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高压开关柜除湿防潮比较全的解决措施有哪些?

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高压开关柜除湿防潮比较全的解决措施有哪些?

发布日期:2020-03-23 作者: 点击:

高压开关柜除湿防潮比较全的解决措施有哪些?哈尔滨高压开关柜由于其结构紧凑、占地面积小、操作便捷等优点,在35kV及以下系统中得到广泛应用。为了保证可靠性和安全性,开关柜一般采用封闭母线桥架连接,具有高度的封闭性,结构紧凑,内部空间较小,相对封闭空气流通不畅,且常由于封堵不严、地下返潮等原因进入湿气;当空气湿度过大时,柜内容易产生凝露现象,引起绝缘件受潮,使得元器件的性能和寿命降低,金属腐蚀加快,接触面氧化,接触电阻增大,导致高压电气设备的绝缘强度严重下降,进而导致事故的发生。因此,防潮除湿已成为保障开关柜安全稳定运行的重要因素。


WEILEFANGZHIKAIGUANJUSHOUCHAOSHIYINGXIANG,HAERBINZHIBANGZIDONGHUAKONGZHIXITONGZHUANGZHIZHIZAOYOUXIANGONGSITONGGUODALIANGDESHIGONGANLIZONGJIELEYIXIAGUANYUGAOYASHIKAIGUANJUCHUSHICUOSHI:


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哈尔滨开关柜

开关柜除湿有哪些办法?开关柜潮湿凝露对开关柜的运行影响很大,很多站对开关柜除湿认识不是很深,导致事故发生。 去年,陕西某变电站炒股赚钱平台监控中心的值班人员在值班过程中发现某110kV变电站其中的一个主变低后备保护发生保护动作,使得主变低压侧的开关断开,导致10kV母线失电,随即联系运维人员到事故发生现场对事故发生状况及原因进行勘察,运维人员到现场后发现一10kV高压开关柜出现了烧毁问题,随即增派检修人员到现场对其进行拆修。检修人员对其进行检查之后发现此开关柜内部损坏严重,柜内有多部位包括绝缘支柱、穿墙套管、触头盒、母排、静触头挡板、二次接线槽板、电缆仓防火板等均有不同程度的受潮凝露现象。由于绝缘件的防潮能力不足以抵御这些凝露,而且在长时间的运行过程中,凝露的存在导致其绝缘性能不断下降直至丧失,这样就会引发局部放电问题的发生,而且局部放电还会对其他设备的绝缘部件性能造成破坏,因此加速了绝缘性能的下降,从而导致事故的发生。


从本此事故中可以看出,开关柜内部出现凝露问题对设备的绝缘性能有着较大的影响,不仅会造成绝缘性能降低,还会导致设备受损,甚至是出现火灾、爆炸等事故。因此开关柜除湿对开关柜运行是非常重要的。为了解决开关柜潮湿凝露问题,哈尔滨开关柜厂家总结了一些关于开关柜除湿的解决措施供大家参考。


1、DIANLANGOUFENGDUXIUFU


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2、ANZHUANGCHUSHIZHUANGZHI


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相关标签:哈尔滨开关柜,哈尔滨高压开关柜,哈尔滨开关柜厂家

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