NDLI: Current distribution in a single-ply coil with conducting “insulation”

Content Provider	Springer Nature Link
Author	Doroshenko, A. P.
Copyright Year	1997
Abstract	A coil made of a continuous rectangular conductor in the form of a single-layer cylindrical helix is analyzed to identify methods of improving the mechanical strength and energy efficiency of resistive systems for producing high magnetic fields with quasi-force-free windings. A characteristic feature of this helix is that the interturn insulation is replaced by a conductor of higher resistivity. An analysis is made of the direction of the resultant current density vector as a function of the ratio of the resistivities of the conductors and the winding angle. It is shown that in principle, the direction of this vector may be arbitrarily defined, by suitably selecting the resistivities of the conductors. In this case, the winding angle may be arbitrarily small. It is demonstrated that these helices will have a high mechanical strength, and when used in quasi-force-free windings they can appreciably reduce the axial current density, which helps to minimize the mechanical stresses and thereby improve the energy efficiency.
Starting Page	1329
Ending Page	1332
Page Count	4
File Format	PDF
ISSN	10637842
Journal	Technical Physics
Volume Number	42
Issue Number	11
e-ISSN	10906525
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	1997-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mechanics, Fluids, Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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