Is Foshan Guangte power transformer made of copper in 2007?

Yes According to the production parameters of Foshan Guangte power transformer in 2007, the production material is copper. So it is copper. Transformer is a device that uses electromagnetic induction principle to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and so on.