PDSH 982 Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF

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PDSH 982 % Q5 U$ i& @+ F* z" s8 o* o1 P

Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations , R1 H9 d  v& f- ^0 n* C: n2 H

22.17.2 – 22.17.3 / 20 # b. o' t: n* Z" i* D

60598-2-22(ed.3);am1;am2 & 61347-2-7(ed.2) / n: f6 p) l4 Z( d3 C

Standard(s):
IEC 61347-2-7/2006
' e" A! v  Z. e. K2 s4 t+ cIEC 60598-2-22/1997 A1/2002 A2/2008
Subclause(s): 20 22.17.2 – 22.17.3
No. Year PDSH 0982 2010
Category: LITE Developed by: ETF5 OSM/LUM
8 q* ^! |$ ~9 x+ f3 ^: {Subject:
Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations
4 P) {( r( O6 v4 n, h$ q2 XKey words:
- Ballast Lumen Factor (BLF)
5 j5 W4 f' j; t2 Y. i, z5 u( X* \- Flux measurement
- Changeover operations
To be approved at the 49th CTL Plenary Meeting, in 2012
- Z. @3 B: Z% p! c( _Question:
§ 22.17.2 of IEC 60598-2-22 states – “after these cycles (500 on-off’s) the supply shall again be reduced
2 f% z6 B3 o- w. @% ~+ F- Dto 0,6 times rated voltage and the luminaire shall provide the rated lumen output after 60s or respective
2 v* g$ a, X$ \+ ^+ k+ J! l9 b; C  K- blamp current after 0,5s for high-risk task area lighting luminaires”. Further, § 22.17.3 states – “after the
final lumen output measurement in accordance with § 22.17.2…”. It is fairly evident that the rated flux of
7 W; u0 N. B7 @0 tthe luminaire shall take into account the flux measurement after these 500 changeover operations. § 20 of
* _" s; K, J# |' C: qIEC 61347-2-7 states – “the changeover from normal supply to emergency mode and back shall be in
accordance with 22.17 of IEC 60598-2-22”. Does this mean that BLF should be measured after the 500
on-off’s changeover operations, exactly the same way as flux output for emergency luminaires specified
in 22.17 of IEC 60598-2-22?
- @% F' P; r5 g0 w9 v4 s4 ZDecision:
Yes, for the time being. (The matter is under discussion in COMEX).
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