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As the name implies, a high-frequency transformer is a power transformer with an operating frequency exceeding the medium frequency (i.e., exceeding 10kHz). It is widely used in high-frequency switching power supplies as its core component. It can also be used in high-frequency inverter power supplies and high-frequency inverter welding machines, playing the role of high-frequency inverter power transformers. According to its operating frequency, high-frequency transformers can be divided into multiple grades, including 10kHz-50kHz, 50kHz-100kHz, 100kHz~500kHz, 500kHz~1MHz and above 10MHz.
Development history of transformers
With the continuous growth of electricity demand, transformers, as an indispensable part of the power system, have also attracted much attention. From the initial simple iron core coil to today's high-frequency transformers, transformers have made significant technological progress. These advances are not only reflected in higher operating frequencies, smaller volumes and higher efficiency, but also promote the continued development of the power industry.
With the continuous growth of electricity demand, transformers, as an indispensable part of the power system, have also attracted much attention. From the initial simple iron core coil to today's high-frequency transformers, transformers have made significant technological progress. These advances are not only reflected in higher operating frequencies, smaller volumes and higher efficiency, but also promote the continued development of the power industry.
The origin of transformers-the birth of induction coils
In 1835, American physicist Page (C.J.Page, 1812~1868) successfully made the induction coil shown in Figure 4. This achievement not only marks a new breakthrough in the field of power technology, but also provides important technical support for the subsequent development of autotransformers.
In 1835, American physicist Page (C.J.Page, 1812~1868) successfully made the induction coil shown in Figure 4. This achievement not only marks a new breakthrough in the field of power technology, but also provides important technical support for the subsequent development of autotransformers.
The world's first practical transformer
In the field of power technology, the development of autotransformers is of great significance. It is worth mentioning that the world's first practical transformer was born shortly after the birth of the induction coil. This innovation not only further promoted the development of power technology, but also laid a solid foundation for the subsequent power industry revolution.
In the field of power technology, the development of autotransformers is of great significance. It is worth mentioning that the world's first practical transformer was born shortly after the birth of the induction coil. This innovation not only further promoted the development of power technology, but also laid a solid foundation for the subsequent power industry revolution.
In 1850, German technician Rumkorff successfully made the first induction coil, which brought new breakthroughs in the field of power technology. Just one year later, in 1851, he filed a patent application for the first induction spark coil, which is what we now call a transformer. This major invention not only marked an important milestone in power technology, but also paved the way for the subsequent power industry revolution.
