Earth -leakage protector's of two protections of ground wire control circuit

Earth -leakage protector's of two protections of ground wire control circuit

The utility model discloses an earth -leakage protector's of two protections of ground wire control circuit, including a current transformer, the 2nd current transformer, control chip, switching diode D3, silicon controlled rectifier Q1, trip coil, rectifier diode D2, divider resistance R11, di...

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Hauptverfasser: CAO HONGXIN, JI HUAILI, HOU JINGCHUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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creator CAO HONGXIN
JI HUAILI
HOU JINGCHUN
description The utility model discloses an earth -leakage protector's of two protections of ground wire control circuit, including a current transformer, the 2nd current transformer, control chip, switching diode D3, silicon controlled rectifier Q1, trip coil, rectifier diode D2, divider resistance R11, divider resistance R12 and switching diode D5, a current transformer sets up and is angering, the zero line output, its secondary coil's output is connected with control chip's input, the 2nd current transformer sets up at the ground line terminal, its output is connected with control chip's input, control chip's an output passes through switching diode D3 and is connected with silicon controlled rectifier Q1's control electrode, silicon controlled rectifier Q1's positive pole passes through rectifier diode D1 and is connected with trip coil, its negative pole is connected with the zero line, trip coil with take off the linkage of mouthful mechanism. The utility model discloses an earth -leakage protector control circuit
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title Earth -leakage protector's of two protections of ground wire control circuit
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