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L24 / Transmission-line parameters

Transmission-Line Parameters III

Derive line capacitance from electric fields, potential difference, and conductor geometry.

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This lecture's concept outline

L24

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Original slide headings28
  1. 1Lecture outline
  2. 2Starting problem
  3. 3Series and shunt line parameters
  4. 4Gauss's law
  5. 5Potential difference
  6. 6Two-conductor capacitance
  7. 7Ideal pair
  8. 8Balanced phase charge
  9. 9Complete transposition
  10. 10Potential-reference cancellation
  11. 11Phase capacitance
  12. 12Capacitance to susceptance
  13. 13Unit check
  14. 14Charging current
  15. 15Capacitive reactive power
  16. 16Nominal-π shunt split
  17. 17Example: data
  18. 18Example: solution route
  19. 19Example: electric distance ratio
  20. 20Example: capacitance rate
  21. 21Example: susceptance rate
  22. 22Example: route shunt totals
  23. 23Example: charging current and power
  24. 24Capacitance checks
  25. 25Practice: model and calculation
  26. 26Practice: solution
  27. 27Summary
  28. 28Closing check
Slide source

L24_line_parameters_iii/L24_line_parameters_iii.pdf

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EXPLORE

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Compare the role of physical radius in capacitance with GMR in inductance.

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COMPUTE

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CHECK

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