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electric motors and drives

Electric motors and drives technical manual 2010 edition

Electric motors and drives technical manual 2010 edition

Cơ khí - Chế tạo máy

... class. Slip-ring motors, commutator motors and brake motors can all be made inflameproof versions.No external parts may cause sparks.The motors must have both an internal and an external earthing ... sets the standards. Or at least many countries basetheir standards very closely on the IEC standards (for example,Germany's VDE 0530 standard and Great Britain's BS 2613 Standardclosely ... though, the standards can be grouped into two majorcategories: NEMA and IEC (and its derivatives).In North America, the National Electric Manufacturers Association(NEMA) sets motor standards,...
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Electric Machines and Drives Part 1 pot

Electric Machines and Drives Part 1 pot

Kĩ thuật Viễn thông

... Institute of Electrical and Electronics Engineers (IEEE) “Standard Test Procedure for Polyphase Induction Motors and Generators” IEEE 112-B and in its Canadian CSA 390 adaptation. The standard first ... Medium voltage motors • Repaired motors • TENV and TEAO enclosures It’s relevant to notice that regulation concerning single phase and three-phase small (42/48 and 56 frame) motors is ready, ... be obtained from orders@intechweb.org Electric Machines and Drives, Edited by Miroslav Chomat p. cm. ISBN 978-953-307-548-8 ELECTRIC MACHINES AND DRIVES Edited by Miroslav ChomatContentsVISwarm...
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Electric Machines and Drives Part 2 docx

Electric Machines and Drives Part 2 docx

Kĩ thuật Viễn thông

... Canada with the adoption of Standard CAN/CSA- Electric Machines and Drives 14 Fig. 7. Stator Premium motors Fig. 8. Rotor Premium motors Electric Machines and Drives 16 Fig. 11. ... incentives and voluntary measures for the energy efficiency of electric motors is not sufficient, as it is prerequisite to implement mandatory measures for Electric Machines and Drives 22 ... (2008a) “Barriers and incentive policies to high-efficiency motors and drives market penetration,”. IEEE International symposium on power electronics, electrical drives, automation and motion SPEEDAM...
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Electric Machines and Drives part 6 ppt

Electric Machines and Drives part 6 ppt

Kĩ thuật Viễn thông

... estimated speed and reference speed, (i.e.eω=ω−ωre f), a proportional integral compensation is proposed, as follows100 Electric Machines and Drives Electric Machines and Drives 90 ... jNωLmis+ Lrddtir+ Lmddtis(26)102 Electric Machines and Drives where Rs, Rr, Ls and Lrare the stator/rotor resistances and inductances, Lmis the magnetizinginductance, ... θ0sin θ0cos θ0 and K=23⎡⎢⎣1−12−120−√32−√32⎤⎥⎦.xqd and xαβstand for two-dimensional voltage flux and stator current vector, respectively on(q-d) and ( α-β)reference...
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Electric Machines and Drives part 7 ppt

Electric Machines and Drives part 7 ppt

Kĩ thuật Viễn thông

... desired torque, and will be taken as a simple PI controller. The reader isreferred to (1) for motivation and additional details on this control configuration.122 Electric Machines and Drives 0 10 ... variables1prime mover torque and speed, (τLG, ωG) ,and rotor and stator voltages and currents,(vrG, irG), (vsG, isG), respectively. The IM, on the otherhand, is a two–port system with ... infinite, and saturation, iron losses, end winding and slot effects are neglected. Only linear magnetic materials are considered, and it is furtherassumed that all parameters are constant and known....
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Electric Machines and Drives part 8 pdf

