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line filter

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A line filter is a combination of passive components forattenuating electromagnetic interference in mains power applications. What does a line filter do? A line filter reduces or attenuates the conducted interference that can be caused by switching power supplies,for example.

People also ask


  • What is a Lineline filter?

  • Line filters are designed for electromagnetic interference (EMI) in the mains, and it is a frequency-selective two-port network usually composed of inductors, capacitors, resistors. Actually it is a kind of filters and can also be called reflection filter according the working principle.

  • What is a single-phase line filter?

  • This article concerns the design of a single-phase line filter. What is a line filter? A line filter is a combination of passive components for attenuating electromagnetic interference in mains power applications. What does a line filter do?

  • How to choose a power line filter?

  • When selecting the power line filter, three main indicators should be considered: first is voltage and current, the following is insertion loss, and finally it is size and structure. Since the filter inside is typically potted, environment is not a main concern.

  • What is a line filter capacitor?

  • Line-filter capacitors are used for a number of purposes. The first is to keep potentially disruptive or damaging line transients and EMI out of susceptible equipment. The second is to suppress these line disturbances at the source.

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