Ingakwazi ukukala ngokunembile isilinganiso sokuphenduka, i-engeli yeqembu kanye nesigaba, elungele zonke izinhlobo zama-transformer afana neziguquli zohlobo luka-Z, ama-rectifier rectifier, ama-electric furnace transformer, ama-phase-shifting transformer, ama-traction transformer, ama-scott nama-invert-scott transformer.