Weavers China SF6 online detection and alarm system, SF6 environmental detection and alarm device is mainly used in 10KV, 35KV switch room and 110KV, 220KV, 500KV, 1000KV and other GIS rooms to monitor SF6 leakage in the environment and oxygen content in the air in real time. Products It is widely used in State Grid Corporation, South Grid Corporation, five major energy companies, power plants and major industrial electricity consumers. The hotline is 400-7755-016.

Qingxi 110KV Substation Replacement SF6 Online Detection and Alarm System Project

The Qingxi 110KV Substation of Jiangxi Electric Power Bureau is located in Qingxi Village, Shangli County, Pingxiang City, Jiangxi Province, near Yangqi Mountain Scenic Spot and the "First Cave in the World" Nielong Cave. Electricity for residents in the park and more than 20 natural villages in surrounding villages and towns, as well as electricity for sightseeing in the "No.

The substation originally used the SF6 online detection and alarm system of a company in Changzhou, Jiangsu. The system was installed in June 2015 and has been running for 3 years and 2 months. At present, the system interface is blurred with abnormal false alarms. The company reported to the municipal electric power company for replacement, and the municipal electric power company purchased the original Weavers SF6 concentration online monitoring system (Winfoss-S1). "Environmental Monitoring System" requirements, and in line with "DL-408-1991 - Electrical Safety Work Regulations - Electrical Parts of Power Plants and Substations" Chapter 8 "Work on Sulfur Hexafluoride Electrical Equipment"

After installation and debugging by our company's technical service personnel, the system achieves the designed functions. The system can accurately monitor the SF6 gas leakage and ambient oxygen concentration in each interval of the switch room. ) The upper and lower fans in the room are controlled by linkage. When leakage occurs or the oxygen content is too low, the operation of the fan is automatically controlled, and the fan is automatically controlled to stop exhausting and supplying air until the ambient concentration returns to the normal state.

The monitoring host of this solution integrates an alarm indicating device, an infrared human body sensor and a voice broadcasting unit, which makes the system structure clear and the site layout beautiful (it is not necessary to install the alarm device and infrared sensor on the wall with the monitoring system installed by other companies). ). When someone approaches the host within 10 meters before the automatic voice broadcast of the current switch (GIS) room status. If it is normal, the broadcast room is in a normal state, and the voice prompt can enter; if it is abnormal, the host alarms and announces that the room is in an abnormal state, and the voice prompt prohibits entry. The monitoring system performs linkage control with the lower fan in the switch (GIS) room. When leakage occurs or the oxygen content is too low, the fan is automatically controlled to operate, and the fan is automatically controlled to stop exhausting and supplying air until the ambient concentration returns to normal. The SF6 and oxygen monitoring unit used in this scheme has dual monitoring functions of SF6 leakage concentration and oxygen content. On the one hand, it has the advantages of clear site structure, beautiful layout, and improved convenience for later maintenance; The dual detection function of oxygen and oxygen can play a double insurance detection advantage for any detection position, and more effectively ensure that technicians receive safety prompts and personal protection in any environment. The temperature and humidity monitor configured in this solution has the dual detection function of ambient temperature and humidity, and monitors the indoor environment temperature and humidity of the switch (GIS) in real time. The dehumidifiers, air conditioners or heaters installed on the site are operated to achieve ambient temperature and humidity control. Through the replacement and transformation of the SF6 online detection and alarm system, the personal safety of the inspection personnel in the switch room and the normal and safe operation of the GIS equipment are effectively guaranteed.