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10 在使用ＦＩ保护装置时如何查找故障源如果在设计电气安装工程时,有意识地将回路分布在若干个ＦＩ保护装置上,并按规定进行调试,则在今后正式运行时,一般不会发生问题。一旦在供电线路中ＦＩ保护装置发生脱扣时,首先应按如图10所示的步骤查找故障的位置。此时,应通过查看和
10 How to find the source of a fault when using a FI-Protector If the circuit is intentionally distributed over several FI-Protector devices during the design of the electrical installation, and regulated as required, problems do not normally occur during official operation in the future . Once the FI protection device in the power line trip occurs, the first step should be shown in Figure 10 to find the location of the fault. At this point, you should view and