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Bibliographische Detailangaben
1. Verfasser:	Vukosavić, Slobodan N. (VerfasserIn)
Format:	Buch
Sprache:	English
Veröffentlicht:	New York, NY [u.a.] Springer 2013
Schriftenreihe:	Power electronics and power systems
Schlagworte:	Elektrische Maschine Energieübertragung Kraftübertragung
Online-Zugang:	Inhaltsverzeichnis Klappentext
Beschreibung:	XXXIII, 649 S. Ill., graph. Darst.
ISBN:	9781461403999

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Datensatz im Suchindex

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adam_text	Power Electronics and Power Systems Slobodan N.Vukosavic Electrical Machines Electrical Machines primarily covers the basic functionality and the role of electrical machines in their typical applications. The effort of applying coordinate transforms is justified by obtaining a more intuitive, concise and easy-to-use model. In this textbook, mathematics is reduced to a necessary minimum, and priority is given to bringing up the system view and explaining the use and external characteristics of machines on their electrical and mechanical ports. Covering the most relevant concepts related to machine size, torque and power, the author explains the losses and secondar} effects, outlining cases and conditions in which some secondar}· phenomena are neglected. While the goal of developing and using machine mathematical models, equivalent circuits and mechanical characteristics persists through the book, the focus is kept on physical insight of electromechanical conversion process. Details such as the slot.shape and the disposition of permanent magnets and their effects on the machine parameters and performance are also covered. This textbook is intended for undergraduate students of electrical engineering as their first course in electrical machines. It is also recommended for students preparing capstone projects in which they need to understand, model, supply, control and specify electric machines. Additionall}·, it can be used as a valuable reference tor other engineering disciplines involved with electrical motors and generators. Electrical Engineering ISBN 978-1-4614-0399-9 ► springer.com Contents 1 Introduction .......................................... 1 1.1 Power Converters and Electrical Machines................. 1 1.1.1 Rotating Power Converters....................... 2 .1.2 Static Power Converters......................... 2 .1.3 The Role of Electromechanical Power Conversion..... 3 . 1.4 Principles of Operation ......................... 3 .1.5 Magnetic and Current Circuits .................... 4 . 1.6 Rotating Electrical Machines ..................... 4 .1.7 Reversible Machines ........................... 5 1.2 Significance and Typical Applications .................... 6 1.3 Variables and Relations of Rotational Movement ............ 10 1.3.1 Notation and System of Units ..................... 12 1.4 Target Knowledge and Skills .......................... 14 1.4.1 Basic Characteristics of Electrical Machines .......... 15 1.4.2 Equivalent Circuits ............................ 15 1.4.3 Mechanical Characteristic ....................... 15 1.4.4 Transient Processes in Electrical Machines ........... 16 1.4.5 Mathematical Model ........................... 16 1.5 Adopted Approach and Analysis Steps .................... 17 1.5.1 Prerequisites ................................. 20 1.6 Notes on Converter Fed Variable Speed Machines ........... 20 1.7 Remarks on High Efficiency Machines ................... 22 1.8 Remarks on Iron and Copper Usage ...................... 22 2 Electromechanical Energy Conversion ...................... 25 2.1 Lorentz Force ..................................... 25 2.2 Mutual Action of Parallel Conductors ................... 27 2.3 Electromotive Force in a Moving Conductor .............. 28 2.4 Generator Mode ................................... 30 2.5 Reluctant Torque .................................. 31 2.6 Reluctant Force ................................... 32 t¡¡ Contents 2.7 Forces on Conductors in Electrical Field ................. 33 2.8 Change of Permittivity .............................. 33 2.9 Piezoelectric Effect ................................. 37 2.10 Magnetostriction ................................... 38 3 Magnetic and Electrical Coupling Field ..................... 41 3.1 Converters Based on Electrostatic Field ................... 41 3.1.1 Charge, Capacitance, and Energy .................. 42 3.1.2 Source Work, Mechanical Work, and Field Energy ..... 