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标准原文:
; d1 ]$ U, i$ Q6 J s! E' p$ U' b8.2.7 Luminaires (other than those mentioned below) incorporating a capacitor of capacitance- q2 Z4 z9 ]9 R8 Z" ]
exceeding 0,5 μF shall be provided with a discharge device so that the voltage across the
: E6 a; t- R$ I/ P+ R* {! v/ Rcapacitor 1 min after disconnection of the luminaire from the source of supply at rated voltage' [) e; @4 ^" e% f
does not exceed 50 V.4 {& \/ L: ]3 Y$ _3 z
Portable luminaires designed to be connected to the supply by means of a plug, track adaptor
# j9 j9 B5 O: K% P0 q* E8 s! Hconnected luminaires, or luminaires with supply connector with contacts accessible with the' m7 J, a; r* G: ^( r6 b6 Y
standard test finger and incorporating a capacitor of capacitance exceeding 0,1 μF (or 0,25 μF, u& U j& t$ F$ J: V9 ~6 o
for luminaires with a rated voltage less than 150 V) shall be provided with a discharge device
/ D+ j5 C7 a$ h! gso that 1 s after disconnection, the voltage between the pins of the plug or adaptor/connector" w; w/ L! G4 E; e. l
contacts does not exceed 34 V.) i! F9 r; _0 c7 y
Other luminaires connected to the supply by means of a plug and incorporating a capacitor5 L+ o5 }' R! E6 p2 E
exceeding 0,1 μF (or 0,25 μF for luminaires of rated voltage less than 150 V) and track
8 ]) K# D/ ~7 H. ^9 R" ~adaptors mounted in luminaires shall discharge so that after 5 s, the voltage between the pins
7 T7 H& w% v S9 D1 z3 I0 ?! g- gof the plug does not exceed 60 V r.m.s. C& K% o3 E5 l: ~3 ~
NOTE The discharge device (for all types of luminaire) may be incorporated on or within the capacitor or mounted separately within the luminaire. Y2 b8 U% Q3 c& B1 _8 s4 k7 X
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?: S) a% J J8 I; m( r I) 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?4 D, Y8 ?6 ~" f( ~
3、限值50V,34V 是r.m.s, 还是peak?7 k/ ~$ b, V( X, _6 ]
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?
8 ~4 J' ~ V" x! ~) W+ F9 k, o5、“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?6 G( y1 x6 x/ F. G6 t
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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