Active power factor correction circuit

• Main Authors: ZHENG LIANG, XU ZHIWANG, SHI XUDONG, WU HUANHUAN
• Format: Patent
• Language: Chinese; English
• Published: 23.05.2012
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses an active power factor correction circuit. A power correction control chip of MC 33262 is used and the parameter of a perimeter circuit is optimized, so as to increase the power factor in the circuit, reduce the harmonic interference, and stabilize the output voltage, effectively suppress the harmonic pollution of a power grid and improve the power efficiency.