43 3.1.3 Force Expression .............................. 44 3.1.4 Conversion Cycle ............................. 46 3.1.5 Energy Density of Electrical and Magnetic Field ....... 48 3.1.6 Coupling Field and Transfer of Energy .............. 49 3.2 Converter Involving Magnetic Coupling Field .............. 50 3.2.1 Linear Converter .............................. 50 3.2.2 Rotational Converter ........................... 53 3.2.3 Back Electromotive Force ....................... 55 4 Magnetic Circuit ....................................... 59 4.1 Analysis of Magnetic Circuits .......................... 61 4.1.1 Flux Conservation Law ......................... 61 4.1.2 Generalized Form of Ampere Law ................. 62 4.1.3 Constitutive Relation Between Magnetic Field H and Induction В ......................... 62 4.2 The Flux Vector .................................... 63 4.3 Magnetizing Characteristic of Ferromagnetic Materials ....... 63 4.4 Magnetic Resistance of the Circuit ...................... 65 4.5 Energy in a Magnetic Circuit .......................... 68 4.6 Reference Direction of the Magnetic Circuit ............... 69 4.7 Losses in Magnetic Circuits ........................... 71 4.7.1 Hysteresis Losses ............................. 71 4.7.2 Losses Due to Eddy Currents ..................... 72 4.7.3 Total Losses in Magnetic Circuit .................. 74 4.7.4 The Methods of Reduction of Iron Losses ............ 75 4.7.5 Eddy Currents in Laminated Ferromagnetics .......... 76 5 Rotating Electrical Machines ............................. 81 5.1 Magnetic Circuit of Rotating Machines ................... 81 5.2 Mechanical Access .................................. 82 5.3 The Windings ...................................... 83 5.4 Slots in Magnetic Circuit ............................. 85 5.5 The Position and Notation of Winding Axis ................ 88 5.6 Conversion Losses .................................. 89 5.7 Magnetic Field in Air Gap ............................ 92 5.8 Field Energy, Size, and Torque ......................... 93 Contents Modeling Electrical Machines ............................. 99 6.1 The Need for Modeling .............................. 100 6.1.1 Problems of Modeling ......................... 101 6.1.2 Conclusion ................................. 103 6.2 Neglected Phenomena ............................... 103 6.2.1 Distributed Energy and Distributed Parameters ....... 104 6.2.2 Neglecting Parasitic Capacitances ................. 104 6.2.3 Neglecting Iron Losses ......................... 105 6.2.4 Neglecting Iron Nonlinearity .................... 105 6.3 Power of Electrical Sources ........................... 105 6.4 Electromotive Force ................................ 106 6.5 Voltage Balance Equation ............................ 107 6.6 Leakage Flux ..................................... 109 6.7 Energy of the Coupling Field ......................... 112 6.8 Power of Electromechanical Conversion ................. 114 6.9 Torque Expression ................................. 117 6.10 Mechanical Subsystem .............................. 119 6.11 Losses in Mechanical Subsystem ....................... 120 6.12 Kinetic Energy .................................... 121 6.13 Model of Mechanical Subsystem ....................... 122 6.14 Balance of Power in Electromechanical Converters ......... 124 6.15 Equations of Mathematical Model ...................... 126 Single-Fed and Double-Fed Converters ...................... 129 7.1 Analysis of Single-Fed Converter ...................... 131 7.2 Variation of Self-inductance .......................... 132 7.3 The Expressions for Power and Torque .................. 133 7.4 Analysis of Double-Fed Converter ...................... 135 7.5 Variation of Mutual Inductance ........................ 137 7.6 Torque Expression ................................. 138 7.6.1 Average Torque .............................. 139 7.6.2 Conditions for Generating Nonzero Torque .......... 139 7.7 Magnetic Poles .................................... 141 7.8 Direct Current and Alternating Current Machines ........... 141 7.9 Torque as a Vector Product ........................... 142 7.10 Position of the Flux Vector in Rotating Machines ........... 145 7.11 Rotating Field ..................................... 149 7.12 Types of Electrical Machines ......................... 151 7.12.1 Direct Current Machines ...................... 151 7.12.2 Induction Machines .......................... 151 7.12.3 Synchronous Machines ........................ 152 Magnetic Field in the Air Gap ............................ 