 Modeling and control design simulations of a linear flux-switching permanent-magnet-levitated motor Rafal P. JASTRZEBSKI*, Pekko JAATINEN*
More informationFachgebiet Leistungselektronik und Elektrische Antriebstechnik. Test Examination: Mechatronics and Electrical Drives
Prof. Dr. Ing. Joachim Böcker Test Examination: Mechatronics and Electrical Drives 8.1.214 First Name: Student number: Last Name: Course of Study: Exercise: 1 2 3 Total (Points) (2) (2) (2) (6) Duration:
More informationSunita.Ch 1, M.V.Srikanth 2 1, 2 Department of Electrical and Electronics, Shri Vishnu engineering college for women, India
MODELING AND ANALYSIS OF 6/4 SWITCHED RELUCTANCE MOTOR WITH TORQUE RIPPLE REDUCTION Sunita.Ch 1, M.V.Srikanth 2 1, 2 Department of Electrical and Electronics, Shri Vishnu engineering college for women,
More informationPRINCIPLE OF DESIGN OF FOUR PHASE LOW POWER SWITCHED RELUCTANCE MACHINE AIMED TO THE MAXIMUM TORQUE PRODUCTION
Journal of ELECTRICAL ENGINEERING, VOL. 55, NO. 5-6, 24, 138 143 PRINCIPLE OF DESIGN OF FOUR PHASE LOW POWER SWITCHED RELUCTANCE MACHINE AIMED TO THE MAXIMUM TORQUE PRODUCTION Martin Lipták This paper
More informationELECTRICALMACHINES-I QUESTUION BANK
ELECTRICALMACHINES-I QUESTUION BANK UNIT-I INTRODUCTION OF MAGNETIC MATERIAL PART A 1. What are the three basic rotating Electric machines? 2. Name the three materials used in machine manufacture. 3. What
More information4 Finite Element Analysis of a three-phase PM synchronous machine
Assignment 4 1-1 4 Finite Element Analysis of a three-phase PM synchronous machine The goal of the third assignment is to extend your understanding on electromagnetic analysis in FEM. This assignment is
More information1. Introduction. (Received 21 December 2012; accepted 28 February 2013)
940. Magnetic equivalent circuit model of surface type fractional-slot permanent magnet synchronous generator Y. Oner, I. enol,. Bekiroglu, E. Aycicek Y. Oner 1, I. enol 2,. Bekiroglu 3, E. Aycicek 4 Yıldız
More informationTubular Linear Permanent Magnet Actuator with Fractional Slots
IEEJ Journal of Industry Applications Vol.1 No.3 pp.17 177 DOI: 10.1541/ieejjia.1.17 Paper Tubular Linear Permanent Magnet Actuator with Fractional Slots oberto Di Stefano Non-member, Fabrizio Marignetti
More informationA Linear Motor Driver with HTS Levitation Techniques
Volume 1, Number 1, June 2007 Journal of Science, Technology and Engineering 34 A Linear Motor Driver with HTS Levitation Techniques Jian-Xun Jin a, You-Guang Guo b, and Jian-Guo Zhu b a Centre of Applied
More informationSimulation Results of a Switched Reluctance Motor Based on Finite Element Method and Fuzzy Logic Control
2012 International Conference on Environmental, Biomedical and Biotechnology IPCBEE vol.41 (2012) (2012) IACSIT Press, Singapore Simulation Results of a Switched Reluctance Motor Based on Finite Element
More informationDetermination of a Synchronous Generator Characteristics via Finite Element Analysis
SERBIAN JOURNAL OF ELECTRICAL ENGINEERING Vol. 2, No. 2, November 25, 157-162 Determination of a Synchronous Generator Characteristics via Finite Element Analysis Zlatko Kolondzovski 1, Lidija Petkovska
More informationConcept Design and Performance Analysis of HTS Synchronous Motor for Ship Propulsion. Jin Zou, Di Hu, Mark Ainslie
Concept Design and Performance Analysis of HTS Synchronous Motor for Ship Propulsion Jin Zou, Di Hu, Mark Ainslie Bulk Superconductivity Group, Engineering Department, University of Cambridge, CB2 1PZ,
More informationPCIM Europe 2011, May 2011, Nuremberg, Germany Paper 160
A Rotary-Linear Switched Reluctance Motor for Advanced Industrial Applications Ioana BEŢIA, Technical University of Cluj-apoca, Romania, Ioana.Bentia@mae.utcluj.ro Mircea RUBA, Technical University of
More informationExperimental Assessment of Unbalanced Magnetic Force according to Rotor Eccentricity in Permanent Magnet Machine
