Power factor improving arrangement

Details Power factor improving arrangement Power factor improving arrangement

G - Physics

05

F

323/20

G05F 1/70 (2006.01) H02M 1/12 (2006.01) H02M 7/06 (2006.01)

Patent

CA 1304448

- 11 - POWER FACTOR IMPROVING ARRANGEMENT Abstract A power factor compensator for a power converter comprises an L-C circuit connected in series between the power converter and the converter's A.C. power source. The values of the inductor and the capacitor of the compensator circuit are selected to cause the L-C circuit to resonate at a frequency higher than the power source frequency, preferably at a frequency ranging between 1.4 and 3.5 times the power source frequency, in orderto achieve a power factor within the range of about .65 to .95. A resonant frequency of about twice the power source frequency has been experimentally found to give particularly good performance.

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