都是凤舞天骄 发表于 2024-7-28 19:33:48

HWJ、TWJ有什么作用

HWJ：监视跳闸回路；TWJ：监视合闸回路。作用：接入开关的控制、信号回路中，监视回路的完整性，发生故障时利用其接点位置发出位置信号或“控制回路断线”光字牌，以及接通各跳合闸回路，保证动作可靠，当开关跳闸时发出事故音响信号。






















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anuo 发表于 2025-11-12 16:13:42

蹲个后续，楼主记得更新呀，在线等挺急的～

aifeilisa 发表于 2025-11-12 16:40:19

这逻辑绝了，分析得太到位了吧

oyang 发表于 2025-11-12 17:11:13

说得对！狠狠赞同，没毛病～

zuojinlu 发表于 2025-11-14 11:41:55

来凑个热闹，为楼主增加点人气！

wx_asZZ25ju 发表于 2025-11-14 12:14:52

不请自来，只为说一句：太精彩了！

15547333755 发表于 2025-11-14 13:39:30

赞同 + 10086，没毛病，完全没毛病

17820190187 发表于 2025-11-14 14:04:53

理性围观，感觉大家说得都有道理

zzx 发表于 2025-11-14 14:55:29

占个楼慢慢看，先马克一下
楼主辛苦啦，期待下一篇分享

乔治他爸 发表于 2025-11-14 16:12:49

内容太顶了！疯狂点赞，已默默收藏～
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