线上开关

  • 网络On-line switch
线上开关线上开关
  1. 正确设置TN系统中性线上的开关

    Correctly Setting the Switch on Neutral Line of TN System

  2. LO测量线上的开关总是和HI测量线上的开关处于相同状态(开路或闭合)。

    The switch in the LO lead is always in the same state ( open or closed ) as the HI lead .

  3. 生产线上的开关故障诊断系统

    Switch Trouble Diagnostic System in a Production Line