Automatic change electric power system protection device

• Main Author: LIU ZENGJIE
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2017
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The utility model discloses an automatic change electric power system protection device, including monitoring node and remote server, monitoring node is built -in to have host system plug -in components platform, and host system plug -in components platform includes central processing unit, and central processing unit is connected with analog signal collector, CPLD circuit unit and communication unit, the analog signal collector is connected with out plug -in components, and CPLD circuit unit is connected with and leaves plug -in components, and host system plug -in components platform still is connected with human -computer interaction touch -sensitive screen and power supply, and the output of leaving plug -in components is connected to is controlled the electric wire netting, opening plug -in components and including current sensor, voltage sensor and frequency measuring circuit, CPLD circuit unit includes CPLD main control chip, serial port expansion chip and static memory, it includes optical coupling is