«RELUCTIVITY»に関連する英語の本
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1
Non-linear Electromagnetic Systems: ISEM '99
In order to analyze the machines under rotating magnetic fields, we have to use
the two-dimensional magnetic properties mesured as the reluctivity tensor. In this
paper, we propose an induction motor model core that has inclined stator slots ...
Paolo Di Barba, A. Savini, 2000
2
Numerical Simulation of Hysteresis Effects in Ferromagnetic ...
4.2.3 Linearization Techniques for Nonlinear Problems For magnetoquasistatic
problems with nonlinear material, the reluctivity matrix Mν depends on the
unknown vector potential a resulting in a nonlinear system of equations as in (
3.39).
3
Lectures on Electrical Engineering
etc., the linear law of reluctivity (5) and (3) is rigidly obeyed by the metallic
induction S0. In the more or less impure commercial materials, however, the p —
H relation, while a straight line, often has one, and occasionally two points, where
its ...
Charles Proteus Steinmetz, Philip Langdon Alger, 2003
4
Scientific Computing in Electrical Engineering
(7) The Jacobian F(a) is derived from the algebraic formulation (5) as follows F(a)
= ̃Cd db ( Mνb ) C = ̃CMνdC, where Mνd is the differential reluctivity matrix.
Similarly as for the chord reluctivity matrix Mν, the differential reluctivity matrix can
be ...
G. Ciuprina, D. Ioan, 2007
5
Electromagnetic Modeling by Finite Element Methods
SSA-PI/ =D Q— dt +L — lf =\J dt y (8.47) (8.48) As already presented, matrix SS in
the equations above is a function of the magnetic reluctivity v = \l fJ. . If the
hysteresis effects are neglected, only positive values for the reluctivity exist.
However ...
João Pedro A. Bastos, Nelson Sadowski, 2003
6
Distributed Generation: Induction and Permanent Magnet ...
Using the magnetization curve of the magnetic material, the corresponding
values of permeability ii (and hence the reluctivity v) are updated. The
computations are repeated until the iteration error A£2 or the reluctivity error Au2
is within the ...
Loi Lei Lai, Tze Fun Chan, 2008
7
Trends in Materials Science Research
Another mathematical form of the virgin magnetization is its inverse susceptibility,
or reluctivity, shown in Eq. (18) pm The applied magnetic field reduces the
reversible reluctivity until it approaches saturation and becomes reversible again.
8
Finite Elements for Electrical Engineers
0.005- | 0.004 0.003- 0.002- 0.001 - 0.000 01234 Squared flux density |B|!, (tesla)'
Fig 5.6 Reluctivity curve corresponding to Fig. 5.5. Note the flat region at the left,
with constant low reluctivity where the material is essentially linear. Newton ...
Peter P. Silvester, Ronald L. Ferrari, 1996
The Magnetic Reluctivity Relationship as Related to Certain Structures of a
Eutectoid-Carbon Steel . . . . . . .C. Nusbaum, W. L. Cheney, and H. Scott The
magnetic reluctivity relationship permits a study of the structure of a eutectoid
carbon steel ...
United States. National Bureau of Standards, 1925
Magnetic Reluctivity Relationship. — The magnetic reluctivity relationship
showing a linear relationship between magnetic reluctivity and magnetizing force
has been used to quite an extent for the interpretation of data on the correlation ...
United States. National Bureau of Standards, 1927
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