Differences in magnetic materials

1. Differences in magnetic materials: The power frequency transformer uses silicon steel sheets as the core material; the high frequency transformer uses ferrite core materials.

2, the difference of working frequency: the working frequency of the power frequency transformer generally refers to the power frequency of 50HZ goods 60HZ; the operating frequency of high-frequency transformers are generally above 1KHZ, even dozens of KHZ or hundreds of KHZ, the application range is not the same frequency same.

3. Application: Power frequency transformers are generally used to convert 220V or 110V power frequency high voltage into power frequency low voltage, which is used for power supply of small household appliances (such as soybean milk machine, range hood, audio, etc.). High-frequency transformers are widely used (such as mobile phone chargers, electronic ballasts, switching power supplies, color TV power supplies, computer power supplies, liquid crystal drives and power supplies, etc.). The core of the power frequency transformer is working. The eddy current will be generated, so that the heat will lose energy. This is called iron loss. The iron loss is related to the frequency. The higher the frequency, the more obvious the iron loss. If the transformer of the switching power supply uses the iron core, it is not the transformer, but the induction cooker.

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