Toroidal transformer is a special type of transformer, and its magnetic circuit mainly adopts a toroidal core, which can induce the input electrical signal to the core, and then output to the output after conversion. Toroidal transformers can transmit large power, prevent the influence of external noise and interference on the signal, and filter high-frequency noise and clutter, which has the functions of amplifying signals and reducing noise. Compared with the traditional transformer, the toroidal transformer has a compact structure, which reduces the leakage of magnetic flux and magnetic coupling, and greatly improves the utilization rate and performance stability of the core.
At present, the industrial chain of toroidal transformer has been formed. The upstream of the industrial chain is mainly for the parts industry, providing parts such as iron cores, coils, and body insulators; The midstream is mainly for the toroidal transformer production industry, responsible for the production and manufacturing of toroidal transformers; The downstream is mainly used as a toroidal transformer, which is mostly used as a power transformer and an isolation transformer, and is widely used in audio equipment, power systems, communications, computers, medical equipment and other fields.
With the gradual progress of production technology, the types of toroidal transformers have gradually increased, which can be roughly divided into isolated type, standard type, economic type, etc. Among them, isolated toroidal transformers can be further subdivided into industrial toroidal transformers, medical equipment toroidal transformers, etc.
Toroidal transformers are widely used, for example, in the power system, toroidal transformers not only reduce energy loss, but also improve the stability of power transportation by virtue of their high-precision voltage regulation ability, and are mainly used in power distribution, power transmission and other links. In recent years, China's power market has developed rapidly, the number of power stations has gradually increased, and a complete power transportation network has been formed. As an important tool for transporting electricity, the market of electric transportation equipment has developed rapidly, which has driven the growth of the market demand for toroidal transformers.