Sectional type power factor correction circuit

The utility model discloses a sectional type power factor correction circuit, comprising an input module connected with commercial power; the comparison module is connected with the input module; the power factor correction module is connected with the input module and the comparison module, and the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZHAO XIANYUN
Format:	Patent
Sprache:	chi ; 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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The utility model discloses a sectional type power factor correction circuit, comprising an input module connected with commercial power; the comparison module is connected with the input module; the power factor correction module is connected with the input module and the comparison module, and the load is connected to the power factor correction module; the comparison module is connected to the reference voltage source Vref and used for comparing the mains supply subjected to voltage reduction and filtering through the comparison module with the reference voltage source Vref and feeding back to the power factor correction module, and the power factor correction module can reduce the output voltage when the mains supply subjected to voltage reduction and filtering is lower than the reference voltage source Vref. Or the power factor correction module can increase the output voltage when the voltage-reduced and filtered commercial power is higher than the reference voltage source Vref; the resistance value of