JC-OM200 Lightning Arrester Online Monitoring System
The JC-OM200 arrester online monitoring device realizes the monitoring of the insulation performance of the metal zinc oxide arrester. The online monitoring of the arrester requires two devices: the JC-OM200 arrester online monitoring device and the JC-OM200/PT bus voltage online monitoring device, which can monitor the full current of the arrester in real time. , Resistive current, capacitive current, number of lightning strikes, lightning strike time, through analysis and fitting processing of the monitored data, combined with the on-site working conditions, the leakage current of the porcelain sleeve caused by the pollution or internal moisture of the arrester can be found in time Or increase the leakage current of the insulating rod to avoid accidents.
SF6 gas concentration online monitoring and alarm system
J CD L/1 SF 6 gas concentration online monitoring and alarm system (hereinafter referred to as this system) is a high-tech new high-tech developed by our company for the personal protection needs of indoor staff in SF 6 switch room, combined electrical appliance (GIS) room, etc. product. This system adopts original imported sensors, combined with the powerful control capability of C P U, can monitor the concentration of SF 6 gas, oxygen content and ambient temperature and humidity online in real time, and use the bus for digital transmission of the measurement results. It can accurately and timely grasp the status of the operating equipment, and also control the exhaust air of the fan.
SF6 micro water density online monitoring system
The JC-OM500 SF6 gas micro-water density online monitoring system is a key project established by the company in accordance with the development requirements of the national smart grid. This series of products adopts the latest telemetry and remote sensing technology and background computer technology in one, compact appearance, can achieve high-precision measurement, Computer background processing, massive historical data storage and other functions, suitable for on-line measurement of water, density and temperature of SF6 gas of various voltage levels of SF6 circuit breakers, GIS, AIS and other equipment, to achieve no emissions, environmental protection, safety, and real-time , Remote and other advanced dynamic monitoring to meet the needs of power distribution network automation and equipment status maintenance, and to reserve interfaces for the intelligent construction of the power grid. This series of products has advanced technology, filled the domestic gap, and obtained a number of patents.
JC-OM300 distributed optical fiber temperature measurement system
The distributed optical fiber temperature measurement system uses the spontaneous Raman scattering signal and optical time domain reflection (OTDR) principle generated when light is transmitted in the optical fiber to obtain spatial temperature distribution information, which is dedicated to online temperature monitoring of power cables, tunnels, and subways. . A system that uses one (or more) ordinary optical fibers and one terminal device to measure the temperature of up to several thousand points within a range of several kilometers is realized.
JC-OM301 Fiber Bragg Grating Temperature Online Monitoring System
The JC-OM301 fiber grating temperature online monitoring system is mainly composed of fiber grating sensor, transmission cable, fiber grating intelligent demodulator and computer. The fiber grating sensor is installed on the surface of the measured point to realize the signal collection; then the signal is transmitted to the fiber grating intelligent demodulator through the optical cable. The optical fiber grating intelligent demodulator transmits the signal to the computer through the Ethernet port after analysis, and the computer system implements data processing, fault diagnosis, alarm and control, etc.
On-line monitoring system for transformer core/clamp grounding
The JC-OM201 transformer core/clamp grounding online monitoring system consists of the JC-OM201 transformer core/clip grounding monitoring device and the JC-8000 integrated intelligent online monitoring device.
MOA current monitor online monitoring system
Function introduction: MOA current monitor is mainly used for real-time and online monitoring of the full current, discharge current and cumulative action times of MOA arresters. The MOA current monitor adopts a current sampling method with no residual voltage and full isolation, which is mainly composed of a current transformer, A/D conversion, single-chip microcomputer and RS485 communication module. The current transformer is a single-turn primary through-core current transformer, and the measurement result is used The bus is used for transmission. The MOA current monitor adopts advanced compensation technology, so it has good versatility and interchangeable measurement.
“Top Ten Innovative Projects” of State Grid Corporation of China, 500kV UPFC project with the highest voltage level and largest capacity in the world
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