Three phase power transformer secondaries that are set up in a delta configuration do not have an earthing or grounding point. By contrast, a wye configuration of windings would provide such a point, ...

The report says the transformer, which was about 37 feet off the ground, was dented and there were yellow paint chips from ...

Park Hee-chul, a researcher at HInvestment Corporation, noted, "Since the second half of this year, the revenue share of ground transformers has increased compared to that of sectional ...