SF6 Concentration Online Monitoring System (Winfoss-S1)

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SF6 Concentration Online Monitoring System (Winfoss-S1)

SF6 gas detection and alarm system

Supported platform: Windows/Linux/Unlix

Software size: 10M

Brand: WINFOSS

Model: Winfoss-S1

SF6 Measurement range: 1 ~ 3000 Detection accuracy < ±25ppm+2%

SF6 Alarm point: 1000ppmv; The value ranges from 100 to 1000

Oxygen measurement range: 1 ~ 25%; Detection accuracy < 1%FS

Humidity detection range: 1-99%RH, detection accuracy ±1%RH

Fan linkage control output contact: active AC220 one way, passive hard contact four

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产品详情/ Product details

SF6 concentration online monitoring system according to the "DL408-1991 electrical industry safety working regulations (Electrical parts of Power plants and substations)" Chapter 8, "DLT 639-1997 sulfur hexafluoride electrical equipment Operation, testing and maintenance personnel safety protection Rules" chapter 4 requirements and "JBT 10893-2008 High voltage combined electrical distribution room sulfur hexafluoride environmental monitoring system requirements, which in the "Electrical industry safety work Regulations" (power plant and substation part), the distribution unit room equipped with SF6 equipment must ensure that SF6 gas concentration is less than 1000ppm, In addition to the installation of strong ventilation devices, oxygen meters and SF6 gas concentration monitoring and alarm meters must be installed.

SF6 concentration online Monitoring system (WINFOSS-S1), also known as SF6 leak monitoring and alarm system, SF6 gas online leakage monitoring and alarm device, SF6 gas quantitative monitoring and alarm system, SF6 concentration monitoring instrument, SF6 gas leak monitoring device, SF6 online detection and alarm instrument, SF6 quantitative monitoring and alarm device, SF6 concentration online monitoring and alarm device.

Product overview

SF6 concentration online monitoring system (WINFOSS-S1) according to the "DL408-1991 electrical industry safety working regulations (Electrical Parts of Power plants and substations)" Chapter 8, "DLT 639-1997 sulfur hexafluoride electrical equipment Operation, testing and maintenance personnel safety protection Rules" chapter 4 requirements and "JBT 10893-2008 High voltage combined electrical distribution room sulfur hexafluoride environmental monitoring system requirements, which in the "Electrical industry safety work Regulations" (power plant and substation part), the distribution unit room equipped with SF6 equipment must ensure that SF6 gas concentration is less than 1000ppm, In addition to the installation of strong ventilation devices, oxygen meters and SF6 gas concentration monitoring and alarm meters must be installed.

The system is specially designed for the switching room of high voltage GIS combined electrical equipment with different voltage levels such as 10kV, 35kV, 110kV, 220kV, 500kV, 750kV in the power system, as well as the switching room of SVG ring network cabinet and the place where SF6 gas is applied. The system has online real-time monitoring of SF6 gas concentration and oxygen content in the environment as well as temperature, humidity comprehensive monitoring and alarm system, with fan linkage control and monitoring data upload to the monitoring center platform functions. To protect the personal safety of on-site inspection personnel and ensure the safe operation of SF6 electrical equipment.

The whole system is composed of touch LCD screen monitoring host, SF6 gas and oxygen monitoring unit module, temperature and humidity monitoring unit module, human infrared voice sensor, sound and light alarm device and fan linkage controller, etc. The system can automatically record various alarm data and real-time online monitoring data, and provides an interface with remote communication device to realize remote control, telemetry and remote communication. Control fans, air conditioners, access control and other devices in a set way; All monitoring data can be uploaded to the monitoring platform server.

SF6 leak detection principle :SF6 gas leak monitoring adopts non-dispersive infrared spectral absorption (NDIR) detection technology. Compared with other detection technologies, SF6 gas leak monitoring has high detection accuracy, stable and reliable, wide monitoring range, and is not restricted by environmental temperature and humidity and other conditions.

Main function

l Real-time online monitoring of SF6 concentration and oxygen content in the switching room environment 24 hours a day, 365 days, and the monitoring host dynamically displays the SF6 concentration and oxygen content of each monitoring unit in the environment, as well as the current status value of temperature and humidity.

l Real-time online monitoring of the current temperature and humidity in the switch room environment 24 hours a day, 365 days. The monitoring host dynamically displays the current status value of each temperature and humidity in the environment.

l Alarm output: When the SF6 gas or oxygen content reaches the alarm concentration, the audible and visual alarm installation will send out the audible and visual alarm and voice alarm according to the alarm threshold set by the system, and notify the remote monitoring center through the software protocol or dry contact, and automatically start the fan according to the set way.

l The alarm thresholds of the system can be set on the touch LCD monitoring host as required, and the monitoring data can be uploaded to the background monitoring computer for display or set various parameters on the background monitoring computer.

l Infrared sensing and voice alarm and prompt: If a worker approaches the switch room, the human infrared sensor in the operation control screen will be triggered, and the operation control screen will start a voice prompt to remind the staff whether there is SF6 leakage and oxygen concentration in the current room.

l Fan control: The fan has three modes of regular start, alarm start and forced start; The system has 8 time period timing start function, which can be set 0 ~ 8 times timing start according to user requirements, and the specific time of each start can be set by oneself; When SF6 or oxygen concentration reaches the alarm concentration, the system automatically starts the fan for ventilation. There are fan automatic and manual switch ICONS on the touch screen of the monitoring host interface, which can be used to switch between forced fan start and stop and automatic fan functions. SF6 concentration exceeding the standard was detected in real time. When 1000ppm or hypoxia is less than 19.6%, the ventilation start/stop time can be flexibly set to meet the various exhaust needs of users.

Product application

Product characteristics

l RS485(MODBUS) bus technology: strong anti-interference, to eliminate the phenomenon of network paralysis and data disorder, flexible networking mode, field wiring is more convenient and simple.

l All-weather online monitoring: all-weather online monitoring and control function to ensure the safety of maintenance work.

l Multi-master communication mode: When an individual monitoring unit fails, it does not affect the normal operation of other equipment and the entire system.

lLCD Chinese display: 10.4 inch NEC touch LCD color display, high resolution, comfortable interface browsing.

l Long-term data storage: The storage space of historical monitoring data is large, and users do not delete it. Even if the system is powered off, data will not be lost for 10 years.

l Flexible expansion: After the user switch set is increased, the monitor can be easily expanded and the expansion cost can be saved.

l Screen protection: screen automatic protection function, environmental protection and energy saving, greatly improve the service life of the host.

l Host software driver: host computer software support, to achieve monitoring data import, management, analysis and printing; Automatic backup for further management and trend analysis.

l Historical data query: The historical monitoring data of any time period can be queried and managed in the host menu or the computer in the main control room.

l SF6 gas detection and alarm system is a comprehensive online monitoring system, facing the overall design of SF6 switch station, it can be compatible with the access function of SF6 gas density micro-water online monitoring.

l Special environmental applications: suitable for high altitude and cold environment applications.

Technical parameter

SF6 concentration Online monitoring system (Winfoss-S1) can quantitatively monitor SF6 gas leakage, using non-spectral infrared spectral absorption (NDIR) sensor, its accuracy can reach 25ppm, the detailed technical parameters of the system are as follows: