Power management system of electric energy meter

Provided is a power management system of an electric energy meter. INCLUDING AC-DC MODULE, the input end of the AC-DC module is connected with the mains supply; the double-path DC-DC module is connected with the output end of the AC-DC module; the first output end of the double-path DC-DC module is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MENG YAO, ZHENG ZHE, ZHANG YUHANG, YAN RUBIN
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Provided is a power management system of an electric energy meter. INCLUDING AC-DC MODULE, the input end of the AC-DC module is connected with the mains supply; the double-path DC-DC module is connected with the output end of the AC-DC module; the first output end of the double-path DC-DC module is divided into two paths; one path is connected with an MCU of the electric energy meter and a systemmain power supply; the other path is connected with a communication module power supply of the electric energy meter; the second output end of the double-channel DC-DC module is connected with a firstsuper capacitor and a second super capacitor. Wherein the second super capacitor is connected with the MCU and a system main power supply, the first super capacitor is connected with the input end ofthe double-channel DC-DC module through the boosted circuit, the boosted circuit and the control circuit are respectively provided with a first control end and a second control end, and the first control end and the second con