Posts tagged as insulation

Gas-insulated transmission lines: the next generation of power transmission?

High voltage underground cables for power transmission have been in use for many years and number of different technologies have developed over the years. Solid insulation cables have limits when it comes to the voltage that can be carried safely, and oil impregnated paper cable are also limited in the capacity. Gas insulated transmission lines […]


by Jeff Jowett, Megger Two common types of electrical testing are often confused: insulation testing and “high-potting”.   Both are similar in their method, but differ critically in degree and aim. This article demonstrates how an understanding of the basis for the two tests is paramount to their respective applications. Insulation testers are also known by […]