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In transformers, there are different frequencies used, so the applicable environment is also different. Since it is a high-frequency transformer, it is of course dedicated to the high-frequency level, while low-frequency transformers are also exclusive to the low-frequency range. Regardless of the operating frequency, transformers transmit energy through electromagnetic induction. The magnitude of energy transmission is related to the materials, structure, size, and operating frequency used in the transformer. If the transmitted energy is constant, the operating frequency is high, and the number of times energy is transmitted within a certain period of time is high, and the amount of energy transmitted each time can be reduced, then the materials used for transformers are less.

High frequency transformer
In this way, we know that the difference between high-frequency transformers and low-frequency transformers lies in their operating frequency, which leads to some differences in talent selection. The working principle of low-frequency transformers and high-frequency transformers is the same. Regardless of the operating frequency, energy is transmitted through electromagnetic induction. Due to the difference in frequency between high and low frequencies, high frequencies can only be used in circuits with high frequencies and excitation source frequencies that match the transformer frequency, while low frequencies are the opposite and cannot be mixed. Even high frequencies cannot be used if the frequencies do not match.

If a transformer transmits a certain amount of energy, operates at a high frequency, transmits energy multiple times within a certain period of time, and can transmit less energy each time, then the materials used in the transformer are less and the structural size is smaller. Therefore, a typical high-frequency transformer has fewer coil turns and can be made very small in size, while a low-frequency transformer has more coil turns.

Low frequency transformer
Under the same power, the high-frequency transformer will be much smaller than the low-frequency transformer, and in this case, the high-frequency transformer will only be about one tenth of the low-frequency transformer. This is because it is necessary to protect the low-frequency transformer, reduce the u value, and make it with silicon steel sheets, but the efficiency decreases, so it is necessary to increase the volume for heat dissipation.