POWER FACTOR IMPROVEMENT CIRCUIT

PROBLEM TO BE SOLVED: To provide a booster type power factor improvement circuit capable of suppressing pulsation of an output voltage of a boost circuit by temporarily increasing a response speed of a voltage error amplifier even when a load suddenly changes.SOLUTION: The power factor improvement c...

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Bibliographische Detailangaben
Hauptverfasser:	YOKOO HAJIME, HAMADA TAKAYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a booster type power factor improvement circuit capable of suppressing pulsation of an output voltage of a boost circuit by temporarily increasing a response speed of a voltage error amplifier even when a load suddenly changes.SOLUTION: The power factor improvement circuit, improving a power factor, includes a phase compensation section that increases a phase compensation impedance of a voltage error amplifier to increase a response speed of the voltage error amplifier when an output voltage of a boost circuit is out of a predetermined range.