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请教61347-2-7 的22.2 的高温测试，这里的高温是指应急驱动模块的最高ta 吗？谢谢。) G. H1 H/ I* o4 U: j2 Z2 }! U
22.2 High temperature operation – The test of 22.1 is repeated at 0,9 times the rated6 m0 v# E* Q' M* ^ h% x
operating voltage but at the maximum of the declared ambient temperature range.) J9 ^# q' [8 ]0 X3 Z
Normal lighting supply failure shall then be simulated and the battery shall operate the lamp
8 x5 ]0 w7 M) A, f4 \from the controlgear for the rated duration of the operation. At the end of the rated duration,8 j5 C) b# c$ B* n- i, n9 ~5 Q! z( q: L
the measured battery voltage shall be at least Vmin as specified in Clause 20.
% p7 u& q; F8 d, h+ h! N! UDuring the test, all parts, including batteries and lamps, shall be placed within the test
7 d/ g$ j' q7 v5 s. w3 ?cabinet. Where the ambient temperature rating limit of the test battery is different from that U* Q0 p( j c! e. ?+ M6 H7 C9 Y
declared for the controlgear, then the battery should be held separately at its own maximum7 h% X- f) F7 l4 t
declared temperature rating.
) o" K3 }2 X) a: J% f9 ^. s, P7 OCompliance shall be checked by measurement.) E1 N. ^2 G& n) W7 T& b+ X
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发表于 2020-8-4 17:04
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