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电气设备老化程度识别方法 | 2012-1-2 16:30:00
电气设备老化程度识别方法
1、 根据电气设备标注的出厂日期,推算电气设备已经使用的时间。
2、 对电气设备进行绝缘能力的检测,凡是所测电气绝缘能力下降至不能允许的程度时,就可确定其已经老化,不能再继续使用。这通常要电流电压表测试才能得出准确的数据。
3、 观察电气设备表面。凡存在连接点不实,丝扣脱扣、绝缘保护层破损、绝缘支点脱落 、电气设备在使用时有异常气味等现象,说明设备已经老化应当立即停止使用,关机检修。
4、 建筑物内部的电气设备也可依据建筑物交付使用时间而定。
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