Method and special device for analyzing and collecting micro-water of electrical fluid in operating electrical equipment
A technology of electrical equipment and collection method, which is applied in the field of micro-water analysis and collection of electrical fluids, can solve problems such as affecting the accuracy of analysis and collection results, and achieves the effect of flexible operation and cost saving.
Inactive Publication Date: 2019-01-18
STATE GRID SHANDONG ELECTRIC POWER CO YANTAI CITY FUSHAN DISTRICT POWER SUPPLY CO
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Problems solved by technology
Sampling, analysis, storage and extraction processes are all in contact with air, which affects the accuracy of analysis and collection results
Method used
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Embodiment
[0037] Embodiment: a method for analyzing and collecting electrical fluid micro-water in operating electrical equipment, which includes the following steps:
[0038] 1. Collection of electrical fluid samples in operating electrical equipment:
[0039] Use a special sampler (electrical fluid micro-water analysis sampler in operating electrical equipment, referred to as sampler) to collect samples of electrical fluid in operating electrical equipment;
[0040] Electrotechnical fluid micro-water analysis sampler in the described operating electrical equipment (see figure 1 , figure 2), which is generally a piston-type gas-liquid sealing glassware, which includes a sampler body 1-2, the sampler body 1-2 is a combination of columnar and conical structures, and the discharge port is located at the top of the cone. The sampler main body 1-2 is provided with a matching push-pull sampler piston 1-1, and the contact surface between the sampler main body 1-2 and the sampler piston 1-1...
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The invention discloses an analysis and acquisition method for micro water in electric fluid in running electrical equipment and a dedicated device. The method comprises the steps of acquisition of an electric fluid sample in the running electrical equipment and constant-pressure transfer of the electric fluid sample in the running electrical equipment. Discharging of non-circulating electric fluid, cleaning of a sampler and acquisition of the sample can be achieved by means of a micro water analysis and acquisition device under the condition of air isolation. Positive-pressure transfer of the acquired sample from the sampler to a micro water analysis and injection device can be achieved by means of a matched constant-pressure transfer device. The whole process from sample acquisition to analysis completion is conducted under the condition of air isolation, so that the representativeness of sample acquisition and the accuracy of result analysis are guaranteed.
Description
Technical field: [0001] The invention relates to a micro-water analysis and collection method, in particular to an electrical fluid micro-water analysis and collection method in operating electrical equipment. Background technique: [0002] If the electrotechnical fluid of the operating equipment is exposed to air during the sampling process, the gas content and micro-moisture content will be affected. Therefore, the process of collecting gas and micro-water analysis samples in electrical fluids used in operating electrical equipment must be completed under air-isolated conditions, such as dead-volume electrical fluid discharge that does not participate in circulation, sampler flushing, and electrical fluid collection in operating electrical equipment. Three processes, and the sampling device can provide positive pressure in the subsequent micro-water analysis to press the electrotechnical fluid in the sampling device into the micro-water analyzer. [0003] At present, the ...
Claims
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IPC IPC(8): G01N1/14
CPCG01N1/14G01N2001/1031
Inventor 崔斌魏天学孟祥俊曲恒志李昀琪李艳萍倪涛周永峰韩孟良姜代鹏张伟宋嵘刘晓玲唐晓孙茂庆钟鸿飞
Owner STATE GRID SHANDONG ELECTRIC POWER CO YANTAI CITY FUSHAN DISTRICT POWER SUPPLY CO