|
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。- a, U* T$ b# d" z. h5 N
22.2 High temperature operation – The test of 22.1 is repeated at 0,9 times the rated& t# z4 `2 N P, [+ k% [6 r
operating voltage but at the maximum of the declared ambient temperature range. f* d+ L& K' ^
Normal lighting supply failure shall then be simulated and the battery shall operate the lamp* x4 _# w/ @* P. h+ j3 Z
from the controlgear for the rated duration of the operation. At the end of the rated duration,# [5 e- ]& y1 O2 B2 q9 a4 K' y
the measured battery voltage shall be at least Vmin as specified in Clause 20.
# @6 ] p# b1 HDuring the test, all parts, including batteries and lamps, shall be placed within the test
2 y8 O" D3 _. l( g$ @; k& Zcabinet. Where the ambient temperature rating limit of the test battery is different from that% s" m2 H- I7 j3 ~
declared for the controlgear, then the battery should be held separately at its own maximum& t6 s! d$ l4 G; D
declared temperature rating.- c u1 P: Z4 l
Compliance shall be checked by measurement.
6 ]7 e( |/ y! j7 S4 ]
$ w$ a3 j# O, l0 N$ C! r |
|