Transline Electrical Parameter Measurement

(impedance, k-factor and coupling)

When designing protection settings for transline impedance protection, the design engineer calculates the line parameters using the data that is available for the conductor, arrangement and other relevant data. As it is only a calculation there is still a level of uncertainty in the final values used for the protection setting development. There is now a way to safely measure the actual line parameters using the Omicron line impedance measurement system. Megavar Engineers have performed this testing many times for a range of customers to verify the calculated data and allow refinement of the protection settings.

  • Testing can produce the following data-Line impedance and residual compensation factor (k-factor) measurements
  • Positive and zero sequence impedance measurements of power lines
  • Measurement of mutual coupling of parallel lines
  • Measurement of coupling impedances between power lines and signal cables

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