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Inductors and Transformers.
 Solenoid
inductance and impedance calculation . References. |
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Variable
Inductors. Inductors
with magnetic cores. <rough draft> Electromagnetic
Induction: Current
transformers are discussed in Chapter
6. |
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. Background Theory and Experiment .
. Online references (public domain or hosted with permission)
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On the Geometrical Mean Distance of two figures
in a plane. J C Maxwell, Trans Roy. Soc. Edinburgh, Vol
26, 1872. [Maxwell 1872 GMD] Calculation of the self-inductance of 1-layer
coils. E B Rosa, BBS Vol 2, No.2, p161-187 [BS Sci.
31]. This is the original paper giving Rosa's method for
solenoid inductance, including derivation of the external GMD
for current-sheet segments. The Self and Mutual Inductances of Linear Conductors.
E B Rosa. BBS Vol 4, No 2, 1908 [BS Sci. 80]. The Inductance Coefficients of Solenoids.
H Nagaoka. J. Coll. Sci. Tokyo, Vol 27, 6, 1909 (PDF
1.7MB). Note that all of Nagaoka's papers can be obtained
from the University of Tokyo repository . Formulas and Tables for the Calculation of Mutual
and Self Induction. E B Rosa & F W Grover, 3rd edition
1916, with 1948 corrections. [BS Sci. 169]. (15MB
PDF). Additions to the formulas for the calculation
of mutual and self inductance. F W Grover. BBS, Vol 14,
No 4, July 12, 1919 [BS Sci. 320] (PDF,
1MB). Alternating Current Resistance and Inductance
of Single-Layer Coils. C. N. Hickman. [BS Sci. 472],
1923, p73-104 + corrections (4.3MB PDF). Formula for the inductance of a helix made with
wire of any section. C. Snow. [BS Sci. 537], 1926
(5.74MB PDF). Methods for the Derivation and Expansion of Formulas
for the Mutual Inductance of Coaxial Circles and the Inductance
of Single-Layer Solenoids. F W Grover, NBS J. Research,
Vol 1, 1928. [BS RP16]. p487-511 Comparison of Formulas for the Calculation of
Inductance of Coils and Spirals Wound with Wire of Large Cross-Section.
F W Grover, JBS Vol 3. 1929. [BS RP90]. A simplified Precision Formula for the Inductance
of a Helix with Corrections for the Lead-in Wires. C
Snow, JBS Vol 9. 1932, p419-426. (PDF 0.5MB). Medhurst
1947: H. F. Resistance and Self-Capacitance of Single-Layer
Solenoids. Grover's 'Inductance Calculations', Supplementary
information and errata. GMDs of equal parralel rectangles. Re-calculation
of Grover's tables 1, 2, & 3. Rodger Rosenbaum 2009. Losses in conductors and inductors: Bibligraphy
. Acknowledgements: I would like thank the following people: The late Andy Cowley (sadly missed) for library work, helpful discussion and donations of laboratory equipment. Rodger Rosenbaum for reference materials, critical review, and contributions to be found in the documents above. Bob Weaver for reference materials and contributions, particularly in the discussion of computational methods and for writing an making available many useful functions and algorithms. Mark Kennedy for critical review and documents I would not otherwise have found. |
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