Industry White Papers
Line Filter – The Last Barrier in the Switch Mode Power Supply
August 21, 2016
by
Würth Elektronik
Switch mode power supplies result in conducted interference because they generate radio interference voltage on the mains side. This can interfere with other equipment supplied with mains power. Line filters help to suppress the generated radio interference voltage. These can easily be designed from passive components such as current-compensated line chokes and X / Y capacitors. This article concerns the design of a single-phase line filter.
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