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标准原文:
+ t$ ?+ _0 I, w1 R$ ~& ?8.2.7 Luminaires (other than those mentioned below) incorporating a capacitor of capacitance
% [2 o3 ]1 {. H* i R+ e" l" eexceeding 0,5 μF shall be provided with a discharge device so that the voltage across the- |& H9 U# Y' ^1 R" m) Z# j
capacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage$ q% z9 w1 A- S2 C( F
does not exceed 50 V.4 }) a/ h7 k4 ~6 Q2 k3 {
Portable luminaires designed to be connected to the supply by means of a plug, track adaptor! S2 y) e( g5 a( r$ Q" H2 q# [7 O
connected luminaires, or luminaires with supply connector with contacts accessible with the
" b1 w$ U- g3 a' kstandard test finger and incorporating a capacitor of capacitance exceeding 0,1 μF (or 0,25 μF$ A/ o, g7 o3 K
for luminaires with a rated voltage less than 150 V) shall be provided with a discharge device# R+ }1 U5 v* d4 J
so that 1 s after disconnection, the voltage between the pins of the plug or adaptor/connector
+ O F' q/ s# k y: r8 gcontacts does not exceed 34 V.; F$ }. Y$ n1 L$ O& D
Other luminaires connected to the supply by means of a plug and incorporating a capacitor
$ F# c) @4 i) _9 a$ Pexceeding 0,1 μF (or 0,25 μF for luminaires of rated voltage less than 150 V) and track
! c$ m4 q! p1 |" v2 y+ |& @adaptors mounted in luminaires shall discharge so that after 5 s, the voltage between the pins
. V% _6 G7 l5 k; `$ w/ Hof the plug does not exceed 60 V r.m.s.
8 A7 ~* |7 }- ^, L7 Q1 a1 f" WNOTE The discharge device (for all types of luminaire) may be incorporated on or within the capacitor or mounted separately within the luminaire.0 E1 i8 ^/ f# f& Q( O
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 ~1 `! [" v5 ^4 n+ d
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?
2 R1 y* X% K$ D; I. v3、限值50V,34V 是r.m.s, 还是peak?
6 {1 t3 I0 r; G; u9 Y4、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?! ?1 r' p, ^* N* X" i& M! Y) j+ t
5、“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?9 [3 N2 U: l5 A7 P' J% K, u
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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