A Very Brief History of the Electric Transformer
The electrical transformer deserves credit as one of the most important inventions of the industrial age. This historical period, spanning the late 1700s through the late 1800s—witnessed the development of steam power, manufacturing, running water, gas lighting, and the early harnessing of electricity. Actually, the latter would not be accomplished without the transformer. At its essence, the transformer is a device that transforms or converts electrical energy. As there are different kinds of electricity, so too are there are numerous different transformers. Some convert electricity from DC (direct current) to AC (alternating current) and vice-versa. Others increase or decrease voltages. Yet others perform electrical tasks such as converting or regulating current flow, phasing, and other complex tasks. The voltage transformer...