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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? )
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% X b1 c+ W3 I w! @1598及153有放電要求，都是1分鐘!" T9 w2 h$ u" `+ Y" R+ p
固定燈具 UL 1598 – 6.8:. ?1 X. F1 D5 M/ E* E3 t! [
The voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50$ n/ ?0 r f6 S! T S0 \9 X1 h' i
V or less, and the energy stored shall be less than 20 J, as determined by the equation:4 n# k" k# J+ w; c! T5 r
J=5x10-7 cv2 & \' B, n1 Q- R: F1 F& `
0 v( k3 R2 p) W移動燈具UL 153 - 67.3:4 f t" P- P; w
67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate/ k6 O, D0 Q( N; z. j% G# C
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after
* Z: Y1 Z6 W4 K& P$ T/ g! Hremoval 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:
" i, x* ^9 |; E6 c/ ^2 K. l8 NJ=5x10-7 CV2
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发表于 2015-6-11 16:36
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