Power utilization safety intelligent monitoring system based on secondary circuit

• Main Authors: CHEN BOJING, LIU YUFENG, ZHANG LULIN, ZHOU LEI
• Format: Patent
• Language: Chinese; English
• Published: 18.02.2022
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a power utilization safety intelligent monitoring system based on a secondary circuit. The system comprises a control module, a secondary circuit voltage and current operation module, a temperature acquisition module, a contactor control module, a communication module, a cloud server, a state indication module and a power supply module. The leakage current of the main circuit is collected through the zero sequence current sensor, and the current flowing through the main circuit is collected through the Hall current sensor. The voltage in the main circuit is collected, and voltage reduction conditioning is carried out. Then the voltage is input into the control module, is sampled and filtered, is uploaded to the cloud server through the communication module, and is compared with a stored characteristic model in parameter, so that the working state of the circuit is judged. And the voltage returns to the control module, the state indication module is driven by the control module to displ