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Do you know the classification of common transformers

There are many types of transformers in common use. I often hear people say what high-voltage transformers, power transformers, and Even transformers and so on, so, do you know how these transformers are classified? Today, Shenzhen Zhongji Electric Technology Co., Ltd. will talk about the classification of common transformers:

1. According to purpose:

1. Power transformer: used to increase and decrease the voltage of the power transmission and distribution system.

2. Instrument transformers: such as voltage transformers, current transformers, measuring instruments and relay protection devices.

3. Test transformer: It can generate high voltage and conduct high voltage test on electrical equipment.

4. Special transformers: such as electric furnace transformers, rectifier transformers, adjustment transformers, etc.

2. According to the winding form:

1. Double winding transformer: used to connect two voltage levels in the power system.

2. Three-winding transformer: generally used in the power system area substation, connected to three voltage levels.

3. Autotransformer: used to connect power systems with different voltages. It can also be used as an ordinary step-up or step-down transformer.

Three, according to the number of phases:

1. Single-phase transformer: used for single-phase loads and three-phase transformer groups.

2. Three-phase transformer: used to increase and decrease the voltage of a three-phase system.

Fourth, according to the cooling method:

1. Dry-type transformer: Relying on air convection for cooling, generally used for small-capacity transformers such as local lighting and electronic circuits.

2. Oil-immersed transformer: Relying on oil as the cooling medium, such as oil-immersed natural cooling, oil-immersed air cooling, oil-immersed water cooling, forced oil circulation, etc.

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