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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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+ d3 w2 y/ ^& P/ C7 g! Qc) As an alternative to b) above, the tests are based on the time-current characteristic of the# f2 {! a5 c( c+ c
overcurrent protective device that limits the fault current in the PROTECTIVE BONDING
) W! Q% V: O# o7 i- xCONDUCTOR. This device is either one provided in the EUT or specified in the installation+ }4 G3 T+ K6 D5 c( k# `
instructions to be provided external to the equipment. The tests are conducted at 200 % of" z. v. s' T8 k `
the PROTECTIVE CURRENT RATING, for the duration corresponding to 200 % on the timecurrent/ ~- M8 f. }* ]( Y
characteristic. If the duration for 200 % is not given, the nearest point on the timecurrent! o& F9 ], c3 ]* @
characteristic is used. |
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