Journal of Magnetics 23(1), 68-73 (218) ISSN (Print) 1226-175 ISSN (Online) 2233-6656 https://doi.org/1.4283/jmag.218.23.1.68 Experimental Assessment of Unbalanced Magnetic Force according to Rotor Eccentricity
More informationKeywords: Electric Machines, Rotating Machinery, Stator faults, Fault tolerant control, Field Weakening, Anisotropy, Dual rotor, 3D modeling
Analysis of Electromagnetic Behavior of Permanent Magnetized Electrical Machines in Fault Modes M. U. Hassan 1, R. Nilssen 1, A. Røkke 2 1. Department of Electrical Power Engineering, Norwegian University
More informationTRACING OF MAXIMUM POWER DENSITY POINT FOR AXIAL FLUX TORUS TYPE MACHINES USING GENERAL PURPOSE SIZING EQUATIONS
TRACING OF MAXIMUM POWER DENSITY POINT FOR AXIAL FLUX TORUS TYPE MACHINES USING GENERAL PURPOSE SIZING EQUATIONS M. Ramanjaneyulu Chowdary Dr.G.S Raju Mr.V.Rameshbabu M.Tech power electronics Former BHU
More informationCogging Torque Reduction in Permanent-Magnet Brushless Generators for Small Wind Turbines
Journal of Magnetics 20(2), 176-185 (2015) ISSN (Print) 1226-1750 ISSN (Online) 2233-6656 http://dx.doi.org/10.4283/jmag.2015.20.2.176 Cogging Torque Reduction in Permanent-Magnet Brushless Generators
More informationUJET VOL. 2, NO. 2, DEC Page 8
UMUDIKE JOURNAL OF ENGINEERING AND TECHNOLOGY (UJET) VOL. 2, NO. 2, DEC 2016 PAGE 8-15 FINITE ELEMENT ANALYSIS OF A 7.5KW ASYNCHRONOUS MOTOR UNDER INTERMITTENT LOADING. Abunike, E. C. and Okoro, O. I.
More informationOptimal Design of PM Axial Field Motor Based on PM Radial Field Motor Data
Optimal Design of PM Axial Field Motor Based on PM Radial Field Motor Data GOGA CVETKOVSKI LIDIJA PETKOVSKA Faculty of Electrical Engineering Ss. Cyril and Methodius University Karpos II b.b. P.O. Box
More informationDesign and analysis of Axial Flux Permanent Magnet Generator for Direct-Driven Wind Turbines
Design and analysis of Axial Flux Permanent Magnet Generator for Direct-Driven Wind Turbines Sung-An Kim, Jian Li, Da-Woon Choi, Yun-Hyun Cho Dep. of Electrical Engineering 37, Nakdongdae-ro, 55beon-gil,
More informationDesign, analysis and fabrication of linear permanent magnet synchronous machine
Design, analysis and fabrication of linear permanent magnet synchronous machine Monojit Seal Dept. of Electrical Engineering, IIEST, Shibpur, Howrah - 711103 W.B., India. email: seal.monojit@gmail.com
More informationTorque Analysis of Permanent Magnet Hybrid Stepper Motor using Finite Element Method for Different Design Topologies
International Journal of Power Electronics and Drive System (IJPEDS) Vol.2, No.1, March 212, pp. 17~116 ISSN: 288-8694 17 Torque Analysis of Permanent Magnet Hybrid Stepper Motor using Finite Element Method
More informationAnalytical Model for Permanent Magnet Motors With Surface Mounted Magnets
386 IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 18, NO. 3, SEPTEMBER 2003 Analytical Model for Permanent Magnet Motors With Surface Mounted Magnets Amuliu Bogdan Proca, Member, IEEE, Ali Keyhani, Fellow,
More informationTorque Ripple Reduction Using Torque Compensation Effect of an Asymmetric Rotor Design in IPM Motor
Journal of Magnetics 22(2), 266-274 (2017) ISSN (Print) 1226-1750 ISSN (Online) 2233-6656 https://doi.org/10.4283/jmag.2017.22.2.266 Torque Ripple Reduction Using Torque Compensation Effect of an Asymmetric
More information3D FEM MODELS OF LINEAR ELECTRICAL MACHINES USED IN FAULT DETECTION STUDIES
3D FEM MODELS OF LINEAR ELECTRICAL MACHINES USED IN FAULT DETECTION STUDIES Loránd SZABÓ 1, Dan-Cristian POPA 1, Vasile IANCU 1 Ernő KOVÁCS 2, Ferenc TÓTH 2 1 Department of Electrical Machines, Technical
More informationPrototype development model for conveyor using linear induction motor
Prototype development model for conveyor using linear induction motor Prof.Mr. Vikas. S. Bhandare Mr. Patil Keval N. EE Department BE Electrical, 8 th sem Mr. Magdum Santosh D BE Electrical, 8 th sem Mr.
