Prevent protection device of quick earthing switch mistake combined floodgate

• Main Authors: LIU NING, CHEN HUI, QIN YINING, FAN RUHAN, LI GUOGEN, HE ZHI, CAO HONG
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2017
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model discloses a prevent protection device of quick earthing switch mistake combined floodgate is connected with first and door module input at current quick earthing switch action logic modules, includes still that direct current system method of operation latching module connects first and another input of door module, judges through direct current system method of operation latching module that antipodal, this utmost point and the station mode of factory satisfy the shutting and require the back, moves logic modules's output through first and the door module shutting or the current quick earthing switch that lets pass. The utility model discloses under the condition that does not change current control and protection system hardware and intersystem contact, perfect quick earthing switch HSGS protect function, the problem of under the metallic return method of operation converting station close in the station quick earthing switch because of unwanted operation of protection mistake and then res