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

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PDSH 982 2 \# O) O& G' C$ \( Q

Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations

22.17.2 – 22.17.3 / 20 - |; {! G  u3 I: n; i: |

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

% Q4 h+ Q; e6 X$ U- k6 \" RStandard(s):
* R5 }7 o' n* N9 cIEC 61347-2-7/2006
' p' I/ _1 f  g' \& u5 {IEC 60598-2-22/1997 A1/2002 A2/2008
2 H/ V  k7 E/ d: e+ w* fSubclause(s): 20 22.17.2 – 22.17.3
/ u5 f' q! P" A. K$ j; sNo. Year PDSH 0982 2010
5 S$ k: m1 G: M; v& I. FCategory: LITE Developed by: ETF5 OSM/LUM
Subject:
Ballast Lumen Factor (BLF) and flux output measurement after 500 ON-OFF changeover operations
Key words:
( ^- b$ M; R  x4 ^9 O) t- Ballast Lumen Factor (BLF)
  ~. z4 D, O" r. Y- Flux measurement
( W( a: _: i/ R* C( v- Changeover operations
) K# k4 R4 M8 w( q) q& UTo 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
! p- u. C7 U  ]6 @, x8 I( Pto 0,6 times rated voltage and the luminaire shall provide the rated lumen output after 60s or respective
( d# F8 Q4 s( A5 Y+ {9 s, _: i& V5 rlamp 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
8 t% E5 y- r6 i6 N& _5 D: Cthe luminaire shall take into account the flux measurement after these 500 changeover operations. § 20 of
  p( H6 a0 m* q5 F* e$ nIEC 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
/ C3 S/ ~4 P' S5 hon-off’s changeover operations, exactly the same way as flux output for emergency luminaires specified
in 22.17 of IEC 60598-2-22?
( {1 B* e% S) {Decision:
3 \( d& I$ G# ^% T; UYes, for the time being. (The matter is under discussion in COMEX).
1 q# g: \6 F1 C/ r6 x
& i  ^& |7 E) K$ X6 f5 J) e
) N- P4 {7 X8 x( K. A