153 8.1 Stator Winding with Distributed Conductors ............... 155 8.2 Sinusoidal Current Sheet .............................. 157 xiv Contents 8.3 Components of Stator Magnetic Field .................... 158 8.3.1 Axial Component of the Field .................... 159 8.3.2 Tangential Component of the Field ................. 162 8.3.3 Radial Component of the Field .................... 164 8.4 Review of Stator Magnetic Field ........................ 168 8.5 Representing Magnetic Field by Vector ................... 169 8.6 Components of Rotor Magnetic Field .................... 175 8.6.1 Axial Component of the Rotor Field ................ 177 8.6.2 Tangential Component of the Rotor Field ............ 177 8.6.3 Radial Component of the Rotor Field ............... 179 8.6.4 Survey of Components of the Rotor Magnetic Field ............................... 181 8.7 Convention of Representing Magnetic Field by Vector .................................... 182 9 Energy, Flux, and Torque ................................ 185 9.1 Interaction of the Stator and Rotor Fields .................. 185 9.2 Energy of Air Gap Magnetic Field ....................... 188 9.3 Electromagnetic Torque .............................. 191 9.3.1 The Torque Expression ......................... 193 9.4 Turn Flux and Winding Них ........................... 194 9.4.1 Flux in One Stator Turn ......................... 196 9.4.2 Flux in One Rotor Turn ......................... 198 9.4.3 Winding Flux ................................ 200 9.4.4 Winding Flux Vector ........................... 203 9.5 Winding Axis and Flux Vector ......................... 205 9.6 Vector Product of Stator and Rotor Flux Vectors ............ 205 9.7 Conditions for Torque Generation ....................... 208 9.8 Torque-Size Relation ................................ 211 9.9 Rotating Magnetic Field .............................. 213 9.9.1 System of Two Orthogonal Windings ............... 213 9.9.2 System of Three Windings ....................... 218 10 Electromotive Forces ................................... 223 10.1 Transformer and Dynamic Electromotive Forces ........... 224 10.2 Electromotive Force in One Turn ....................... 224 10.2.1 Calculating the First Derivative of the Flux in One Turn ....................... 225 10.2.2 Summing Electromotive Forces of Individual Conductors ................................ 227 10.2.3 Voltage Balance in One Turn ................... 227 10.2.4 Electromotive Force Waveform ................. 228 10.2.5 Root Mean Square (rms) Value of Electromotive Forces ....................... 229 10.3 Electromotive Force in a Winding ...................... 230 10.3.1 Concentrated Winding ........................ 230 Contents 10.3.2 Distributed Winding .......................... 230 10.3.3 Chord Factor ............................... 232 10.3.4 Belt Factor ................................ 237 10.3.5 Harmonics Suppression of Winding Belt ........... 238 10.4 Electromotive Force of Compound Winding .............. 241 10.5 Harmonics ....................................... 242 10.5.1 Electromotive Force in Distributed Winding ........ 244 10.5.2 Individual Harmonics ......................... 251 10.5.3 Peak and rms of Winding Electromotive Force ...... 253 11 Introduction to DC Machines ............................. 259 11.1 Construction and Principle of Operation ................. 261 11.2 Construction of the Stator........................... 261 11.3 Separately Excited Machines ......................... 262 11.4 Current in Rotor Conductors ......................... 263 11.5 Mechanical Commutator ............................ 264 11.6 Rotor Winding ................................... 265 1 і .7 Commutation .................................... 270 11.8 Operation of Commutator ........................... 272 11.9 Making the Rotor Winding .......................... 274 11.10 Problems with Commutation ......................... 278 11.11 Rotor Magnetic Field .............................. 283 11.12 Current Circuits and Magnetic Circuits ................. 284 11.13 Magnetic Circuits ................................. 285 11.14 Current Circuits .................................. 285 11.15 Direct and Quadrature Axis .......................... 288 11.15.1 Vector Representation ...................... 289 11.15.2 Resultant Fluxes ........................... 290 11.15.3 Resultant Flux of the Machine ................ 290 11.16 Electromotive Force and Electromagnetic Torque .......... 291 11.16.1 Electromotive Force in Armature Winding ........ 