In this paper, the electromagnetic parameters of the grounding transformer are obtained based on finite element analysis, and then the parameters are substituted into the constructed time-domain ...

Aiming at the multi-point grounding fault of transformer iron core, the mechanism of grounding fault is studied, and the necessity and process requirements of one point grounding of iron core are ...

July 3, 2025 - Hitachi Energy recently executed a successful test on the world’s first 765 kV, 250 MVA single-phase power transformer using natural ester ...