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

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PDSH 982 ) C1 |! _- H/ z9 d- T5 L

Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations : f& N2 |' C  b  i( K

22.17.2 – 22.17.3 / 20

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

! F$ V4 i8 w1 |0 ZStandard(s):
IEC 61347-2-7/2006
' G# v0 r# R; \/ VIEC 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
: v. |* M3 E4 nSubject:
& c) y& c* T7 ?9 W/ e  RBallast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations
; V5 I3 Q8 v9 d* V$ bKey words:
- Ballast Lumen Factor (BLF)
- Flux measurement
# F- h/ h3 S( p% S" D- [- Changeover operations
( O7 V9 `/ t+ K/ i' a( y8 nTo be approved at the 49th CTL Plenary Meeting, in 2012
2 ]1 T/ {% o: e' x! Y8 ~3 `- [! I' eQuestion:
8 m( i5 J+ ~0 j2 `9 \0 i* O) y/ k% Q& J§ 22.17.2 of IEC 60598-2-22 states – “after these cycles (500 on-off’s) the supply shall again be reduced
to 0,6 times rated voltage and the luminaire shall provide the rated lumen output after 60s or respective
: L. Q+ _, {* G/ dlamp current after 0,5s for high-risk task area lighting luminaires”. Further, § 22.17.3 states – “after the
3 ~9 }  r5 S) vfinal lumen output measurement in accordance with § 22.17.2…”. It is fairly evident that the rated flux of
the luminaire shall take into account the flux measurement after these 500 changeover operations. § 20 of
IEC 61347-2-7 states – “the changeover from normal supply to emergency mode and back shall be in
2 c7 h* T  J$ d/ Q$ H5 i1 }accordance with 22.17 of IEC 60598-2-22”. Does this mean that BLF should be measured after the 500
" @: g2 D) W$ j: S* @( Son-off’s changeover operations, exactly the same way as flux output for emergency luminaires specified
& I% L0 _( L0 N, X/ E+ W- V  Sin 22.17 of IEC 60598-2-22?
: a8 ?2 D% {  c) ADecision:
: Y$ k  v* h5 g' d0 K7 cYes, for the time being. (The matter is under discussion in COMEX).
: G- q3 ?+ K) `8 }2 G. l, e- {4 \
+ f5 k/ z) [3 h: F7 U" F