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

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PDSH 982 4 c7 n  X7 s5 N' l: c   F) u4 m: f9 [7 j+ G' Y/ S

Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations 9 m+ c2 T& m% \4 u6 p. y) N

22.17.2 – 22.17.3 / 20 * \' J" J" y2 L

60598-2-22(ed.3);am1;am2 & 61347-2-7(ed.2)

: a& V6 c/ u& \9 J* o5 WStandard(s):
5 y6 j- D" f3 {6 G9 |2 I* D2 s1 B( oIEC 61347-2-7/2006
IEC 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
Subject:
1 E! n! F; ~7 P9 {: s4 qBallast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations
Key words:
- Ballast Lumen Factor (BLF)
- Flux measurement
- Changeover operations
To be approved at the 49th CTL Plenary Meeting, in 2012
Question:
§ 22.17.2 of IEC 60598-2-22 states – “after these cycles (500 on-off’s) the supply shall again be reduced
% z7 t$ N. k' V' \2 {5 Hto 0,6 times rated voltage and the luminaire shall provide the rated lumen output after 60s or respective
lamp current after 0,5s for high-risk task area lighting luminaires”. Further, § 22.17.3 states – “after the
2 @) C) P2 }8 V- [  \" M: D) sfinal lumen output measurement in accordance with § 22.17.2…”. It is fairly evident that the rated flux of
' e1 M6 F5 Q$ s# @: k# Y' `the luminaire shall take into account the flux measurement after these 500 changeover operations. § 20 of
/ `0 U' ?! r0 B  ~) YIEC 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
; i; t: s7 f; ?7 l2 A. d% p, }1 K( c5 s2 Son-off’s changeover operations, exactly the same way as flux output for emergency luminaires specified
4 g* H4 ]3 }' f" Hin 22.17 of IEC 60598-2-22?
Decision:
0 c" g* Z( Q; [4 N8 {Yes, for the time being. (The matter is under discussion in COMEX).
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