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The resistor value to be used shall be derived from the value of the nominal running current of+ V# q/ _. T* @" x9 V! L% U% Z
the lamp prescribed in the relevant lamp data sheet of IEC 60081 and IEC 60901 and
, ^% p2 a* P7 M- h0 tsubstituted in the following equation:+ S+ r0 ^. h) t
0 G2 u5 ]4 i" p
3 \. H1 d/ f: y. V2 @& C5 M
R=11,0/(2,1× In)Ω5 ^+ _0 }: \, S* u' F# M0 u% f$ k
8 b1 Y. U5 W' A6 X! h3 vwhere "ln" is the nominal running current of the lamp.( b; E- ]3 h3 s/ f8 g' H
& o& n( B, g! O0 WFor lamps not covered by IEC 60081 and IEC 60901, the values declared by the lamp
" L7 D o7 S, v6 B' xmanufacturer shall be used. |
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