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60950中2.6.3.4中的这段话怎么翻译比较准确?看4943中的翻译,好像不太好理解.请高手赐教
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c) As an alternative to b) above, the tests are based on the time-current characteristic of the8 U* N8 w7 U7 Q4 @
overcurrent protective device that limits the fault current in the PROTECTIVE BONDING& m( B4 V1 ^% m* |
CONDUCTOR. This device is either one provided in the EUT or specified in the installation
+ ?$ N) r. b# R# Z6 M" H0 Pinstructions to be provided external to the equipment. The tests are conducted at 200 % of
$ h, c" ?6 f* w, K) Ithe PROTECTIVE CURRENT RATING, for the duration corresponding to 200 % on the timecurrent
( ^; e* ~/ v: K+ E( [! hcharacteristic. If the duration for 200 % is not given, the nearest point on the timecurrent
8 J1 z z3 h; t" W. X% E9 F9 xcharacteristic is used. |
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