Active PFC for Electronic Power Supplies

The proliferation of Electronic loads onpower distribution systems has led toinefficient and unsafe conditions dueto the typically poor Power factor ofelectronic Power conversion equip-ment. Waveform distortion and theoverheating of transformers andneutral conductors in three-phasesystems are just a few of the , economic and safetyconcerns along with new regulationsdesigned to maintain the integrity ofpower distribution systems havecreated an acute interest in powerfactor correction (PFC) choosing a strategy for PFC, itis essential to recognize that the poorpower factor occurring in electronicpower conversion equipment isentirely different from the traditionalpoor Power factor seen with inductivemotor loads, and requires a differentcorrective Sources of Poor PFIn its simplest form, poor Power factorcaused by reactive linear circuitelements results as the current eitherleads or lags the voltage, depending onwhether t

The proliferation of electronic loads on power distribution systems has led to inefficient and unsafe conditions due to the typically poor power factor of

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  Supplies, Active, Power, Factors, Electronic, Power factor, Active pfc for electronic power supplies

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