More informationAXIAL FLUX INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR WITH SINUSOIDALLY SHAPED MAGNETS
AXIAL FLUX INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR WITH SINUSOIDALLY SHAPED MAGNETS A. Parviainen, J. Pyrhönen, M. Niemelä Lappeenranta University of Technology, Department of Electrical Engineering
More informationBasics of Permanent Magnet - Machines
Basics of Permanent Magnet - Machines 1.1 Principles of energy conversion, force & torque 1.2 Basic design elements 1.3 Selection of PM-Machine topologies 1.4 Evaluation and Comparison Permanent Magnet
More informationSTAR-CCM+ and SPEED for electric machine cooling analysis
STAR-CCM+ and SPEED for electric machine cooling analysis Dr. Markus Anders, Dr. Stefan Holst, CD-adapco Abstract: This paper shows how two well established software programs can be used to determine the
More informationCogging torque reduction of Interior Permanent Magnet Synchronous Motor (IPMSM)
Scientia Iranica D (2018) 25(3), 1471{1477 Sharif University of Technology Scientia Iranica Transactions D: Computer Science & Engineering and Electrical Engineering http://scientiairanica.sharif.edu Cogging
More informationMathematical Modelling of Permanent Magnet Synchronous Motor with Rotor Frame of Reference
Mathematical Modelling of Permanent Magnet Synchronous Motor with Rotor Frame of Reference Mukesh C Chauhan 1, Hitesh R Khunt 2 1 P.G Student (Electrical),2 Electrical Department, AITS, rajkot 1 mcchauhan1@aits.edu.in
More informationA Novel Linear Switched Reluctance Machine: Analysis and Experimental Verification
American J. of Engineering and Applied Sciences 3 (2): 433-440, 2010 ISSN 1941-7020 2010 Science Publications A Novel Linear Switched Reluctance Machine: Analysis and Experimental Verification 1 N.C. Lenin
More informationELECTRIC MACHINE TORQUE PRODUCTION 101
ELECTRIC MACHINE TORQUE PRODUCTION 101 Best Electric Machine, 014 INTRODUCTION: The following discussion will show that the symmetrical (or true dual-ported) transformer electric machine as only provided
More informationVehicular Suspension and Propulsion Using Double Sided Linear Induction Machines
Vehicular Suspension and Propulsion Using Double Sided Linear Induction Machines Tom Cox Power Electronics Machines and Control Group The University of Nottingham Nottingham, UK t.cox@nottingham.ac.uk
More informationA New Axial Flux Surface Mounted Permanent Magnet Machine Capable of Field Control
A ew Axial Flux urface Mounted Permanent Magnet Machine Capable of Field Control Metin Aydin 1, tudent Member, IEEE urong Huang 2, Member, IEEE Thomas A. ipo 1, Fellow, IEEE maydin@ieee.org srhuang@yc.shu.edu.cn
More informationRESEARCH ON REDUCING COGGING TORQUE IN PERMANENT MAGNET SYNCHRONOUS GENERATORS
U.P.B. Sci. Bull., Series C, Vol. 77, Iss. 3, 2015 ISSN 2286-3540 RESEARCH ON REDUCING COGGING TORQUE IN PERMANENT MAGNET SYNCHRONOUS GENERATORS Ion TRIFU 1 This paper presents different cogging torque
More information2002 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media,
00 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising
More informationComparison of control oriented models for the Long-Stator Linear Synchronous Motor and their experimental validation
Comparison of control oriented models for the LongStator Linear Synchronous Motor and their experimental validation Roberto Leidhold Rodrigo Benavides Peter Mutschler Department of Power Electronics and
More informationTHERMAL FIELD ANALYSIS IN DESIGN AND MANUFACTURING OF A PERMANENT MAGNET LINEAR SYNCHRONOUS MOTOR
THERMAL FIELD ANALYSIS IN DESIGN AND MANUFACTURING OF A PERMANENT MAGNET LINEAR SYNCHRONOUS MOTOR Petar UZUNOV 1 ABSTRACT: The modern Permanent Magnet Linear Synchronous Motors (PMLSM) has a wide range
More informationA new hybrid method for the fast computation of airgap flux and magnetic forces in IPMSM
2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER) A new hybrid method for the fast computation of airgap flux and magnetic forces in IPMSM Emile Devillers, Michel
More informationModelling of Permanent Magnets Track in the Finite Element Analysis of Linear Synchronous Motor
International Journal of Engineering and Applied Sciences (IJEAS) ISSN: 294-661, Volume-, Issue-4, April 2016 Modelling of Permanent Magnets Track in the Finite Element Analysis of Linear Synchronous Motor
More informationParameter Prediction and Modelling Methods for Traction Motor of Hybrid Electric Vehicle
Page 359 World Electric Vehicle Journal Vol. 3 - ISSN 232-6653 - 29 AVERE Parameter Prediction and Modelling Methods for Traction Motor of Hybrid Electric Vehicle Tao Sun, Soon-O Kwon, Geun-Ho Lee, Jung-Pyo
More informationElectrical Machines and Energy Systems: Operating Principles (Part 2) SYED A Rizvi
Electrical Machines and Energy Systems: Operating Principles (Part 2) SYED A Rizvi AC Machines Operating Principles: Synchronous Motor In synchronous motors, the stator of the motor has a rotating magnetic
More informationChapter 4. Synchronous Generators. Basic Topology
Basic Topology Chapter 4 ynchronous Generators In stator, a three-phase winding similar to the one described in chapter 4. ince the main voltage is induced in this winding, it is also called armature winding.
