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标准原文:
6 p% Q/ `! j* K& |& W- f8.2.7 Luminaires (other than those mentioned below) incorporating a capacitor of capacitance
. o' L3 j. v6 x: S4 Rexceeding 0,5 μF shall be provided with a discharge device so that the voltage across the# k% x! u5 `3 ?1 \1 c
capacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage5 D9 p$ |: I) |7 \+ ]& k: x1 w
does not exceed 50 V.
! j0 N5 T& G) { L; L- uPortable luminaires designed to be connected to the supply by means of a plug, track adaptor$ |+ ] Q& B) l5 Z" W, y
connected luminaires, or luminaires with supply connector with contacts accessible with the
$ z. a; a! |2 wstandard test finger and incorporating a capacitor of capacitance exceeding 0,1 μF (or 0,25 μF5 R; f2 b, u$ P2 W; b
for luminaires with a rated voltage less than 150 V) shall be provided with a discharge device9 V; D, h4 j' l! r/ U0 C/ ~* q
so that 1 s after disconnection, the voltage between the pins of the plug or adaptor/connector* x" C* ^5 G5 E) j# r" m
contacts does not exceed 34 V.4 E9 J3 f' j7 A9 U. M$ l5 v
Other luminaires connected to the supply by means of a plug and incorporating a capacitor
3 J$ L" X- P3 Z5 w8 f# l. bexceeding 0,1 μF (or 0,25 μF for luminaires of rated voltage less than 150 V) and track
$ v3 j1 X' W. ^1 c# W1 Radaptors mounted in luminaires shall discharge so that after 5 s, the voltage between the pins
2 |) _" D% I q- y/ h. Eof the plug does not exceed 60 V r.m.s.; W- \, a/ `* p. W$ W2 D" J
NOTE The discharge device (for all types of luminaire) may be incorporated on or within the capacitor or mounted separately within the luminaire.
% b( O) H1 }0 f/ X2 t问题:1、放电装置除了放电电阻外,还有什么?有集放电装置于一体的电容吗?6 N, v: i: c! X- R: K
2、仅考虑初级线路跨接在L,N之间的X2电容吗? 还是任何形式的电容?是一个电容容值,还是整个线路的电容值?
+ h- R/ O7 @7 r1 b3、限值50V,34V 是r.m.s, 还是peak?' t0 {3 y7 b8 I$ Q! K* Z k+ w7 x+ b! V
4、电容放电测试的条件是什么?通入额定电压,额定频率? 还是要电压拉偏至1.1U?
6 h8 K* p4 O: r. J. D F/ e& G$ G5、“the voltage across the capacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage does not exceed 50 V” 没有插头,直接测试电容两端?3 o' p5 l6 Q. [! {, i3 v n' g
不是学电子的,提的问题比较幼稚,各位不要笑话,请帮忙解答。 |
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