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本帖最后由 lxxcumt 于 2015-9-21 12:14 编辑
, ]6 S8 S' q( c) o0 O, E+ U% jbonjovi521 发表于 2015-9-21 10:26  1 Y; _3 \6 R8 ^, I
恩，永久安装的ME设备的保护地线发生断开的概率极低这个我明白了，但是为什么不是永久安装的ME设备正常状 ...
8.7.4.6 * Measurement of the TOUCH CURRENT3 ~ S7 u8 o$ w4 `9 T: I! ?
a) ME EQUIPMENT is tested according to Figure 14, using an appropriate measuring supply circuit.
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Measure with MD between earth and each part of the ENCLOSURE(S) that is not PROTECTIVELY EARTHED.
& }; c0 ]2 y4 t% s* Y- Y未保护接地的外壳和地之间6 F! O! j- O4 n
Measure with MD between parts of the ENCLOSURE(S) that are not PROTECTIVELY EARTHED.
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In the SINGLE FAULT CONDITION of interruption of any one PROTECTIVE EARTH CONDUCTOR (when applicable, see 8.1 b)), measure with MD between earth and any part of the ENCLOSURE(S) that is normally PROTECTIVELY EARTHED.断开PE情况下（SFC），测量正常条件下保护接地的外壳和地之间。即此时对地漏电流转化成了接触漏电流。
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发表于 2015-9-16 16:15
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