Electric Protection System Energize-To-Run For Generator Set, Industrial and Marine Diesel Engines Caterpillar


Slave Relay Test

Usage:

3304 10E



图 1g00564929

9X-4276 继电器

随动继电器测试将确定内部开关的触点是否在端子(SR-87)和(SR-87a)触点间短路。 随动继电器未通电时,一个触点正常关闭而另一个触点正常打开。 使用 6V-7070 数字万用表 对随动继电器进行测试。

  1. 从接线箱拆下继电器。 将 24 伏电源的负极导线连接端子(SR-86),正极引线连接端子(SR-30)。

  1. 将万用表的负极导线置于端子(SR-86)上,万用表的正极引线置于端子(SR-87a)上。 电压应为 24 伏。

  1. 将万用表的负极导线置于端子(SR-86)上,万用表的正极引线置于端子(SR-87)上。 电压应为零。

  1. 将跨接线跨接端子 (SR-30) 和 (SR-85)。 将万用表的负极导线置于端子(SR-86)上,万用表的正极引线置于端子(SR-87a)上。 电压应为零。

  1. 将万用表的负极导线置于端子(SR-87)上,万用表的正极引线置于端子(SR-86)上。 电压应为 24 伏。

  1. 如果万用表读数有任何错误,则继电器出现故障且需要更换。

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