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标准原文:
1 o) W5 P! N& X# E1 b( M h/ p4 X8.2.7 Luminaires (other than those mentioned below) incorporating a capacitor of capacitance
1 r% X+ S5 ?8 @ x3 h( wexceeding 0,5 μF shall be provided with a discharge device so that the voltage across the/ r1 ^" g- \! s5 o7 w- C$ k
capacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage% R/ T# `; `2 T" a6 Q
does not exceed 50 V.
3 }2 O. m. W8 f9 {: VPortable luminaires designed to be connected to the supply by means of a plug, track adaptor
g* M$ E% B/ B- `. {/ jconnected luminaires, or luminaires with supply connector with contacts accessible with the2 {& P7 b& g( I0 S$ V* A
standard test finger and incorporating a capacitor of capacitance exceeding 0,1 μF (or 0,25 μF# ^ _5 z) S- g- h
for luminaires with a rated voltage less than 150 V) shall be provided with a discharge device
( Z% X q, t" ~& _ m) b! dso that 1 s after disconnection, the voltage between the pins of the plug or adaptor/connector
+ l+ e, Y$ I+ r6 b) zcontacts does not exceed 34 V.# J4 b5 D) D6 h" w5 g, r
Other luminaires connected to the supply by means of a plug and incorporating a capacitor/ {; e' A$ C7 d4 {2 c: E
exceeding 0,1 μF (or 0,25 μF for luminaires of rated voltage less than 150 V) and track
# u1 [. e- H; C6 Y& F( ^adaptors mounted in luminaires shall discharge so that after 5 s, the voltage between the pins
+ h1 |6 ?& y* _5 g4 X2 qof the plug does not exceed 60 V r.m.s.
2 E$ `/ | x; Y, uNOTE The discharge device (for all types of luminaire) may be incorporated on or within the capacitor or mounted separately within the luminaire.
& k- ~1 w# ~/ a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?
( e z3 C; A, a7 c& X2、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?& e1 M5 ~# T9 S8 D* K4 n7 _' V& f
3、限值50V,34V 是r.m.s, 还是peak?
3 g0 r$ F4 q" g* b: e4、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?
& X: }$ X1 `* V7 N# R$ o" H9 T+ G+ T5、“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?4 n8 r+ h( A5 I- X
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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