Isolated self -powered opto -coupler three -phase synchronous rectification circuit

The utility model discloses an isolated self -powered opto -coupler three -phase synchronous rectification circuit, include three -phase synchronous rectification circuit, optical coupling isolation circuit, power supply circuit, singlechip and display, utilize the break -make of the inside diode of...

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Bibliographische Detailangaben
Hauptverfasser:	TAN XIAOHAI, XIA CHUNJIAN, JIAO WENLIANG, LIU JINFENG
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 an isolated self -powered opto -coupler three -phase synchronous rectification circuit, include three -phase synchronous rectification circuit, optical coupling isolation circuit, power supply circuit, singlechip and display, utilize the break -make of the inside diode of natural commutation point control opto -coupler of three -phase AC signal to the break -make of theinside triode of drive opto -coupler for three -phase synchronous rectification circuit provides the synchronous Rectifier drive control signal who has isolating function, makes triggering signal accurate reliable, has improved rectifier circuit stability, has avoided dedicated singlechip drive circuit, has simplified control circuit, reduce cost, simultaneously, the singlechip carries out the real - time voltage detection through the output voltage to three -phase synchronous rectification circuit to show the testing result on the display, make things convenient for user of service real timemonitoring load both ends