291 11.16.2 Torque Generation ......................... 294 11.16.3 Torque and Electromotive Force Expressions ...... 295 11.16.4 Calculation of Electromotive Force Ea ........... 297 11.16.5 Calculation of Torque ....................... 298 12 Modeling and Supplying DC Machines ...................... 299 12.1 Voltage Balance Equation for Excitation Winding ......... 301 12.2 Voltage Balance Equation in Armature Winding ........... 303 12.3 Changes in Rotor Speed ............................ 304 12.4 Mathematical Model ............................... 305 12.5 DC Machine with Permanent Magnets .................. 306 12.6 Block Diagram of the Model ......................... 306 12.7 Torque Control ................................... 308 12.8 Steady-State Equivalent Circuit ....................... 309 12.9 Mechanical Characteristic ........................... 311 xvi Contents 12.9.1 Stable Equilibrium .......................... 313 12.10 Properties of Mechanical Characteristic ................. 315 12.11 Speed Regulation ................................. 316 12.12 DC Generator .................................... 319 12.13 Topologies of DC Machine Power Supplies .............. 321 12.13.1 Armature Power Supply Requirements .......... 322 12.13.2 Four Quadrants in Т -Ω and U-I Diagrams ........ 323 12.13.3 The Four-Quadrant Power Converter ............ 325 12.13.4 Pulse-Width Modulation ..................... 330 12.13.5 Current Ripple ............................ 335 12.13.6 Topologies of Power Converters ............... 339 13 Characteristics of DC Machines ........................... 343 13.1 Rated Voltage .................................... 344 13.2 Mechanical Characteristic ........................... 344 13.3 Natural Characteristic .............................. 345 13.4 Rated Current .................................... 345 13.5 Thermal Model and Intermittent Operation ............... 346 13.6 Rated Flux ...................................... 351 13.7 Rated Speed ..................................... 352 13.8 Field Weakening .................................. 352 13.8.1 High-Speed Operation ....................... 353 13.8.2 Torque and Power in Field Weakening ........... 354 13.8.3 Них Change .............................. 355 13.8.4 Electromotive Force Change ................... 355 13.8.5 Current Change ............................ 355 13.8.6 Torque Change ............................ 356 13.8.7 Power Change ............................. 356 13.8.8 The Need for Field-Weakening Operation ......... 356 13.9 Transient Characteristic ............................. 357 13.10 Steady-State Operating Area ......................... 357 13.11 Power Losses and Power Balance ..................... 358 13.11.1 Power of Supply ........................... 358 13.11.2 Losses in Excitation Winding ................. 359 13.11.3 Losses Armature Winding .................... 359 13.11.4 Power of Electromechanical Conversion ......... 359 13.11.5 Iron Losses (PFe) .......................... 359 13.11.6 Mechanical Losses (PF) ..................... 360 13.11.7 Losses Due to Rotation (PFe + PF) ............. 361 13.11.8 Mechanical Power ......................... 361 13.12 Rated and Declared Values .......................... 362 13.13 Nameplate Data .................................. 363 Contents xvii 14 Induction Machines..................................... 365 14.1 Construction and Operating Principles ................... 365 14.2 Magnetic Circuits .................................. 367 14.3 Cage Rotor and Wound Rotor ......................... 370 14.4 Three-Phase Stator Winding .......................... 370 14.5 Rotating Magnetic Field ............................. 373 14.6 Principles of Torque Generation ....................... 375 14.7 Torque Expression ................................. 376 15 Modeling of Induction Machines ........................... 379 15.1 Modeling Steady State and Transient Phenomena .......... 379 15.2 The Structure of Mathematical Model .................. 381 15.3 Three-Phase and Two-Phase Machines .................. 382 15.4 Clarke Transform ................................. 387 15.5 Two-Phase Equivalent .............................. 389 15.6 Invariance ...................................... 391 15.6.1 Clarke Transform with К = 1.................. 395 15.6.2 Clarke Transform with К = sqrt(2/3) ............. 396 15.6.3 Clarke Transform with К = 2/3................. 396 15.7 Equivalent Two-Phase Winding ....................... 397 15.8 Model of Stator Windings ........................... 