Power Transformer
Keywords:
Power Transformer
产品描述
- 产品描述
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- Commodity name: Power Transformer
The power transformer is a kind of soft magnetic electromagnetic element whose function is power transmission, voltage conversion and insulation isolation. It is widely used in power supply technology and power electronics technology.
The classification of commonly used power transformers can be summarized as follows:
1. According to the number of phases:
(1) Single-phase power transformer: used for single-phase loads and three-phase power transformer groups.
(2) Three-phase power transformer: used to increase and decrease the voltage of a three-phase system.
2. According to the cooling method:
(1) Dry-type power transformer: It is cooled by air convection, and is generally used for small-capacity power transformers such as local lighting and electronic circuits.
(2) Oil-immersed power 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.
3. Classified by 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.
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