请问IEC61347－2－1中15&16条是什么意思？

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IEC60335试验指甲

15 &16 Protection of associated components & Abnormal operation
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The ballast shall not impair safety when operated under abnormal conditions at any voltage between 90 % and 110 % of the rated supply voltage.
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0 ^6 q( P2 X. s% j0 {' @Duration: 1h


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3 h, l- _/ @, k15.1 verified with dummy cathode resistors inserted and conditions of abnormal operation
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+ a$ F" G* ]# Z% j9 ]7 b( P15.2 conditions of abnormal operation, measured  from 5 s after the switch on or beginning of the starting process
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15.3 For a period longer than 30 s after switch-on, or beginning of the starting process. For ballasts which make more than one attempt to start a failed lamp, the combined duration of voltages above the maximum working voltage for which the ballast is declared shall not exceed 30 s.
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& I! s7 _8 H3 c3 @; M8 E9 Wc) the lamp does not start although the cathode circuits are intact (de-activated lamp);