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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。
5 } j! S1 ~; S22.2 High temperature operation – The test of 22.1 is repeated at 0,9 times the rated
& z- [ r3 E e o+ c& Ioperating voltage but at the maximum of the declared ambient temperature range. X' B7 I" |3 y l$ p
Normal lighting supply failure shall then be simulated and the battery shall operate the lamp ?8 m: u% y* \& V/ P
from the controlgear for the rated duration of the operation. At the end of the rated duration,; Y6 [; b3 u% }. h. h
the measured battery voltage shall be at least Vmin as specified in Clause 20.
# l" P1 g3 Z) h IDuring the test, all parts, including batteries and lamps, shall be placed within the test
) ~" I+ y4 f$ K& C+ t7 Kcabinet. Where the ambient temperature rating limit of the test battery is different from that
: c; E9 h" U) D8 B) J2 x8 rdeclared for the controlgear, then the battery should be held separately at its own maximum! |( J+ V3 C/ I/ Z) e: i4 n; M
declared temperature rating.; ~$ }; n* m1 T( l; o6 y
Compliance shall be checked by measurement.! J/ ~- s- W0 b) x$ E
* S' t9 z$ z0 a- S/ K$ ]) c |
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