The analysis of eddy currents:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Oxford
Clarendon Press
1974
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Monographs in electrical and electronic engineering |
| Beschreibung: | XI, 128 S. |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804123484833447936 |
|---|---|
| adam_text | Monographs in Electrical and Electronic Engineering
Editors; P HAMMOND, D WALSH
Contents
List of principal symbols xi
1 INTRODUCTION 1
1 1 Ferromagnetic materials 2
1 2 The field equations 4
1 3 Poynting’s theorem 6
1 4 Boundary conditions 7
2 ONE-DIMENSIONAL EDDY-CURRENT FLOW 10
2 1 General solution for a plate of nonmagnetic or linear magnetic material 10
22A plate or lamination subject to a uniform applied field parallel to its surface 13
2 3 Reflected impedance and complex permeability 15
2 4 Approximate allowance for the effect of hysteresis 16
2 5 Flat current-carrying busbars 18
2 6 The impedance of a busbar 20
2 7 The eddy-current skin effect 21
2 8 Conductors of circular cross-section 23
2 9 Eddy-current screening 26
3 THE STEP-FUNCTION MAGNETIZATION CHARACTERISTIC 28
3 1 Solution for a thick plate with sinusoidal surface field 28
3 2 Comment 32
3 3 The saturation flux density Bs 33
4 TWO-DIMENSIONAL ANALYTICAL METHODS FOR LINEAR CONDUCTORS 34
4 1 Separation of variables in a two-dimensional rectangular system 35
4 2 Boundary conditions 37
4 3 Eddy currents in a long rectangular bar 38
4 4 The finite Fourier transform method 40
4 5 Eddy-current modes—an equivalent circuit approach 42
4 6 An isolated conductor of rectangular cross-section carrying a load current 45
4 7 Rectangular and T-shaped conductors in slots 49
48A flat plate subjected to a travelling wave of flux 57
4 9 Eddy-current loss in a thick plate 60
4 10 The use of images in the calculation of the tangential surface field 62
4 11 Line currents as sources of excitation 63
4 12 An integral solution applied to an isolated conductor 69
5 THE POWER-SERIES METHOD 72
5 1 Application to a lamination 72
5 2 The reference field or current 75
5 3 Semi-infinite slab parallel to a current sheet 75
X
Contents
6 FINITE-DIFFERENCE SOLUTION OF NONLINEAR ONE-DIMENSIONAL
PROBLEMS 7
6 1 Finite-difference equations 7
6 2 The Crank-Nicolson equation 8
6 3 Use of the Crank-Nicolson method for nonlinear problems 8
6 4 The hopscotch scheme 8
6 5 Use of the hopscotch method for nonlinear problems 8
6 6 Treatment of a saturated steel plate 8
6 7 Inclusion of hysteresis 9
7 USE OF DIMENSIONAL ANALYSIS 9
7 1 Dimensional analysis of saturated steel plate 9
7 2 Nonmagnetic conductor in transverse field 9
8 FINITE-DIFFERENCE SOLUTION OF LINEAR TWO-DIMENSIONAL
PROBLEMS 9
8 1 Finite-difference mesh 98
8 2 Finite-difference equations 99
8 3 The model problem 104
8 4 Successive overrelaxation (SOR) 105
8 5 Alternating-direction implicit method (ADI) 108
8 6 Strongly-implicit iterative method 112
8 7 Accuracy of the finite-difference equation 115
8 8 Boundary conditions 117
8 9 Improving convergence 118
8 10 A rectangular conductor in a uniform transverse field 119
8 11 Eddy-current loss in hollow conductors in electrical machine slots 121
CONCLUSION 123
REFERENCES 124
|
| any_adam_object | 1 |
| author | Stoll, Richard L. |
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| dewey-tens | 620 - Engineering and allied operations |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
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| illustrated | Not Illustrated |
| indexdate | 2024-07-09T17:30:30Z |
| institution | BVB |
| language | English |
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| physical | XI, 128 S. |
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| publishDate | 1974 |
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| spelling | Stoll, Richard L. Verfasser aut The analysis of eddy currents Oxford Clarendon Press 1974 XI, 128 S. txt rdacontent n rdamedia nc rdacarrier Monographs in electrical and electronic engineering Eddy currents (Electric) Wirbelstrom (DE-588)4190009-1 gnd rswk-swf Wirbelstrom (DE-588)4190009-1 s DE-604 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006009453&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Stoll, Richard L. The analysis of eddy currents Eddy currents (Electric) Wirbelstrom (DE-588)4190009-1 gnd |
| subject_GND | (DE-588)4190009-1 |
| title | The analysis of eddy currents |
| title_auth | The analysis of eddy currents |
| title_exact_search | The analysis of eddy currents |
| title_full | The analysis of eddy currents |
| title_fullStr | The analysis of eddy currents |
| title_full_unstemmed | The analysis of eddy currents |
| title_short | The analysis of eddy currents |
| title_sort | the analysis of eddy currents |
| topic | Eddy currents (Electric) Wirbelstrom (DE-588)4190009-1 gnd |
| topic_facet | Eddy currents (Electric) Wirbelstrom |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=006009453&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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