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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。7 B& }& q+ p% ^' Y: H0 `- f# d
22.2 High temperature operation – The test of 22.1 is repeated at 0,9 times the rated3 t6 z6 W( h6 I. O$ e- ~( z
operating voltage but at the maximum of the declared ambient temperature range.7 e4 J+ ^4 L; z2 I; v$ Q' R* V
Normal lighting supply failure shall then be simulated and the battery shall operate the lamp+ x8 ~( P [& \( F+ e% `+ J( G: Q
from the controlgear for the rated duration of the operation. At the end of the rated duration,) d9 U1 N4 v' L& U( I. }0 `1 z
the measured battery voltage shall be at least Vmin as specified in Clause 20.
$ q% p0 D4 b& S0 l, @8 vDuring the test, all parts, including batteries and lamps, shall be placed within the test
1 d5 H5 J. t. S1 r3 c$ l6 Kcabinet. Where the ambient temperature rating limit of the test battery is different from that& `& L7 _6 Z% i. o6 N' x) M
declared for the controlgear, then the battery should be held separately at its own maximum
& ?/ y5 r f# T$ m) {$ F& adeclared temperature rating.# D2 v. i! b) g% Z" x' V; U; X
Compliance shall be checked by measurement.
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发表于 2020-8-4 17:04
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