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标准原文:
0 J! ?# e- r& Z6 C8.2.7 Luminaires (other than those mentioned below) incorporating a capacitor of capacitance
3 `- @2 g0 h1 @& }6 vexceeding 0,5 μF shall be provided with a discharge device so that the voltage across the, N2 F: P q! ~+ Z: S
capacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage
% m2 i) Z1 t8 P$ E* `4 O7 _3 ndoes not exceed 50 V.
" ~2 A( E% O; {0 f( g* ] FPortable luminaires designed to be connected to the supply by means of a plug, track adaptor& T1 {) a$ c2 u2 g
connected luminaires, or luminaires with supply connector with contacts accessible with the" D9 B$ k0 a8 P6 r# I, C9 _- t/ y
standard test finger and incorporating a capacitor of capacitance exceeding 0,1 μF (or 0,25 μF) v0 e& K$ |$ s9 X' c% l
for luminaires with a rated voltage less than 150 V) shall be provided with a discharge device
4 ~: D4 _5 n' Q Q7 E& O6 kso that 1 s after disconnection, the voltage between the pins of the plug or adaptor/connector" P; s9 Y6 M4 f. }" S) Y+ I
contacts does not exceed 34 V.
& y* _+ R( z$ @/ e! eOther luminaires connected to the supply by means of a plug and incorporating a capacitor U+ f7 i: A; v8 M% i1 S
exceeding 0,1 μF (or 0,25 μF for luminaires of rated voltage less than 150 V) and track( M) B9 B# f4 n, T1 e4 j8 N
adaptors mounted in luminaires shall discharge so that after 5 s, the voltage between the pins
4 P( l2 i* V0 w2 g6 Fof the plug does not exceed 60 V r.m.s.
( _# e" z3 }9 |$ h) q, k7 ANOTE The discharge device (for all types of luminaire) may be incorporated on or within the capacitor or mounted separately within the luminaire.
! ~; O* u3 F& M; u; r, _* ?1 D P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?
$ g: R: Z; d. h. `. ]+ T2 i4 X0 C0 Y2、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?
) g# C3 I% L& P, b7 Y9 u! E) E% ^3、限值50V,34V 是r.m.s, 还是peak?
8 n% D3 n( ~9 s+ B- x4、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?0 T' p2 ~8 f# s" i1 R8 x
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?
. z+ R% Q; z, Q* q- ~/ c; L+ _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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