Over-current protection circuit with feedback

Over-current protection circuit with feedback

The utility model provides an over-current protection circuit with feedback, which belongs to the technical field of automation control. The protection circuit comprises: a sampling circuit, a feedback circuit, a switch circuit and a regulating circuit, wherein, a protection point is connected to th...

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Hauptverfasser: REN YANFANG, CHEN JIANBO, LV GENGUI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator REN YANFANG
CHEN JIANBO
LV GENGUI
description The utility model provides an over-current protection circuit with feedback, which belongs to the technical field of automation control. The protection circuit comprises: a sampling circuit, a feedback circuit, a switch circuit and a regulating circuit, wherein, a protection point is connected to the sampling circuit, the other end of the protection point is connected to the feedback circuit and the regulating circuit, the sampling circuit is connected to the switch circuit, the switch circuit is connected to the regulating circuit, the regulating circuit is connected to the feedback circuit; when the protection point is triggered by over current, the sampling circuit samples the voltage; when the sampling voltage reaches the preset value, the switch circuit is conducted, the regulating circuit is cut off, and the protection point is protected. The protection circuit very conveniently forms over-current protection and quick break protection, and when the current exceeds the limit value of the protection circu
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The protection circuit comprises: a sampling circuit, a feedback circuit, a switch circuit and a regulating circuit, wherein, a protection point is connected to the sampling circuit, the other end of the protection point is connected to the feedback circuit and the regulating circuit, the sampling circuit is connected to the switch circuit, the switch circuit is connected to the regulating circuit, the regulating circuit is connected to the feedback circuit; when the protection point is triggered by over current, the sampling circuit samples the voltage; when the sampling voltage reaches the preset value, the switch circuit is conducted, the regulating circuit is cut off, and the protection point is protected. 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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title Over-current protection circuit with feedback
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