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EN60968里是没有说的,参考EN61347-2-3的条款, 见下方.! ^$ n7 G e8 l& A
16 Abnormal conditions9 D% |* x& l% [: ]
For the test simulating operation with a de-activated lamp, a resistor is connected in place of
7 i/ P& ~* Y: d) W6 m! Deach lamp cathode. The resistor value is derived from the value of the nominal running! j# d" ~8 b. C
current of the lamp prescribed in the relevant lamp data sheet of IEC 60081 and IEC 60901' t7 v5 F3 L: Z, \4 t
and substituted in the following equation:
, {# C: V+ J& {R=11.0/(2.1*In)! L( @. @* o2 O: t z
where In is the rated lamp current of the lamp.
" l6 Q5 Y4 w5 R0 q' P# v* @1 eFor lamps not covered by IEC 60081 and IEC 60901, the values declared by the lamp
& h+ ]' J9 m! t- P' S1 _0 Dmanufacturer shall be used. |
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发表于 2008-1-18 16:02
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