Not every household appliance requires 220 volts. In particular, the same TV set operates from 12 volts, and therefore a step-down transformer is installed in it without fail in production. Most appliances in the house work in a similar way. Some types of lighting have approximately the same principle of operation - LED strips are powered by a special unit, it is he who acts as a transformer that lowers 220 by 12 volts.
How the step-down transformer works
Before buy a transformer 220 to 110 , it is important to understand that each such device involves the use of a primary and secondary winding, as well as a ferromagnetic rod. The principle of operation of such a converter from 220v to 110v is quite simple: the current flows to the primary winding, creates an alternating magnetic field around the rod. This, in turn, creates a current in the secondary winding. Its value at the output can be different and depends only on the number of turns for each winding. Both step-up and step-down transformers work in a similar way, and the former is much more common in everyday life. The second is mainly used for lighting, where neon lamps are installed.
If we talk about most areas of industry, then they also use step-up transformers, since it is impossible to transmit electricity over impressive distances without losing it partially. That is why 380 volts is converted using a transformer and transmitted through special high-voltage lines - this allows you to minimize losses.
It is important to understand that any device that lowers the voltage at the output allows you to get an alternating current, if there is a need for a constant current, then to a converter from 12 to 220 volts, which can be found in more detail at https://voltmarket.ua , additionally attached rectifier. Modern manufacturers are ready to offer more advanced electronic step-down transformers, in which the core and coils are absent, instead of them special capacitors, microcircuits, resistors and other electronic components are used. Such a device has its advantages over the traditional analogue:
- light weight;
- compact size;
- high efficiency;
- no heating during operation;
- the ability to adjust the output voltage;
- use of a special protective system in the structure to prevent short circuits.
Author: Sergey Kurtov (Volt
