Transformer substation 10 0.4

## transformer substation 10/0.4 kV
Transformer substations are inconspicuous heroes of our daily life. They work quietly and effectively, providing electricity to our houses, offices and enterprises. The 10/0.4 square meter substation is one of the most common types that is found everywhere, from residential quarters to industrial zones. The name 10/0.4 kV indicates the operating voltages: a high voltage of 10 kilovolts (kV) enters the substation from the main power grid, and then drops to 0.4 kV - voltage used in household outlets and most devices.
### How does a magic box work?
Imagine the substation as a huge energy converter. At the entrance is a powerful stream of high voltage electricity. The main character here is a transformer - a huge metal apparatus similar to a large barrel with radiators. A miracle occurs inside it - a change in stress. High voltage, dangerous to humans, is converted into a safe low voltage that we can use without risk to life. In addition to the transformer, there are many other important elements inside the substation: disconnectors, switches, protective devices that provide reliable and safe operation of the entire system. All of them carefully control the flow of energy, preventing overloads and short circuits.
### Why do we need such substations?
A high voltage of 10 kV is an effective way of transmitting electricity over long distances with minimal losses. However, using such a stress in everyday life is dangerous and impractical. That is why substations are needed that adapt energy to our needs. They play an important role of translators - transforming a powerful but dangerous stream into safe and convenient for use. Thanks to these substations, electricity reaches each house, providing light, heat and the operation of countless electronic devices.
### Protection and Security
Substations of 10/0.4 kV are equipped with protection systems that automatically turn off the supply of electricity in case of emergency situations, preventing equipment damage and, most importantly, ensuring the safety of people. These systems constantly monitor the parameters of the mains, responding to any deviations from the norm. Despite their invisibility, substations play a key role in ensuring stable and safe operation of the entire electric power system.