Power distribution terminal overcurrent detection protection circuit and method

The invention discloses a power distribution terminal overcurrent detection protection circuit and method, and belongs to the field of electrical variable measurement. The circuit comprises an over-current detection and optocoupler control module, a comparison module and a protection module, the inp...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG HUAN, DUAN WENYONG, ZHANG HAO, WANG PAN, ZHU YANG, CHENG MENG, LIU ZHIJUN, YANG YEWANG, REN XIAOYANG, CUI LUYANG, WANG FAZHENG, XING XIAOHENG, ZHENG WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION
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Beschreibung
Zusammenfassung:	The invention discloses a power distribution terminal overcurrent detection protection circuit and method, and belongs to the field of electrical variable measurement. The circuit comprises an over-current detection and optocoupler control module, a comparison module and a protection module, the input end of the over-current detection and optocoupler control module is connected with the positive electrode of the backup power supply, the output end of the over-current detection and optocoupler control module is connected with the second input end of the comparison module, and the first input end of the comparison module is connected with the positive electrode of the backup power supply. The output end of the comparison module is connected with the control end of the protection module, the input end of the protection module is connected with the negative electrode of the backup power supply, the output end of the protection module is connected with the negative electrode of the load power supply end, and the p