Options for using transformers. Scheme, description

ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Power transformers. Options for using transformers. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Electrician's Handbook

С transformers often dealt with in practice. For example, we use a transformer due to the fact that industrial devices are designed for one voltage, while another is used in the city network.

In addition to them, you have to deal with car reels. The bobbin is a step-up transformer. To create a spark that ignites the working mixture, a high voltage is required, which we get from the car battery, after first turning the battery’s direct current into alternating current using a breaker. It is not difficult to figure out that, up to the loss of energy used to heat the transformer, as the voltage increases, the current decreases, and vice versa.

Welding machines require step-down transformers. Welding requires very high currents, and the transformer of the welding machine has only one output turn.

The core of the transformer is made from thin sheets of steel. This is done in order not to lose energy during voltage conversion. In sheet material, eddy currents will play a lesser role than in solid material.

At home, the user is dealing with small transformers. As for powerful transformers, they are huge structures. In these cases, the core with windings is placed in a tank filled with cooling oil.

Author: Koryakin-Chernyak S.L.

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