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Titlebook: Elektrische Kontakte / Electric Contacts Handbook; Ragnar Holm Book 1958Latest edition Springer-Verlag Berlin Heidelberg 1958 Anode.Elektr

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41#
發(fā)表于 2025-3-28 16:18:31 | 只看該作者
42#
發(fā)表于 2025-3-28 22:09:23 | 只看該作者
The contact surfacentact spots set in. The sum of all these small contact areas makes up the .., which is much smaller than was formerly supposed. For example, the load-bearing contact area between a brush and a slip ring can be hundreds or thousands of times smaller than the polished area; the latter area we call the .., cf. §§ 1 and 4.
43#
發(fā)表于 2025-3-29 00:18:36 | 只看該作者
Investitionsentscheidungen in der Praxisantitative character by means of some calculations, based upon an artificial model of the current flow lines which highly simplifies the treatment. In the later paragraphs the same model is used for the calculation of particular problems.
44#
發(fā)表于 2025-3-29 03:59:16 | 只看該作者
,Planung von Investitionen in Bauger?te,s, ., as the cylinders. We imagine a radial current flow out through this sphere from . to .. In the surrounding body the lines of flow are assumed to be parallel to the axis of the cylinders as in Fig. (11.01).
45#
發(fā)表于 2025-3-29 08:44:00 | 只看該作者
Introduction. A simplified summary of the theory of stationary electric contactsantitative character by means of some calculations, based upon an artificial model of the current flow lines which highly simplifies the treatment. In the later paragraphs the same model is used for the calculation of particular problems.
46#
發(fā)表于 2025-3-29 14:47:46 | 只看該作者
The inductance of a current constriction Skin effects, ., as the cylinders. We imagine a radial current flow out through this sphere from . to .. In the surrounding body the lines of flow are assumed to be parallel to the axis of the cylinders as in Fig. (11.01).
47#
發(fā)表于 2025-3-29 16:33:22 | 只看該作者
Bestimmung des optimalen Kapitaleinsatzes,ct area on the load cannot be given. But instructive formulas can be deduced for representative cases, just as in § 4 resistance formulas for particular cases were formed, which provide the possibility for fairly general computations.
48#
發(fā)表于 2025-3-29 22:21:49 | 只看該作者
49#
發(fā)表于 2025-3-30 00:37:53 | 只看該作者
50#
發(fā)表于 2025-3-30 04:27:43 | 只看該作者
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