|
|
燈具 跨LN之間CX電容兩端, 斷電的時候,法規有規定多少秒要消掉? ( 洩放電組多久時間降多少? ) " W' t5 a3 [7 h# }
( k- m( m U3 E: c. j
1598及153有放電要求，都是1分鐘!0 w9 ^, t6 G0 x. f' C
固定燈具 UL 1598 – 6.8:
! @) j! o! g8 ]; GThe voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50
- H; c8 \8 v. `* n* C6 ~ m' aV or less, and the energy stored shall be less than 20 J, as determined by the equation:
! ^2 |; i; q- b; N3 rJ=5x10-7 cv2
O0 U/ [3 ?# B9 @. d
' q7 G! O6 @+ H7 Z移動燈具UL 153 - 67.3:6 J3 O2 C$ N5 x$ E
67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate0 f8 O* Y0 P9 @
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after
+ v/ f" K. t# C% |; t: x2 D- _9 `removal of the lamp from the circuit or after opening of the primary circuit, or both. The voltage (V) at the end of 1 minute across the terminals shall be reduced to a value of 50 volts or less, and the energy stored (J) shall be less than 20 joules as determined by the equation:
% l$ ?$ n: P: w! s" _J=5x10-7 CV2+ `9 j) |8 ^3 R' s) a. ^
|
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2015-6-11 16:36
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