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楼主: luojing

[照明部件] 请帮忙看什么意思?

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 楼主| 发表于 2007-8-29 14:33 | 显示全部楼层
广东安规检测
有限公司提供:
是段落的问题
 楼主| 发表于 2007-8-29 14:36 | 显示全部楼层
NOTE Other methods may apply for determining EBLF in particular methods which record permanently the luminous flux of the lamp associated to the ballast under test
发表于 2007-8-29 15:24 | 显示全部楼层
我将有关文字复制在此:
& }' K6 v5 k/ F20 Functional safety (EBLF)
; u4 O  I- m3 l+ W* wThe appropriate lamp associated to the ballast shall provide the necessary light output after
, Y7 p$ u9 B/ P3 y6 t2 x0 Ochange over to the emergency mode. This is verified if the declared Emergency ballast lumen8 S5 b; m7 T) O, z
factor (EBLF) is achieved during emergency operation at 25 °C.
5 _  t) c% b: i9 j1 zCompliance is checked by the following test:+ }; {5 M& H0 H# X
a) ballast provided with batteries:
# a8 g6 n' H; p: R, v6 iThe voltage supplied to the ballast by the batteries is continuously measured during# q4 f2 N7 ^# N+ v4 H3 s' U
emergency operation after a 24 h charge at 0,9 times the minimum a.c. operating voltage. The
8 ^4 M; v; Y! [+ q' S& B1 kvalues measured at 60 s (V1) and the lowest voltage (Vmin) measured between 60 s after
& Y4 ]4 {$ D) s6 u! Sfailure of the normal supply and the end of rated duration of operation are retained for the6 w; b0 i5 P! O1 U9 q, w: F
EBLF measurement.
# B' e' E: k6 zb) ballast not provided with batteries and designed for d.c. central supply system:% @7 t: A# N$ ?1 U+ W" _: T$ Z
The rated (V1) and the minimum (Vmin) voltages as declared by the ballast manufacturer are
+ v* f6 f! g0 e9 \% J* tretained for the EBLF measurement. In this case the Vmin value is taken to be 0,85 times the0 y$ X0 D4 |- v1 k: P& N* U; V
rated voltage (V1) unless specifically advised of a different value by the control gear
8 B8 a, f! I3 _manufacturer.
+ }* X& p, v7 Q! ?7 R" B  aNOTE The value of 0,85 times rated voltage is selected to provide consistency with IEC 60598-2-22:1997, Clause
1 v6 G1 [# [/ `4 {- Q7 i: {22.16.1$ ~+ i) b3 r" v& T% Q6 ]
Measurement of EBLF shall be made at 25 °C, using a lamp of the appropriate type and
9 k$ c- O0 {3 u6 v% thaving not been lit for 24 , first at V1 after 5 s and 60 s of the application of the d.c. voltage,  p% d# V7 @7 W( i
then in steady conditions at Vmin.% Y/ U8 Z' v+ M+ |: E/ k) z
The lowest value of the values measured at 60 s and V1 or in steady conditions at Vmin shall; C+ x! c' |# x, j
be retained and shall reach at least the declared EBLF.2 ]6 y7 V' p& O6 F
The value measured at 5 s and V1 shall reach at least 50 % of declared EBLF.
  a2 l6 R0 D0 k% }6 W( A6 N  LNOTE Replace 60 s by 0,5 s for ballasts declared for use in luminaires for high-risk task area lighting.
9 s% J- r5 d: H; A0 }3 a7 HAs declared EBLF must be reached after 0,5 s, measurements at 5 s are not considered.
7 t1 p' U$ L7 u# a2 r" |Any test circuit corresponding to that of Figure 1 can be used to make the measurement of EBLF. The luminous flux of a lamp is usually measured with an integrating photometer. For ratio measurements of luminous fluxes, a suitable illuminance meter is sufficient as there is a close relationship between luminous flux and illumination at a fixed point.
# M8 T, I4 R. U7 {0 v: }, L1 hNOTE Other methods may apply for determining EBLF in particular methods which record permanently the luminous flux of the lamp associated to the ballast under test./ I$ t$ H. g  Q* j% `: h
: c- S4 @1 _  l/ P8 `6 h9 ]: P# r- m
F译得不错。3 ~! D/ \$ |: r. v
但是否注意到红字表示的地方,是否有对应关系?前面红字及相关部分如何译好?
发表于 2007-8-29 16:20 | 显示全部楼层
标准的原话,找个国标的看一下,对照一下最好了.
发表于 2007-8-29 16:27 | 显示全部楼层
引用第13楼djfu于2007-08-29 16:20发表的  :
: m2 c1 z! a' Y8 v/ t+ {: y标准的原话,找个国标的看一下,对照一下最好了.
4 ^2 E# r  s4 E/ C
这好象是IEC61347-2-7 2006新增的内容,对应的国标还没有。
发表于 2007-8-29 16:32 | 显示全部楼层
引用第14楼caballo3157于2007-08-29 16:27发表的  :
: v( M& |7 e6 x
4 w! |% G# S/ @, Y3 r
. n/ y+ \/ w1 C$ |这好象是IEC61347-2-7 2006新增的内容,对应的国标还没有。
噢!这样子呀!那只有翻译了.
 楼主| 发表于 2007-8-30 08:27 | 显示全部楼层
是啊 0 }7 q5 \4 x5 h$ p. l
我手上都有一本
发表于 2007-8-30 09:00 | 显示全部楼层
有问题可到“认证英语”版块学习一下啦!
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