Abstract: In this paper, focus is made on partial discharge (PD) activity in oil-impregnated pressboard used in converter transformers. Voltages over the main insulation of the valve-side windings of ...

its thermal decomposition generates corrosive sulfur compounds that contribute to the chemical degradation of both the oil and pressboard insulation. These sulfur interactions in the transformer lead ...

In March 2025, that was followed by the announcement of an additional $250 million USD investment through 2027 to ramp up the production of critical transformer components such as bushings and ...

Keeping the nation's lights on is no small job. The grid we take for granted involves large, expensive equipment, most ...

Can the U.S. rebuild its power grid by rebuilding its domestic manufacturing capacity for grid-critical components?

Using PF and PF testing techniques to guide electrical testing, maintenance, and asset replacement planning and ...

A man who bombed two PG&E transformers in San Jose pleaded guilty Tuesday to federal charges related to the attacks. Peter Karasev, 38, admitted to bombing the electric transformers on Dec. 8 ...

It does not necessarily reflect the view of The Herald. A free 'insulation MOT' is being offered to charities and non-profit organisations across the Tees Valley. The Thermal Insulation ...

This site uses cookies. Read our policy. Sponsored by Rockwool, this CPD module explores how evolving building regulations are driving improved thermal performance and how stone wool insulation can ...

Peter Karasev pleaded guilty to bombing PG&E transformers in San Jose in separate attacks. He admitted that the attacks were premeditated. The bombings left thousands of residents without power.

Milan, Italy, May 07, 2025 (GLOBE NEWSWIRE) -- Thermore, a pioneer in responsible thermal insulation, is proud to introduce Ecodown Fibers Sync - a groundbreaking free fiber inspired by the physics of ...