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变压器油耐压试验取油样工作的注意的要点

(1)油样应能代表设备本体油,应避免在油循环不够充分的死角处取样。一般应从设备底部的取样阀取样,在特殊情况下可在不同取样部位取样。
(1) the oil sample should be able to represent the equipment body oil, and avoid sampling at the dead corner where the oil circulation is not enough. Samples should be taken from the sampling valve at the bottom of the equipment and, under special circumstances, samples at different sampling locations.
(2)取样要求全密封,即取样连接方式可靠,不能让油中溶解水分及气体逸散,也不能混入空气(必须排净取样接头内残存的空气),操作时油中不得产生气泡。
(2) the sampling requirements fully sealed, sampling reliable connection, can not let the loss of water and dissolved gas in oil, but also can not be mixed with air (must be drained sampling joint remaining in the air), when oil may not produce bubbles.
(3)取样应在晴天进行。取样后要求注射器芯子能自由活动,以避免形成负压空腔。
山东变压器油
(3) sampling should be carried out on sunny days. After sampling, the syringe core can be freely moved to avoid forming a negative pressure cavity.
(4)油样应避光保存。
(4) oil samples should be kept away from light.
(5)用500~1000mL取样瓶,先用洗涤剂进行清洗,再用自来水冲洗,最后用蒸馏水洗净,烘干、冷却后,盖紧瓶塞。
(5) use 500 ~ 1000mL sampling bottle, first wash with detergent, and then rinse with tap water, finally rinse with distilled water, dry, cool, and then close the bottle stopper.
(6)对于变压器、油开关或其他充油电气设备,应从下部阀门处取样。取样前油阀门需先用干净甲级棉纱或布擦净,再放油冲洗干净。
(6) for transformers, oil switches, or other oil filled electrical equipment, samples should be taken from the lower valve. Before sampling, the oil valve should be cleaned with clean cotton or cloth first, then put oil to be cleaned.
在高压电气设备中,广泛大量应用着绝缘油,如变压器、油断路器、电缆、电容器、互感器等大都充有绝缘油。
Insulating oil is widely used in high voltage electrical equipment, such as transformers, oil circuit breakers, cables, capacitors and transformers, etc. most of them are filled with insulating oil.
在这些电气设备中,凯奥变压器油在变压器的运行中起着加强绝缘、冷却或灭弧的作用。为了保证变压器油的质量,必须定期进行有关试验。
In the electrical equipment, the crew of the transformer oil in transformer operation plays a strengthening insulation, cooling or quenching effect. In order to ensure the quality of transformer oil, the relevant tests must be carried out on a regular basis.
其中,变压器油的电气强度试验是一个主要的内容。实验中变压器油的取样是一个重要的环节。变压器油取样是指在需要试验的变压器油中取出一小部分样品,以供试验之用。为了保证样品不“走样”,试验人员必须严格遵守取样的要求,认真进行这项工作。
Among them, the transformer oil electrical strength test is a major content. In the experiment, the sampling of transformer oil is an important link. Transformer oil sampling refers to the removal of a small fraction of the sample oil in the transformer oil to be tested. In order to ensure that the sample is not out of shape, the test personnel must strictly comply with the requirements of sampling, and seriously carry out the work.
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This article by the Shandong transformer oil finishing release, you are not to know these contents? More content please click: http://www.jnwdsh.com, we will have more exciting content, you check.
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