Transformer oil gas detection device and detection method
A technology of oil gas detection and transformer oil, which is applied in the field of transformer gas detection, can solve problems such as detection errors, gas concentration detection errors, and inability to accurately and timely detect transformer faults, so as to improve accuracy, avoid cross-interference, and facilitate discovery
Pending Publication Date: 2022-03-18
HANGZHOU KELIN ELECTRIC POWER EQUIP
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Problems solved by technology
[0003] Compared with other gas detection technologies, photoacoustic spectroscopy technology has the advantages of good long-term stability and high sensitivity; it does not consume gas samples; the single detection time is short, which is convenient for rapid detection. However, when detecting, it is often to detect mixed gases , this detection method will cause detection errors due to gas cross-interference, and the cross-interference method will also lead to gas concentration detection errors, which cannot accurately and timely detect internal faults in the transformer
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[0018] Embodiments of the present application are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification. The present application can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0019] The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are ...
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The invention provides a transformer oil gas detection device and a detection method. A main control unit of the transformer oil gas detection device is respectively connected with an oil gas separation unit, a gas separation unit and a gas detection unit; one end of the oil-gas separation unit is connected with an oil outlet of the transformer, and the other end is connected with the gas separation unit; the gas separation unit is provided with a plurality of gas separation channels, the gas separation channels are coated with gas adsorption layers, and gas is separated through the gas adsorption layers to obtain gas to be detected; the detection ends of spectrum detection sensors of gas detection modules in the gas detection units are arranged in gas detection cavities, and the gas detection modules are connected with the gas separation channels in a one-to-one correspondence manner. According to the method, cross interference caused by gas mixing can be avoided, the contents of different gases are rapidly determined in a quantitative detection mode, the gas component and content detection accuracy is improved, and faults in the transformer can be accurately and timely found.
Description
technical field [0001] The invention relates to the field of transformer gas detection, in particular to a transformer oil gas detection device and a detection method. Background technique [0002] Electric power is the driving force of modern civilization. The development of all industries is inseparable from the power system. The requirements for power supply systems such as power transmission and traction In the fault detection test of transformers, online oil and gas analysis is required; for transformer oil with oil and gas insulation, heat dissipation, and arc suppression (long-term operation, equipment aging, and partial discharge), the long-chain organic molecules in the oil will degrade into H2, CH4, and C2H4 Such small molecular organic gases are dissolved in insulating oil. Different voltage transformation failure modes and different stages of the same fault will produce different energies. Under different energies, the insulating oil will decompose into differen...
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IPC IPC(8): G01N21/17G01N1/34G01N1/40
CPCG01N21/1702G01N1/34G01N1/40G01N2021/1704
Inventor 崔福星谢炜陈挺王满平周川
Owner HANGZHOU KELIN ELECTRIC POWER EQUIP