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L23 / Transmission-line parameters

Transmission-Line Parameters II

Use conductor GMR, tower geometry, and phase spacing to calculate line inductance.

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This lecture's concept outline

L23

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Original slide headings28
  1. 1Lecture outline
  2. 2Starting problem
  3. 3Series-parameter carry-forward
  4. 4GMR substitution
  5. 5Conductor GMR
  6. 6Tower geometry
  7. 7Equal spacing
  8. 8Unequal spacing
  9. 9Complete transposition
  10. 10Phase rotation
  11. 11Distance table
  12. 12Why GMD is a geometric mean
  13. 13Balanced-current simplification
  14. 14Reactance formula
  15. 15Example: data
  16. 16Example: solution route
  17. 17Example: position spacings
  18. 18Example: distance matrix
  19. 19Example: transposition cycle
  20. 20Example: geometric mean
  21. 21Example: self-distance ratio
  22. 22Example: phase inductance
  23. 23Example: route reactance
  24. 24Example: independent checks
  25. 25Practice: model and calculation
  26. 26Practice: solution
  27. 27Summary
  28. 28Closing check
Slide source

L23_line_parameters_ii/L23_line_parameters_ii.pdf

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EXPLORE

Experiment workspace

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Experiment direction for this lecture

Adjust phase spacing and GMR while tracing the inductance calculation.

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COMPUTE

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CHECK

Practice & checks

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