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Loop inductance on DC Overhead line system

Loop inductance on DC Overhead line system

Loop inductance on DC Overhead line system

(OP)
Does anyone know how to calculate the loop inductances of some DC overhead line railway system.  i.e +ve supplied by overhead wires and -ve return via the rails.

RE: Loop inductance on DC Overhead line system

Why do you need inductance for dc lines?  This would only be relevant for transient studies.

RE: Loop inductance on DC Overhead line system

Try googling on "dc traction system calculations", you should get about 6,770 hits, the answer to your question is in there somewhere.

RE: Loop inductance on DC Overhead line system

(OP)
Jghrist - Yes, I wish to calculate the asymmetrical fault level for OHL-rails faults and the loop inductance is required.

RAMConsult - Thank you for your suggestion.  I've serached through this but with on luck.

RE: Loop inductance on DC Overhead line system

Suggestion: Reference:
L.J. Giacoletto, Electronics Designers' Handbook," 2nd Edition, McGraw-Hill Book Co., 1977,
page 3-44 Table 3.8 Magnetic Field and Self-inductance for simple configurations
e.g.
Ring
Rectangle with circular cross-section
Calculate:
1. Mutual inductance by the Biot-Savart (Ampere) equation
2. If two conductors are in the same plane, the Neumann Equation may be applied
3. For Self inductances: Reference:
Frederick W. Grover "Inductance Calculations" D. Van Nostrand Company, Inc., Princeton, NJ, 1946
Reprinted by Dover Publications, Inc., New York, 1962

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