power transformer
an electrical device that transfers and steps up or steps down voltage in high-voltage transmission systems to efficiently distribute electrical power over long distances
en-GB/ˈpaʊə tɹænsˈfɔːmə/
en-US/ˈpaʊɚ tɹænsˈfɑɹmɚ/
an electrical device that transfers and steps up or steps down voltage in high-voltage transmission systems to efficiently distribute electrical power over long distances