Macro element method for modeling eddy currents in the multi-conductor windings of electrical machines

Acta Polytechnica Scandinavica, Electrical Engineering

Volumn , Issue 106, 2001, Pages

  Szucs A ^a  

^a AALTO UNIVERSITY   (Finland)

Author keywords

Eddy currents; Finite element methods; Machine windings; Macro elements; Skin effect

Indexed keywords

ELECTRIC LOSSES; ELECTRIC MACHINERY; FINITE ELEMENT METHOD; MACHINE WINDINGS; MAGNETIC FIELD EFFECTS; MATHEMATICAL MODELS; SKIN EFFECT;

GAUSS ELIMINATION;

EDDY CURRENTS;

EID: 0035198084     PISSN: 00016845     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (73)

1. H-formulation boundary-element method analysis for skin and proximity effect eddy-current problems
2. Finite element solution of skin effect and eddy current problems
3. Finite element analysis of cage induction motors fed by static frequency converters
4. Analysis of induction motors based on the numerical solution of the magnetic field and circuit equations
5. Evaluation of additional copper losses in induction motors by a coupled magneto thermal computation
6. An improved thermometric method for measuring local power dissipation
7. Finite element modelling of multiturn windings with attached electric circuits
8. Skin effect and proximity effect in multiconductor systems with applied currents and voltages
9. Comparison of alternative formulation of three-dimensional magnetic fie and eddy current problems
10. A network approach to the numberical solution of eddy current problems
11. Finite element analysis of the skin effect in current carrying conductors
12. Two dimensional time-domain solution of the eddy current problem in rotating electrical machinery
13. Electric machine modeling and power system constraints
14. Kron's reduction method applied to the time stepping finite element analysis of induction machines
15. Finite element analysis of eddy current loss in electric machine winding composed of hollow and full copper conductors
16. Study of eddy currents in transformer windings caused by a non-linear rectifier load
17. Eddy current in large slot wound conductors
18. Investigation of current flow in the bars of radially-ducted cage rotors using a three dimensional finite element formulation
19. A novel mapping technique for open boundary finite element solutions to poissons equation
20. A posteriori adaptive mesh refinement in the finite element eddy current computation
21. Impedance boundary condition for multiply connected domains with exterior circuit conditions
22. Calculation of current distribution and stray losses in arbritarily transposed stator coils
23. Numerical calculation of eddy-currents and losses in squirrel cage induction motors due to supply harmonics
24. Eddy currents modeling by using analytic elements
25. The numerical solution of steady-state skin effect problems - An integrodifferential approach
26. Eddy currents
27. A new method for the calculation of magnetic fields in A.C. machines
28. On calculation of 3-D eddy currents in conducting and magnetic shells
29. Computational methods for solving static field and eddy current problems via Fredholm integral equations
30. Multiple conductor induction problem: Analytical approach
31. 2D finite element and analytic calculation of eddy current losses in thin linear conductors
32. Shape optimization of windings for minimum losses
33. A new hybrid model using electric field formulation for 3-D eddy current problems
34. A BEM code for 3-D eddy current calculations
35. Calculation of two-dimensional eddy current problems with the boundary element method
36. Eddy current calculations in electrical machines; Numerical solution technique and accuracy problems
37. Combination of fixed-point technique and Newton-Raphson method for magnetic field problems with hysteresis
38. Calculation of hysteresis losses by the Preisach model within finite element analysis
39. Calculation of hysteresis losses by the Preisach model within finite element analysis
40. Finite element calculation of harmonic losses in AC machine windings
41. A comparison of boundary integral and finite element formulations of eddy current problem
42. Numerical method for determining the stray losses of conductors in armature slots
43. Magnetoelluric: Modelling by the finite element method
44. Modal network representation of slot-embedded conductors
45. Modal network theory of skin effect in flat conductors
46. Skin effect in multiple and polyphase conductors
47. AC resistance and reactance of isolated rectangular conductors
48. Two dimensional finite element modelling of eddy current problems - The effect of circuit connection
49. Contribution to the finite element analysis of eddy currents in multi-conductor windings surrounded by magnetically nonlinear media
50. A new technique for the consideration of eddy currents in multi conductor windings using the finite element method
51. Newton Raphson iteration using the finite element method and the elimination of inner nodes for the consideration of eddy currents in multi conductor windings
52. Study of electrical machines, using a new interactive finite element preprocessor
53. Study of electrical machines, using a new interactive finite element preprocessor
54. Investigation of electrical machines by using a new interactive finite element preprocessor in Unix X-Window environment
55. Transient eddy current analysis by the boundary element method using fourier transforms
56. Applications of integral equation methods for the numerical solution of magnetostatic and eddy currents problems
57. A method for circuit connections in time-dependent eddy current problems
58. Coupled field-circuit problems: Trends and accomplishments
59. A survey of numerical methods for transient eddy current problems
60. A one step finite element method for multiconductor skin effect problems
61. Finite element solution of eddy currents in asynchronous generator rotors
62. Design of amortisseur windings of single-phase synchronous generators using time-stepping finite element simulations
63. An improved network model for eddy current problems
64. The hopfield neural network and its application for direct solution and inverse optimization in finite element analysis
65. Diffusion of the electromagnetic field in systems of parallel conductors of arbitrary cylindrical shape on passage of short current pulses
66. New quasi-three-dimensional integro-differential formulation of the method of boundary integral equations for the calculation of the skin effect and eddy currents in parallel conductors
67. High frequency losses in multi-turn coils using a boundary element model
68. BEM for solving nonlinear eddy current problems in multi-conductors