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断路器“拒合”情况解析

2019/9/17 8:13:30      点击:

现代电气设备的缺点率现已非常低了,但在长期的运转当中,必定还是会偶尔出现缺点的情况。

  关于断路器来说,“拒合”情况是其所有缺点中出现比较多的,这种情况基本上是在合闸操作和重合闸过程中发作的,缺点危害性较大。

  举个比方,出现意外事故时,处处断水断电,那么就需要投入备用电源,假设这时候备用电源的断路器拒绝合闸,那么就会扩大事故了。

  判断断路器“拒合”的原因及处理办法一般可以分三步:

  1.查看前一次拒绝合闸是否因操作不当引起,用控制开关再从头合一次;

  2.若合闸仍不成功,查看电气回路各部位情况,以承认电气回路是否有缺点。

  查看项目是:合闸控制电源是否正常,合闸控制回路熔断器和合闸回路熔断器是否杰出,合闸接触器的触点是否正常等;

  3.假设电气回路正常,断路器仍不能合闸,则说明为机械方面缺点,应停用断路器,报告调度安排检修处理。

  要记住一点,若非专业的技术人员,在断路器发作“拒合”时不要进行盲目处理,稍不当心就可能会导致电路器自身的元件损坏,一定要等待专业人员进行修正处理。