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SF6 Gas Density Online Monitoring System Products in GIS

1. SF6 density of gas remote relay


The electronic digital density monitoring part is mainly composed of pressure sensor, temperature sensor and main board.


The main board is equipped with an embedded microprocessor, which collects pressure and temperature signals as the core, and outputs real-time pressure, temperature, and density digital signals based on RS485 transmission for remote monitoring in the background through analysis and calculation.


The SF6 density of gas online monitoring software is an embedded software, which is embedded in the 16-bit DSP hardware platform to realize the online monitoring of the SF6 gas in the GIS gas chamber.


SF6 gas remote transmission density relay can query temperature, pressure and density separately or at the same time at the host computer, and the query time is more than 300mS.


Upload in RS-485 mode, baud rate is 9600, can extend 1200km without repeater, which is convenient for remote online monitoring of SF6 density of gas value of the point to be measured.


In addition to the dial display function, the mechanical density relay can also output the contact signal of the preset SF6 density of gas. The mechanical density relay part and the electronic  part of digital density monitoring system are independent of each other and do not affect each other, realizing double safety protection.


SF6 gas remote transmission density relay is mainly used to remotely monitor the density, pressure and temperature of SF6 gas in switchgear. It can not only meet the on-site inspection and meter reading, inflatable gas supply, but also remotely monitor the SF6 gas state in the switchgear and collect various parameter data at any time, which can fully meet the requirements of online monitoring of modern smart grids.


According to the different communication signal transmission medium, the remote density relay is divided into three types: cable, optical fiber and wireless. Because the optical fiber remote transmission SF6 relay has the characteristics of large transmission capacity and strong anti-electromagnetic interference ability, it is widely used in high-voltage and ultra-high voltage switchgear with strong electromagnetic radiation and electromagnetic interference to ensure the optical fiber remote transmission density relay. The collected data can be delivered quickly and accurately.


The wireless remote density relay is widely used in the upgrading and technical transformation of high-voltage switchgear because it does not need to lay cables for transmitting signals.


In order to solve the problem that the existing GIS internal space is relatively tight and the mechatronics remote transmission density relay is difficult to install, a digital remote transmission density relay has now appeared.


2. Digital remote density of gas relay


Digital remote density relay is mainly composed of pressure sensor, temperature sensor, main board, LED or LCD display and rechargeable battery.


The main board is equipped with an embedded microprocessor, and takes this as the core to collect pressure and temperature signals, and through analysis and calculation, output real-time pressure, temperature, and density digital signals based on RS485 transmission for remote monitoring in the background.


The LED or LCD display screen can alternately display the density, pressure and temperature of SF6 gas on-site. In addition, the product can also output the contact signal of on-site gas supply alarm and lockout. The setting of the contact signal is set by software programming.


The biggest feature of this product is its compact structure, and it also fully satisfies the user's on-site density, pressure and temperature signal display, contact signal output for alarm and blocking, and real-time remote transmission of SF6 density of gas, pressure and temperature.


It is called a gas density transmitter that only retains the real-time remote transmission of the density, pressure and temperature of the SF6 gas. It is generally used in conjunction with a mechanical density relay and has been widely used in the power industry.


The market application prospect of SF6 density of gas online monitoring of GIS has expanded a very large market space. It replaces manual inspection, saves labor costs, reduces human misjudgment, and realizes unattended operation, especially for substations in remote areas.


Real-time monitoring and monitoring can retain historical data to provide a basis for subsequent analysis. At the same time, it can predict the trend of faults such as leakage, and take preventive measures to truly realize intelligent online monitoring.

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Lanso Instruments INC.
CA, 828 Harbourside Dr Unit106 North Vancouver, BC V7P 3R9, Canada
+1 6049873882
info@lansoinstruments.com
CA, 828 Harbourside Dr Unit106 North Vancouver, BC V7P 3R9, Canada
info@lansoinstruments.com
+1 6049873882