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变压器油用真空滤油机过滤分析

发布时间:2017-06-07 10:14:57 分类:新闻动态 来源: 点击:次

变压器油用真空滤油机过滤分析 变压器油用真空滤油机过滤分析   变压器油为何要用真空滤油机进行过滤?  过滤的目的是除去油中的水份和杂质,提高油的耐电强度,保护油中的纸绝缘,也能够在1定程度上提高油的物理、化学性能。  配电电力变压器大都安装在露天环境中,绝缘油(变压器油)受外界杂质、和空气接触和装备本身运行温度较高的影响,使油的质量逐步变坏。变质后的绝缘油(变压器油)就不会起到应有的绝缘、冷却作用。为避免因油质变坏而导致的安全运行遭到影响,应对正常运行的配电定期采油样进行化验分析,并根据分析结果对油进行相应的处理。配电运行油化学监督的检验周期规定为最少3年1次。常规检验项目包括酸值、水溶性酸、闪点、击穿电压、外状。 应注意的是:若装备常常带负荷比较高,应在规定实验周期的基础上,增加检验次数;若经检验的项目某些指标明显接近所控制的极限值时,也应增加检验次数;由于运行油的

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