In modern power systems, SF6 monitoring system, as an intelligent online monitoring tool, has become an important guarantee to ensure the personal safety of staff. With the widespread use of SF6 gas in distribution rooms and high-voltage equipment, the demand for its leakage monitoring has become increasingly urgent. This article will thoroughly discuss the SF6 monitoring system's working principles and its importance in power safety.
The Core Functions of the SF6 Monitoring System
The SF6 monitoring system is designed to provide comprehensive safety protection for the power industry. The system consists of a host and several four-in-one gas sensors, capable of real-time monitoring of the concentrations of SF6 gas and oxygen in the environment. The sensors adopt highly stable import technology to ensure the accuracy and reliability of the monitoring data.
When the SF6 gas concentration exceeds the standard or the oxygen content decreases in the environment, the SF6 monitoring system will automatically alarm and start the ventilation equipment to ensure air circulation. In addition, the system also features temperature and humidity detection and historical data query functions, helping the staff to fully understand the environmental status and take timely measures.
This monitoring system is widely used in SF6 switch rooms, combined electrical rooms, and SF6 main transformer rooms of various voltage levels, making it an indispensable part of ensuring power safety production.
The Working Principle of the SF6 Monitoring System: Real-Time Monitoring and Intelligent Response
The SF6 monitoring system mainly consists of four parts: the system host, the four-in-one sensor, peripheral devices, and the remote monitoring system. The four-in-one sensor is responsible for collecting the gas concentrations and temperature and humidity data in the GIS room, converting them into digital signals, and transmitting them to the system host via the RS-485 bus.
After receiving the data, the system host analyzes and judges it. When it detects that the SF6 gas concentration exceeds the preset alarm value (for example, the factory default value is 1000PPM), the system will immediately alarm and display the relevant values. Similarly, if the oxygen content is lower than the preset value (default value is 18%), it will also trigger an alarm.
In addition, the SF6 monitoring system can be linked with sound and light alarms, infrared motion detectors, and other peripheral devices to ensure that safety hazards are addressed promptly. This intelligent response mechanism enables the system to respond quickly in emergencies, effectively reducing the risk of accidents.
The Importance and Application Prospects of the SF6 Monitoring System
With the continuous development of the power system, the importance of SF6 gas monitoring systems has become increasingly prominent. Although SF6 gas is non-toxic to humans, it decomposes into toxic substances under the action of a high-voltage arc. Leakage may lead to low oxygen and toxic environments indoors, threatening the safety of staff. Therefore, the application of the SF6 monitoring system is particularly important.
By implementing the SF6 monitoring system, the power industry can greatly enhance the level of safe production. The system can not only monitor gas concentrations but also help enterprises identify potential hazards through historical data analysis and perform preventive maintenance.
In the future, with the development of the Internet of Things and big data technologies, the SF6 monitoring system is expected to integrate with more intelligent devices and platforms, achieving more comprehensive and precise monitoring solutions and promoting the intelligence progress of the power industry.
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Mon 12 2021
