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？

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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。
22.2 High temperature operation – The test of 22.1 is repeated at 0,9 times the rated
operating voltage but at the maximum of the declared ambient temperature range.
5 r6 o4 J6 v& H; ]Normal lighting supply failure shall then be simulated and the battery shall operate the lamp
) r5 y. v' z8 ^& n1 S; V+ bfrom the controlgear for the rated duration of the operation. At the end of the rated duration,
4 ?$ ~4 g! X5 Z3 a! F6 I) }the measured battery voltage shall be at least Vmin as specified in Clause 20.
5 z% J& @7 q* WDuring the test, all parts, including batteries and lamps, shall be placed within the test
cabinet. Where the ambient temperature rating limit of the test battery is different from that
1 s% K3 N$ n" ^declared for the controlgear, then the battery should be held separately at its own maximum
4 w0 ?$ c% a+ b, Jdeclared temperature rating.
" G# S  C7 E" ACompliance shall be checked by measurement.