Ultra-Compact Transmission Lines

We are completing our initial, high voltage testing on a small version of our Ultra-Compact, 230 kV line.

Method for the first high-voltage test.

Test line Specifications:

  • The test line has five (5) beams, each with the correct width, height, and material thickness.

  • The test line is 10 feet, long enough to separate end effects.

  • The test line is energized with two Van de Graff generators, each with a 10” diameter dome, producing +350 kV and -350 kV max or 700 kV total between two energized beams.

  • Thus, the test line can be energized at its peak operating voltage between beams (325 kV) and above.

Testing Method:

  • The actual voltage produced by the Van de Graffs will be estimated by measuring the deflection of the beams.

  • Beams 1, 4 and 5 will be grounded

  • Beams 2 and 3 will be energized at positive and negative voltages.

  • Beams 2 and 3 will be prevented from moving.

  • The deflection of beam 1 toward beam 2 is proportional to the square of the voltage on beam 2.

  • The deflection of beam 4 toward beam 3 is proportional to the square of the voltage on beam 3.

  • We will take videos of the beams when energized and look for any arcs and corona discharge.  

  • Beam deflection will be measured with a laser pointer attached to the far sides of beams 1 and 4, away from the active beams, and with a ruler on the ground.

  • We will also note the temperature, humidity, and atmospheric pressure at the test site (3750 feet above sea level)

Test Result Summary

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Photos and videos of Test Structure and Test Results

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