Power transformers are devices that change the voltage of an alternating current (AC) to a direct current (DC) through a mechanical, electromechanical, or electronic process. A transformer is used in electrical power systems and electric power distribution networks, where it changes voltages between a supply level and a user level.
Power transformers come in all shapes and sizes, but the basic principle is the same: they use metal coils to change the direction of electric current. When you plug a transformer into an outlet, the current flows through the metal coils like water through a hose. The transformer changes this flow, turning it into a powerful stream that can power devices all over your home.
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Power transformers are the heart of modern electrical grids. They’re responsible for moving electrical energy from one place to another, and they do it by transforming alternating current (AC) into direct current (DC).
Basically, power transformers take lots of small electric currents and turn them into a single, large current. This makes it possible to send electricity over long distances without losing too much power along the way.
There are two main types of power transformers: step-down transformers and step-up transformers. Step-down transformers take smaller AC currents and turn them into lower DC voltages.
This is what provides power for things like your home’s lights and appliances. Step-up transformers work the opposite way: they take higher DC voltages and turn them into smaller AC currents. This is what helps power bigger things like factories and airports.