Electric Machines and Drives part 8 pdf

Kĩ thuật Viễn thông

... voltages vrGa and vrGb, the IM rotor speed ωmM and itsestimationˆωmM, the estimated IM load torqueˆτML, and the estimated IM speed, given by132 Electric Machines and Drives 52.6 52.65 ... à lacommande des systèmes électromécaniques,” PhD thesis, Université de Paris XI, France,2004.[5] W. Leonhard, “Control of electrical drives, ” Spring-Verlag, 1985.[6] M.S. Vicatos and J.A. ... 2002.[13] A. J. van der Schaft, “L2–Gain and Passivity Techniques in Nonlinear Control,”Springer–Verlag, Berlin, 1999.144 Electric Machines and Drives equation¯σq= LsqLrq− L2mq,¯σd=...
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Electric Machines and Drives part 9 potx

Electric Machines and Drives part 9 potx

Kĩ thuật Viễn thông

... in electric drives. The excellent characteristics of PSO may be successfully used to optimize the performance of electric machines and electric drives in many aspects. It is estimated that, electric ... 2009. IECON ’09. 35th AnnualConference of IEEE, pp. 1003 –1008.160 Electric Machines and Drives Electric Machines and Drives 168 Areall possible operatingconditions optimizedvarying ... 3. Motor parameter identified in simulation.154 Electric Machines and Drives Swarm Intelligence Based Controller for Electric Machines and Hybrid Electric Vehicles Applications 163 rMLlMLmqLlr+-(1/k)ωrλdr+-VqsrriqsiqrRqf...
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Tài liệu Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical ppt

Tài liệu Notes for an Introductory Course On Electrical Machines and Drives E.G.Strangas MSU Electrical ppt

Điện - Điện tử

... understanding ofmodern machines and drives. Power electronics are introduced, at the device and systems level, and electrical drives are discussed.Equations are kept to a minimum, and in the examples only ... basic concepts and build the equations and circuits correspondingfirst to an ideal transformer and then to typical transformers in use. We’ll introduce and work withthe per unit system and will cover ... dash-dot.PrefaceThe purpose of these notes is be used to introduce Electrical Engineering students to ElectricalMachines, Power Electronics and Electrical Drives. They are primarily to serve our students atMSU:...
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Tài liệu Manual for induction motors and generators ppt

Tài liệu Manual for induction motors and generators ppt

Điện - Điện tử

... attached to the concrete, they must be unpainted and free from pollution and dust.Manual for Induction Motors and Generators 24 - Installation and Alignment3BFP 000 050 R0101 REV CFigure 3-2 ... each work site and safety instructions included in this manual and separate safety instructions delivered with the machine.Manual for Induction Motors and Generators 14 - Transport and Unpacking3BFP ... 21Manual for Induction Motors and Generators 12 - Transport and Unpacking3BFP 000 050 R0101 REV C2.4 Checks upon arrival and unpacking2.4.1 Check upon arrivalThe machine and the package must...
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asg 3 motors and oads

asg 3 motors and oads

Điện - Điện tử

... Operating asynchronous motors 3.6 Electric motor comparison3. Motors and loads50A Fig. 25 Ward Leonard arrangement A Fig.26Comparison of electric motors Summary3. Motors and loads37123456789101112M3.1 ... phase asynchronous motors 383.2 Single-phase motors 423.3 Synchronous motors 433.4 Direct current motors commonly named DC motors 453.5 Operating asynchronous motors 473.6 Electric motor comparison ... Other types of synchronous motors To conclude this overview of industrial motors, we can mention linear motors, synchronised asynchronous motors and stepper motors. v Linear motors Their structure...
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Chapter 10  DC machines and drives

Chapter 10 DC machines and drives

Điện - Điện tử

... the output of this comparator ( L ) is high, S 1 and S 2 are closed and S 3 and S 4 are open; when L is low, S 3 and S 4 are closed and S 1 and S 2 are open. The action of this type of current ... low and S 1 and S 2 are opened and S 3 and S 4 are close. The armature current decreases until iiaa=−*ε, at which time the comparator output becomes high; S 1 and S 2 are closed and ... to the comparator with hysteresis, is positive and greater than ε . The output of the comparator is high, and S 1 and S 2 are closed and S 3 and S 4 are open. The armature current increases...
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