Ja som nepisal o odrusovacom filtri ale o PFC filtri. To je sakramentsky rozdiel.
http://en.wikipedia.org/wiki/Power_factor#Power_fa ctor_correction_in_non-linear_loads
The simplest way to control the harmonic current is to use a filter: it is possible to design a filter that passes current only at line frequency (50 or 60 Hz).
poradna.net
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