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第 5 章 电缆线路的电气测试 PowerPoint PPT Presentation


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第 5 章 电缆线路的电气测试. 第 5 章第 1 讲 电缆线路障碍测试 5.1.1 电缆线路障碍测试的基本步骤 5.1.2 电缆线路障碍测试方法综述. 5.1 电缆线路障碍测试 在日常维护工作中,电缆发生故障时应尽快的恢复通话,必要时采取 “ 先重点后一般 ” 和 “ 抢多数,修个别 ” 的原则,迅速排除障碍并防止扩大范围,确保电话畅通。这样就需要维护人员在排除故障时,首先应判断故障的性质,并选择仪器及时测定障碍位置,再进行修复工作。要做到测量结果准确,应做到以下几点: ●对于测量基本原理和仪表的使用方法必须掌握; ●对于导线的变化要有准确的记录;

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第 5 章 电缆线路的电气测试

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5

51

5.1.1

5.1.2


5.1


5.1.1

1.

2.

3.


5.1.2

1.

2.

3.

4.

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