More informationDesigning an Efficient Permanent Magnet Generator for Outdoor Utilities İlhan Tarımer
Designing an Efficient Permanent Magnet Generator for Outdoor Utilities İlhan Tarımer Abstract This paper deals with designing, modelling and production process of a permanent magnet axial flux structured
More informationSHAPE DESIGN OPTIMIZATION OF INTERIOR PERMANENT MAGNET MOTOR FOR VIBRATION MITIGATION USING LEVEL SET METHOD
International Journal of Automotive Technology, Vol. 17, No. 5, pp. 917 922 (2016) DOI 10.1007/s12239 016 0089 7 Copyright 2016 KSAE/ 092 17 pissn 1229 9138/ eissn 1976 3832 SHAPE DESIGN OPTIMIZATION OF
More informationStudy and Characterization of the Limiting Thermal Phenomena in Low-Speed Permanent Magnet Synchronous Generators for Wind Energy
1 Study and Characterization of the Limiting Thermal Phenomena in Low-Speed Permanent Magnet Synchronous Generators for Wind Energy Mariana Cavique, Student, DEEC/AC Energia, João F.P. Fernandes, LAETA/IDMEC,
More informationLimited Angle Torque Motors Having High Torque Density, Used in Accurate Drive Systems
Limited Angle Torque Motors Having High Torque Density, Used in Accurate Drive Systems R.Obreja,I.R.Edu Abstract A torque motor is a special electric motor that is able to develop the highest possible
More informationDevelopment of a new linear actuator for Androids
8 IEEE International Conference on Robotics and Automation Pasadena, CA, USA, May 19-3, 8 Development of a new linear actuator for Androids Masayuki MISHIMA, Hiroshi ISHIGURO and Katsuhiro HIRATA, Member,
More informationAnalytical Method for Predicting the Air-Gap Flux Density of Dual-Rotor Permanent- Magnet (DRPM) Machine
Analytical Method for Predicting the Air-Gap Flux Density of Dual-Rotor Permanent- Magnet (DRPM) Machine W.Xie, G.Dajaku*, D.Gerling Institute for Electrical Drives and Actuators, University of Federal
More informationMassachusetts Institute of Technology Department of Electrical Engineering and Computer Science Electric Machines
Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 6.685 Electric Machines Problem Set 10 Issued November 11, 2013 Due November 20, 2013 Problem 1: Permanent
More informationFUZZY LOGIC CONTROL of SRM 1 KIRAN SRIVASTAVA, 2 B.K.SINGH 1 RajKumar Goel Institute of Technology, Ghaziabad 2 B.T.K.I.T.
FUZZY LOGIC CONTROL of SRM 1 KIRAN SRIVASTAVA, 2 B.K.SINGH 1 RajKumar Goel Institute of Technology, Ghaziabad 2 B.T.K.I.T., Dwarhat E-mail: 1 2001.kiran@gmail.com,, 2 bksapkec@yahoo.com ABSTRACT The fuzzy
More informationChapter 14. Reluctance Drives: Stepper-Motor and Switched- Reluctance Drives
Chapter 14 Reluctance Drives: tepper-motor and witched- Reluctance Drives Reluctance Drives 14-1 tepper Motor and witched Reluctance Drives q Reluctance Drives tepper Motor drives - ccurate position control
More information