398 15.9 Voltage Balance Equations .......................... 399 15.10 Modeling Rotor Cage .............................. 400 15.11 Voltage Balance Equations in Rotor Winding ............. 403 15.12 Inductance Matrix ................................. 404 15.13 Leakage Flux and Mutual Flux ....................... 404 15.14 Magnetic Coupling ................................ 406 15.15 Matrix L ........................................ 407 15.16 Transforming Rotor Variables to Stator Side ............. 408 15.17 Mathematical Model ............................... 410 15.18 Drawbacks ...................................... 411 15.19 Model in Synchronous Coordinate Frame ................ 414 15.20 Park Transform ................................... 415 15.21 Transform Matrix ................................. 417 15.22 Transforming Rotor Variables ........................ 418 15.23 Vectors and Complex Numbers ....................... 420 15.23.1 Simplified Record of the Rotational Transform ............................... 420 15.24 Inductance Matrix in dq Frame ....................... 421 15.25 Voltage Balance Equations in dq Frame ................. 423 15.26 Electrical Subsystem ............................... 424 16 Induction Machines at Steady State ........................ 427 16.1 Input Power ..................................... 428 16.2 Torque Expression ................................ 429 xviii Contents 16.3 Relative Slip..................................... 430 16.4 Losses and Mechanical Power........................ 430 16.5 Steady State Operation............................. 431 16.6 Analogy with Transformer .......................... 435 16.7 Torque and Current Calculation ....................... 438 16.8 Steady State Torque ............................... 439 16.9 Relative Values .................................. 442 16.10 Relative Value of Dynamic Torque .................... 446 16.11 Parameters of Equivalent Circuit ...................... 449 16.11.1 Rotor Resistance Estimation .................. 455 16.12 Analysis of Mechanical Characteristic .................. 457 16.13 Operation with Slip ................................ 460 16.14 Operation with Large Slip ........................... 461 16.15 Starting Mains Supplied Induction Machine .............. 462 16.16 Breakdown Torque and Breakdown Slip ................ 463 16.17 Kloss Formula ................................... 465 16.18 Stable and Unstable Equilibrium ...................... 466 16.19 Region Suitable for Continuous Operation ............... 467 16.20 Losses and Power Balance .......................... 469 16.21 Copper, Iron, and Mechanical Losses ................... 469 16.22 Internal Mechanical Power .......................... 470 16.23 Relation Between Voltages and Fluxes .................. 472 16.24 Balance of Power ................................. 472 17 Variable Speed Induction Machines ........................ 475 17.1 Speed Changes in Mains-Supplied Machines ............. 476 17.2 Voltage Change .................................. 477 17.3 Wound Rotor Machines ............................. 479 17.4 Changing Pole Pairs ............................... 483 17.4.1 Speed and Torque of Multipole Machines ......... 486 17.5 Characteristics of Multipole Machines .................. 486 17.5.1 Mains-Supplied Multipole Machines ............. 487 17.5.2 Multipole Machines Fed from Static Power Converters ........................... 488 17.5.3 Shortcomings of Multipole Machines ............ 488 17.6 Two-Speed Stator Winding .......................... 490 17.7 Notation ........................................ 492 17.8 Supplying from a Source of Variable Frequency ........... 493 17.9 Variable Frequency Supply .......................... 493 17.10 Power Converter Topology .......................... 494 17.11 Pulse Width Modulation ............................ 495 17.12 Average Value of the Output Voltage .................. 496 17.13 Sinusoidal Output Voltages .......................... 497 17.14 Spectrum of PWM Waveforms ....................... 498 Contents xix 17.15 Current Ripple ................................... 499 17.16 Frequency Control ................................ 502 17.17 Field Weakening .................................. 504 17.17.1 Reversal of Frequency-Controlled Induction Machines ........................ 506 17.18 Steady State and Transient Operating Area ............... 507 17.19 Steady State Operating Limits ........................ 508 17.19.1 RI Compensation .......................... 