Simulation system and method for chromatographic on-line detection of transformer oil gas

A simulation system and transformer technology, applied in the field of transformer oil gas chromatography online detection simulation system, can solve the problems of uneven product performance and large differences in key technologies, and achieve reliable performance

Active Publication Date: 2014-01-15
STATE GRID CORP OF CHINA +1
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Problems solved by technology

The structure of chromatography online monitoring is very different from that of laboratory chromatography workstation, and the key technology is also very different, and the performance of products varies greatly.

Method used

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  • Simulation system and method for chromatographic on-line detection of transformer oil gas
  • Simulation system and method for chromatographic on-line detection of transformer oil gas

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing, further elaborate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0030] Such as Figure 1-2 shown.

[0031] The key to constructing the detection and simulation system of online monitoring equipment for transformers is to construct a constant-capacity transformer oil circulation system with controllable temperature and pressure, and an oil sample configuration unit with controllable concentrations of various gas components. Use the online monitoring equipment and the offline chromatographi...

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Abstract

A simulation system for chromatographic on-line detection of a transformer oil gas comprises an oil sample configuration unit, an on-line test unit and a comparative analysis unit. The oil sample configuration unit completes the configuration of an oil sample. The on-line test unit comprises a circulating oil path, a circulating pump, a blowing pump, an oil tank and an oil path temperature control device; and completes the on-line test of the oil sample. The comparative analysis unit involves measurement error analysis, cross-sensitivity detection, minimal detection period detection, measurement reproducibility detection, data transmission detection and data analysis function detection.

Description

technical field [0001] The invention relates to a transformer detection technology, in particular to a transformer oil gas chromatographic on-line detection simulation system and method. Background technique [0002] As one of the important equipment of power system, power transformer and high-voltage shunt reactor directly affect the safe operation of power system. Dissolved Gas Analysis (DGA) is the main method for diagnosing internal insulation faults of oil-filled electrical equipment in power systems. [0003] At present, the online monitoring methods of gas in oil mainly include chromatography, array sensor method, infrared spectroscopy, photoacoustic spectroscopy, etc., which have been researched and developed abroad in recent years. At present, gas monitors in oil use special methods to separate gas from oil. , use the network to automatically and real-time transmit the on-site data to the monitoring center for centralized processing; and the gas detection methods a...

Claims

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Application Information

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IPC IPC(8): G01N30/00
Inventor 王保山叶国雄刘翔郭克勤熊易汤霖付超胡民杰杨亚北彭超张锐黄华代静汪英英郭浩洲应斯金建伟梁正波唐鹏吴春九
Owner STATE GRID CORP OF CHINA
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