változtató

A változtató is a term used in Hungarian to describe a type of electrical component known as a transformer. Transformers are static devices that transfer electrical energy between two or more circuits through electromagnetic induction. They are fundamental to the operation of many electrical systems, particularly in power generation, transmission, and distribution.

The primary function of a változtató is to change the voltage level of alternating current (AC) electricity. This is achieved through the use of two or more coils of wire, known as windings, which are wound around a common iron core. The coil connected to the input power source is called the primary winding, and the coil connected to the output load is called the secondary winding. When an alternating current flows through the primary winding, it creates a changing magnetic field in the iron core. This changing magnetic field, in turn, induces an alternating voltage in the secondary winding.

The ratio of the number of turns in the primary winding to the number of turns in the secondary winding determines whether the voltage is stepped up or stepped down. If the secondary winding has more turns than the primary, the voltage is increased (a step-up transformer). Conversely, if the secondary winding has fewer turns, the voltage is decreased (a step-down transformer). This ability to efficiently alter voltage levels is crucial for transmitting electricity over long distances with minimal energy loss and for providing appropriate voltage levels for various electrical devices.