Transformer structure and application

Introduction: The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil, and the core (magnetic core). When alternating current flows in the primary coil, alternating magnetic flux is generated in the iron core (or magnetic core), so that a voltage (or current) is induced in the secondary coil.

The structure of the voltage regulator is mainly composed of the body, transformer oil, fuel tank and cooling device, pressure regulating device, protective device and outlet bushing. The body also contains four main parts, which are the core, windings, insulation and leads. The main magnetic circuit in the transformer is in the iron core. It consists of hot-rolled or cold-rolled silicon steel coated with insulating paint. The pieces are stacked and the thickness is slightly different. Different types of transformers can be classified according to different standards, such as according to the purpose of use, according to the number of windings, according to the capacity or according to the core structure, etc., in short, a wide range of transformers, according to the specific situation to choose Suitable transformer.

The scope of application of transformers varies greatly depending on their structure. Transformers may not be common in life, but they are indispensable in our lives. Because in real life, we often use different power supply voltages for different jobs. This requires the help of transformers. For example, if you need to increase the voltage to 110kv-500kv in order to reduce the line loss, then you need to use a step-up transformer, but in China, the AC voltage in the life is generally 220V, then you need a step-down transformer. Reduce the high voltage current to 220V. Therefore, the voltage regulator is an important core device in the power system, and the capacity of the transformer is even greater than the capacity of the generator. Voltage regulators are not only used in power systems. In the work of electrical technicians, broadcast amplification circuits, and even some special electrical appliances in daily life, must be isolated with corresponding transformers in order to ensure their safety.

The wide application range of the transformer requires that its operation must be safe and standardized. It should be operated by a specially trained person. There will be uniform distribution of the distribution and distribution equipment for the installation of employment licenses, which require certificates, and the transformer must be installed before construction. Conduct inspections to see if the construction standards are met. During the process, the operation must be strictly in accordance with the rules and regulations. After the end of the inspection, the transformers should be inspected and recorded. These are responsible for themselves and are responsible for others.