wangjianhui
Newbie level 4
anyone know it? what's the different target applicatioon? thanks
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There may be other usages, but in electrical power engineering the term trap filter designates a series resonant circuit that is placed in parallel to the grid terminals to short respectively absorb specific harmonics. It's removing a single frequency component as a notch filter does, but in a different way.Trap filters are used to filter out only a single frequency.