Single-phase transformers
The principle of operation of a single-phase transformer is based on electromagnetic induction. When AC power is applied to the primary winding, a changing magnetic field is generated in the winding. This changing magnetic field induces an electromotive force in the secondary winding, which results in voltage conversion. In this process, the transformer is able to realize the voltage increase or decrease to meet the needs of different power equipment.
A single-phase transformer is a transformer in which both the primary and secondary windings are single-phase windings. It is mainly used in single-phase AC circuits in scenarios such as home lighting, small industrial equipment, and agricultural electricity. Compared with three-phase transformers, single-phase transformers are characterized by simple structure, lower cost and easy installation.
Single-phase transformers have lower losses and significant power savings. The no-load losses of single-phase transformers are lower than those of three-phase transformers for the same capacity. In addition, single-phase transformers have a more economical way of erecting high-voltage lines and low-voltage lines, which helps to reduce project costs.
Single-phase transformers use small-capacity, densely-packed points to increase the number of users and improve the reliability of power supply. In times of tight loads, single-phase transformers can reduce the scope of power outages and minimize the impact on the reliability of power supply to customers.
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