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

4 H  ]8 }# g! S, R6 VThe ballast shall not impair safety when operated under abnormal conditions at any voltage between 90 % and 110 % of the rated supply voltage.
% j  s) w6 ]% z' s: P% u. J5 _1 |
3 M! U1 d1 n( {, n9 bDuration: 1h


$ D; D: s2 T" R  C+ g+ E3 i4 I

& }( C7 I# S' E8 O
2 J2 R6 d3 @% R2 B' D+ r) q  s15.1 verified with dummy cathode resistors inserted and conditions of abnormal operation

15.2 conditions of abnormal operation, measured  from 5 s after the switch on or beginning of the starting process
1 l4 ^9 g, z0 N; \, h: A* [
. ]6 e8 E' E$ ^5 b15.3 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.

   
6 |8 u, N; J$ j! y" i
2 x, |8 f& D# mc) the lamp does not start although the cathode circuits are intact (de-activated lamp);