Electronic Modular Control Panel II+ (EMCP II+) Caterpillar


GSC CID 1169 - FMI 02

Usage:

3412C 4BZ
产生此代码的情况:

"ATB+" 可将来自发电机的交流相电压和相电流降至可供 GSC+P 使用的信号水平。 GSC+P 利用这些降压信号:计量交流功率, 计算母线相角 和 检测发电机的相序。 发电机的相序为以下顺序:相 A, 相 B 和 相 C。

CID 1169 FMI 02 的可能原因是 ATB+ 输出的两或三相间短路。 任意两相间的相角为 120°。 短路将使任意两相间的相角不等于 120°。

GSC+P 将 CID 1169 FMI 02 当作报警故障处理。 GSC+P 将停止"转速调整 1" 和 GSC+P 的闭合断路器功能。 CID 1169 FMI 02 不会影响任何其他同步过程。

测试步骤 1. 检查线电压。

  1. 起动发动机。

  1. 记录 GSC+P 上显示屏上的线电压。

预期结果:

线电压应当在 ±5% 的范围内相等。 电压还应当在发电机组额定电压的合理数值范围内。

结果:

  • 正常 - 线电压在 ±5% 范围内相等,并且电压在发电机组额定电压的合理数值范围内。

    修复: ATB+ 出现故障。 更换 ATB+。 请参阅测试和调整, "EMPC 电子控制器(交流变压器箱)- 更换"。

    停止

  • 异常 - 电压不正常。

    修复: 利用示意图和接线图部分内的 ATB+ 系统示意图和交流示意图对导线进行故障诊断与排除,并找到故障的确切原因。 ATB+ 相输出上短路通常不会导致 ATB+ 永久性损坏。 更换任何部件前,先排除故障并检查部件是否正常工作。

    停止

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