NGA-80 transformer oil chromatography-line monitoring system

? Advantages online testing H2, CO, CO2, CH4, C2H4, C2H2, C2H6, TCG's concentration and rate of growth, and oil temperature, water activity, monitoring of gas content;? No wash cycle circulating pump quantitative sampling methods, truly The reaction gases dissolved in transformer oil-free vacuum pump state vacuum degassing mode: degassing rate stability, simple structure, reliable performance, no pollution, no emissions; carrier gas module may be dedicated, self-purging gas drying, long-term use free?? ventilation to the annual annoyance;? composite column dedicated to improve the separation of the gas components;?? imported special detector to improve detection sensitivity of various gases and repeatability error range <10% independent internal cabinet temperature and humidity control unit, eliminating regional and seasonal and other factors have an impact on equipment operation;? high data acquisition accuracy, using Δ-Σ, 24-bit ADC and digital filtering, oversampling techniques such as automatic calibration pattern data collection;? a variety of data display and query, providing reports and trends, historical data storage life of 10 years; high anti-interference performance:? the use of optical isolation and other technology to improve the anti-jamming capability, electromagnetic compatibility compliance with the relevant standards; provides two levels of alarm? The alarm signal can be remote;? each detection time of 40 minutes, the user can set their own testing cycle. ? Fully back oil technology, oil sample degassing process is not in contact chromatographic carrier gas, oil sample degassed return transformer body in a slight negative pressure;? C2H2 minimum detection limit of 0.1-0.5 μ L / L;? strengthening the system fault diagnosis functions, providing improved three-ratio method, David trigonometry and cube graphic method, given diagnosis;? follow IEC61850 communication protocol, while meeting the I1, I2 exchange substation oil chromatography equipment communication via GSM SMS Upload form:??? support Ethernet / fiber interface, all-digital, remote data transmission, control and parameter settings; structure 19 "standard chassis, modular design, compact, easy to install and maintain; with standard interior equipment cylinders, real-time calibration, within 12 months without manual operation;? highly scalable, can be easily integrated with other monitoring devices;