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你在这里: 彩经网 > 彩经网 > 彩经网 > 电缆清洁纸:电力变压器绝缘故障的处理方法

电缆清洁纸:电力变压器绝缘故障的处理方法

来源:东莞富华电热机械制品厂     人气:     时间: 2017-10-30 14:32:14

电缆清洁纸彩经网认为目前,最广泛使用的电力变压器是油浸变压器和干式树脂变压器。电力变压器的绝缘是由变压器绝缘组成的绝缘系统。这是变压器正常运行和运行的基本条件。变压器的使用寿命是由使用寿命决定的绝缘材料(即油纸或树脂等)。实践证明,绝大多数变压器损坏和故障是由绝缘系统的损坏造成的。据统计,由于各类绝缘故障事故发生的事故占全部变压器事故的85%以上。对于正常运行和注意维护变压器的管理,绝缘材料使用寿命很长。国外根据理论计算和实验研究表明,当小型油浸式配电变压器的实际温度在95℃时,理论寿命将达到400年。设计和现场运行经验,维护良好的变压器,实际寿命可达50 - 70年:根据制造商的设计要求和技术指标,变压器的一般寿命为20〜40年。因此,保护变压器的正常运行,加强绝缘系统的合理维护,在很大程度上可以保证变压器使用寿命相对较长,预防和预防性维护是提高变压器使用寿命并提及电源可靠性高。在油浸变压器中,主要绝缘材料是绝缘油和固体绝缘材料,纸板和木块等。c所谓的变压器绝缘老化,即这些材料受环境因素的分解影响,减少或失去绝缘强度。

电缆清洁纸

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电缆清洁纸

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