509 17.19.2 Critical Speed ............................ 510 17.20 Construction of Induction Machines .................... 513 17.20.1 Mains-Supplied Machines .................... 513 17.20.2 Variable Frequency Induction Machines ................................ 517 18 Synchronous Machines .................................. 521 18.1 Principle of Operation .............................. 522 18.2 Stator Windings .................................. 523 18.3 Revolving Field .................................. 524 18.4 Torque Generation ................................ 527 18.5 Construction of Synchronous Machines ................. 530 18.6 Stator Magnetic Circuit ............................. 531 18.7 Construction of the Rotor ........................... 532 18.8 Supplying the Excitation Winding ..................... 533 18.9 Excitation with Rotating Transformer .................. 534 18.10 Permanent Magnet Excitation ........................ 536 18.11 Characteristics of Permanent Magnets .................. 538 18.12 Magnetic Circuits with Permanent Magnets .............. 540 18.13 Surface Mount and Buried Magnets .................... 541 18.14 Characteristics of Permanent Magnet Machines ........... 543 19 Mathematical Model of Synchronous Machine ................ 545 19.1 Modeling Synchronous Machines ..................... 545 19.2 Magnetomotive Force .............................. 547 19.3 Two-Phase Equivalent .............................. 548 19.4 Clarke ЗФ/2Ф Transform ............................ 550 19.5 Inductance Matrix and Voltage Balance Equations ......... 553 19.6 Park Transform ................................... 554 19.7 Inductance Matrix in dq Frame ....................... 556 19.8 Vectors as Complex Numbers ........................ 558 19.9 Voltage Balance Equations .......................... 559 19.10 Electrical Subsystem of Isotropie Machines .............. 561 19.11 Torque in Isotropie Machines ........................ 563 19.12 Anisotropie Rotor ................................. 565 19.13 Reluctant Torque ................................. 566 19.14 Reluctance Motor ................................. 567 xx Contents 20 Steady-State Operation.................................. 571 20.1 Voltage Balance Equations at Steady State ............... 571 20.2 Equivalent Circuit ................................. 573 20.3 Peak and rms Values of Currents and Voltages ............ 574 20.4 Phasor Diagram of Isotropie Machine .................. 576 20.5 Phasor Diagram of Anisotropie Machine ................ 581 20.6 Torque in Anisotropie Machine ....................... 582 20.7 Torque Change with Power Angle ..................... 583 20.8 Mechanical Characteristic ........................... 584 20.9 Synchronous Machine Supplied from Stiff Network ........ 585 20.10 Operation of Synchronous Generators .................. 586 20.] 0.1 Increase of Turbine Power ................... 587 20.10.2 Increase in Line Frequency ................... 589 20.10.3 Reactive Power and Voltage Changes ........... 590 20.10.4 Changes in Power Angle ..................... 591 21 Transients in Sychronous Machines ........................ 595 21.1 Electrical and Mechanical Time Constants ................ 596 21.2 Hunting of Synchronous Machines ..................... 596 21.3 Damped LC Circuit ................................ 600 21.4 Damping of Synchronous Machines ..................... 602 21.5 Damper Winding .................................. 603 21.6 Short Circuit of Synchronous Machines .................. 605 21.6.1 DC Component ............................. 607 21.6.2 Calculation of ISCi ........................... 609 21.6.3 Calculation of ISC2 ........................... 610 21.6.4 Calculation of ISC3 ........................... 613 21.7 Transient and Subtransient Phenomena .................. 618 21.7.1 Interval 1.................................. 618 21.7.2 Interval .................................. 618 21.7.3 Interval 3.................................. 619 22 Variable Frequency Synchronous Machines .................. 621 22.1 Inverter-Supplied Synchronous Machines ................. 621 22.2 Torque Control Principles ............................ 623 22.3 Current Control Principles ............................ 626 22.4 Field Weakening .................................. 629 22.5 Transient and Steady-State Operating Area ............... 632 Bibliography ............................................ 635 Index ................................................. 637
any_adam_object	1
author	Vukosavić, Slobodan N.
