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| PDSH 977
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| Batteries characteristics
6 P/ J; D+ r/ s7 [8 z | 22.6.8 – Annex A2 q! s& D+ r, r) G, Y
| 60598-2-22(ed.3);am1;am22 i+ B1 Q5 E( `# l
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8 W2 ^! r) p7 g5 s4 W1 X! l! BStandard(s):
& v9 F3 _6 q) J% lIEC 60598-2-22/1997 A1/2002 A2/2008) V; Z) Y5 I: c& g, p+ v
Subclause(s): 22.6.8 – Annex A0 ~- r: ]8 X4 W: o3 j2 S& K
No. Year PDSH 0977 2010, q/ U" G4 q4 B, r. ~/ x
Category: LITE Developed by: ETF5 OSM/LUM
3 t5 g2 [* ?3 V3 h3 e- KSubject:- z0 b: L5 V) X
Batteries characteristics
# U, i2 v% E! ? Z+ R, D6 HKey words:
7 e V$ [) ^! f' P" A% \- Manufacturer e- B9 B) V/ C
- Ni-Mh batteries
) k/ \4 F! t. g2 C1 ?6 ~9 y' u- Life time/temperature! l q1 |/ E1 J$ A8 s. I# I8 P
To be approved at the 49th CTL Plenary Meeting, in 2012
2 i+ Z& z5 l1 S, E, gQuestion:* B1 |9 ]9 N& I3 n: u5 \
The standard requires that batteries incorporated in emergency luminaires shall be of sealed nickel
5 v- A$ [' [" @0 z- v; c2 S6 M7 gcadmium, valve regulated lead acid or other types conforming to the relevant safety and performance
) Y8 {! N0 j0 j: qstandard for the battery type and all relevant requirements of IEC 60598-2-22. Annex A, sub clauses A4& m0 I- r7 K1 m! s) u
and A5 prescribe for Ni Cd and lead acid batteries, the limits within which the battery in the luminaire1 i7 T2 x! S. \; s6 J. {* c j
shall operate. How can it be checked that e.g. Ni-Mh (Nickel-Metalhydrid) batteries guarantee at least& O6 Y: }4 X* b' W/ y+ x; _
four years of normal operation?
# H* I6 U( [7 v$ l$ @Decision:
+ t O0 J" B' ^% }The life time/temperature curve of Ni-Mh batteries, provided by the manufacturer, shall be used.# n0 \8 D6 O" T
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