A high voltage transformer if a grid that captures the AC current and allows the voltage to remain stable through it's journey. Current traveling though wires dissipate at the rate proportional to a square of the total current passing though. This happens because of resistance of the wires, and thus, as electricity reaches over long distances, their power diminishes. This would make the transportation of electricity quite uneconomical, unless you use a transformer to ensure the stability. By pushing up the voltage of the electrical charge by transforming it from the source and making it low current, and back again afterwards, your power supplies can be made economical and more effective.
There are many different kinds of transformers used. From the tiny ones fit into stage microphones and headphones, to complete structures the size of a house used in power grids; the uses of such a valuable device in basic electronics are many. They are used in our homes, and in almost every electronic product your see around you. However, high voltage transformers are meant for industrial and factory uses. Since these facilities consume a lot of power, and they need a steady supply, you need your own digital transformers. Without these, your factory would be paying for far more electricity than you're actually using!
The method in which a transformer works is rather simple in terms of electronics, but is quite complex for a layman to understand. To understand this in the simplest way, there are 3 basic parts that work in transforming electricity from high current to high voltage -
The Primary Wiring – This is the first layer of input coils that cause the voltage surge because of the coiling of the wire. When it creates an electromagnetic flux, the material of the core helps in transferring the power along the wire to the coils of the output or secondary wiring.
The Secondary Wiring – This is the second coil which transfers the high voltage power to the required machine or grid. Since the electricity is low current, these wires don't depreciate it's capability.
The Core – In any normal high voltage transformer, this is made of a high grade ferromagnet material, mostly pure iron which has a very high magnetic permeability. This allows the high voltage electrical charge to pass into the secondary output wire without losing its potential power since the exit energy is low current, and hence immune to the effects of resistance dissipation.
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