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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/ ~3 t9 J& e k# s) J
5 r+ T ~5 I, F; Z* ~9 xc) As an alternative to b) above, the tests are based on the time-current characteristic of the: ^, g1 `: ^, W% O6 y" t
overcurrent protective device that limits the fault current in the PROTECTIVE BONDING% _$ Y# {2 H/ X6 Q1 K; t" Y
CONDUCTOR. This device is either one provided in the EUT or specified in the installation) S; P9 G: D+ y D Q
instructions to be provided external to the equipment. The tests are conducted at 200 % of
, n/ Y4 Z+ D& C& d/ }$ Athe PROTECTIVE CURRENT RATING, for the duration corresponding to 200 % on the timecurrent% x1 [3 F5 }( F! V$ P
characteristic. If the duration for 200 % is not given, the nearest point on the timecurrent, t2 ` a4 W0 U" m [
characteristic is used. |
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