What is the definition of a single-phase transformer?

A single-phase transformer is a transformer in which both the primary winding and the secondary winding are single-phase windings.

A unipolar switch power supply refers to an output that is unipolar, meaning it only has positive and negative outputs, as opposed to a bipolar switch power supply, which has three outputs: positive, negative, and ground.

Single-phase transformers have a simple structure, small size, and low losses, mainly due to low iron losses. They are suitable for use and promotion in low-voltage distribution networks with low load density. Suzhou City has accumulated the use of more than 1000 units, saving 45GWh, which is worth promoting based on experience. Some data shows that single-phase transformers are widely used in developed countries such as the United States and Japan. Single-phase power supply has become the main way of residential power supply. Under this propaganda, some people believe that single-phase power supply has the "magic power" of reducing losses, believing that single-phase transformers are more energy-efficient than three-phase transformers, and believing that single-phase power supply is superior to three-phase power supply. In fact, this is not the case. Single-phase transformers and single-phase power supply are only supplementary forms of the current three-phase power supply system. Due to the constraints of their own characteristics, they can only be applied in certain specific fields.

LuShan, est. 1975, is a Chinese professional manufacturer specializing in power transformers and reactors for 49 years. Leading products are single-phase transformer, three-phase transformers, DC inductors, AC reactors, filtering reactor, expoxy resin high-voltage transformer and intermediate, high-frequency products. Our transformers and reactors are widely used in 10 application areas: rapid transit, construction machinery, renewable energy, intelligent manufacturing, medical equipment, coal mine explosion prevention , excitation system, vacuum sintering, central air conditioning.

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