FC-5604 temperature and humidity sensor
FC-5604 temperature and humidity sensor uses high-precision temperature and humidity probes, using LoRa wireless transmission mode, without on-site wiring, replacing traditional wired data acquisition products. The data measurement is accurate, the transmission sensitivity is high, the bit error rate is low, the installation is simple, the cost is low, and the service life is long.
JC-OM202 Transformer DC Bias Online Monitoring System (hereinafter referred to as this system) is a new high-tech product developed by our company for the needs of the power system. The current detection of this system adopts an open-loop current sensor to achieve a fully isolated sampling method, advanced microprocessor technology and unique transient parameter testing technology for linearization and calculation; this system has extremely high reliability and The safety and relatively low price enable this system to be installed on each transformer for real-time detection and centralized monitoring. Achieve accurate and timely grasp of the health status of operating equipment, so that operators can grasp and deal with potential accidents in advance, and ensure the safe power supply of the power grid.
JC-OM100 Transformer Oil Chromatography Online Monitoring System
JC-OM100 Transformer Oil Chromatography Online Monitoring System (multi-component principle) is an online monitoring product for dissolved multi-component gases in transformer oil based on gas chromatography technology. The system can detect on-line the content of dissolved H2, CO, CO2, CH4, C2H2, C2H4, C2H6 and other full-component gases in the transformer oil according to the set period. The expert system can determine whether there is a latent fault, whether it is an overheating fault or Discharge fault, and alarm according to the set alarm value. The JC-OM100 transformer oil dissolved gas monitoring device can send the online monitoring information of the dissolved gas in the oil to the background software according to the IEC61850 standard through the station control layer network. The device adopts distributed control sampling technology with self-diagnosis and self-recovery functions. Each functional module has weak coupling, independent functions, and adopts a rack-mounted structure, which is convenient for project maintenance.
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. Zero-flux current transformer: The secondary side of the transformer has dual windings, and the transformers with a large range and a small range are automatically selected according to the size of the current. At the same time, it cooperates with the amplification factor of the signal amplifier circuit to achieve high-precision measurement in a wide range;
JO-OM400B transformer local on-line monitoring system
The JO-OM400B transformer partial on-line monitoring system uses an ultra-high frequency antenna to detect and receive ultra-high frequency (UHF) signals generated by the partial discharge of the transformer to realize on-line monitoring of the partial discharge of the transformer. This system can use lE061850 protocol to output signals, and can be directly connected to the integrated online detection platform of the substation.
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.
“Top Ten Innovative Projects” of State Grid Corporation of China, 500kV UPFC project with the highest voltage level and largest capacity in the world
Jinsha River 500kV Jinsha Hydropower Station
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