circuits for power factor correction
with regards to main filtering
The new European Norms EN 60555 and the
international standard IEC555 will impose a limit on
the harmonic content of the input current of mains
supplied equipment. In practice this will require the
addition of a Power Factor Corrector (PFC) at the
input of many types of mains operated electronic
equipment, for example electronic lamp ballasts, TV
power supplies and motor drives.
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