The power filter is used in the shielding room

The power filter is an electronic device that is mainly used to suppress electromagnetic interference on power lines in order to protect electrical equipment from interference. The power filter typically consists of inductors and capacitors that can effectively filter out harmonics and various high-frequency noise on the power line, improving the electromagnetic compatibility of the equipment.

The main functions of the power filter are:

1. Preventing equipment from being affected by external power sources, such as electromagnetic radiation, lightning, etc.
2. Preventing equipment from generating electromagnetic interference that affects other equipment, such as switching power supplies, frequency converters, etc., which can generate a large amount of harmonics and noise.
3. Improving the electromagnetic compatibility of equipment to ensure normal operation in a complex electromagnetic environment.

There are various types of power filters available, depending on the application scenario and performance requirements. For example, single-phase power filters and three-phase power filters are suitable for different power systems, while low-pass filters and high-pass filters are suitable for different interference frequencies.

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