The world's first transformer was developed in 1876. It featured a very simple design and used air as its insulation medium. In 1885, engineers in Hungary successfully built the first modern transformer with a closed magnetic circuit and air insulation, marking the beginning of rapid development and widespread application of transformers. Since then, the transformer industry has continuously advanced toward higher voltages and greater capacities.In 1912, the oil-immersed transformer was invented
11/22/2025
Consult
Tip
