Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations The Obturator on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. ColinSp

    Buchholz relay testing calculation

    When testing a transformer buchholz oil surge relay, what is the calculation for volume / pressure of air blast to operate the trip element?
  2. ColinSp

    Step Potential Higher than Touch Potential ?

    When an earth fault current flows back to a transformer neutral it passes through the mass of earth. The resistance of the earth path will depent on the soil composition, resistivity etc. The resistivity of the soil will be proportional to the area. As the earth path nears the transformer...

Part and Inventory Search