PLANT FOR MELTING AND/OR HEATING METAL MATERIAL, AND METHOD TO SUPPLY ELECTRICAL ENERGY TO SAID PLANT

Embodiments concern a plant for melting and/or heating metal material and a corresponding method to supply electrical energy. The plant comprises at least one induction furnace () and means () for supplying electrical energy to the induction furnace ), wherein the electric power supply means () comprise at least one transformer () connected to an alternating current mains power network (), at least one rectifier () located downstream of the transformer (), at least one converter () located downstream of the rectifier device (), and at least one coil () for melting and/or heating metal material.