author_GND	(DE-588)102830417X
author_facet	Vukosavić, Slobodan N.
author_role	aut
author_sort	Vukosavić, Slobodan N.
author_variant	s n v sn snv
building	Verbundindex
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ctrlnum	(OCoLC)820420127 (DE-599)BVBBV040575464
dewey-full	621.31042
dewey-hundreds	600 - Technology (Applied sciences)
dewey-ones	621 - Applied physics
dewey-raw	621.31042
dewey-search	621.31042
dewey-sort	3621.31042
dewey-tens	620 - Engineering and allied operations
discipline	Elektrotechnik / Elektronik / Nachrichtentechnik
format	Book
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id	DE-604.BV040575464
illustrated	Illustrated
indexdate	2024-07-10T00:26:26Z
institution	BVB
isbn	9781461403999
language	English
oai_aleph_id	oai:aleph.bib-bvb.de:BVB01-025402722
oclc_num	820420127
open_access_boolean
owner	DE-1050 DE-703 DE-83
owner_facet	DE-1050 DE-703 DE-83
physical	XXXIII, 649 S. Ill., graph. Darst.
publishDate	2013
publishDateSearch	2013
publishDateSort	2013
publisher	Springer
record_format	marc
series2	Power electronics and power systems
spelling	Vukosavić, Slobodan N. Verfasser (DE-588)102830417X aut Electrical machines Slobodan N. Vukosavic New York, NY [u.a.] Springer 2013 XXXIII, 649 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Power electronics and power systems Elektrische Maschine (DE-588)4014308-9 gnd rswk-swf Energieübertragung (DE-588)4134707-9 gnd rswk-swf Kraftübertragung (DE-588)4165462-6 gnd rswk-swf Elektrische Maschine (DE-588)4014308-9 s Energieübertragung (DE-588)4134707-9 s Kraftübertragung (DE-588)4165462-6 s 1\p DE-604 Erscheint auch als Online-Ausgabe 978-1-4614-0400-2 Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025402722&sequence=000003&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis Digitalisierung UB Bayreuth application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025402722&sequence=000004&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA Klappentext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk
spellingShingle	Vukosavić, Slobodan N. Electrical machines Elektrische Maschine (DE-588)4014308-9 gnd Energieübertragung (DE-588)4134707-9 gnd Kraftübertragung (DE-588)4165462-6 gnd
subject_GND	(DE-588)4014308-9 (DE-588)4134707-9 (DE-588)4165462-6
title	Electrical machines
title_auth	Electrical machines
title_exact_search	Electrical machines
title_full	Electrical machines Slobodan N. Vukosavic
title_fullStr	Electrical machines Slobodan N. Vukosavic
title_full_unstemmed	Electrical machines Slobodan N. Vukosavic
title_short	Electrical machines
title_sort	electrical machines
topic	Elektrische Maschine (DE-588)4014308-9 gnd Energieübertragung (DE-588)4134707-9 gnd Kraftübertragung (DE-588)4165462-6 gnd
topic_facet	Elektrische Maschine Energieübertragung Kraftübertragung
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025402722&sequence=000003&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025402722&sequence=000004&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA
work_keys_str_mv	AT vukosavicslobodann electricalmachines

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