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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? ) 2 K1 B3 P, s5 C( e0 ^. D
6 y+ E3 g0 h+ F& H+ r, Q5 k: k
1598及153有放電要求，都是1分鐘!
( r d! e5 h4 O) S; o* b固定燈具 UL 1598 – 6.8: ^: w# q m9 Q& E" J5 c
The voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50+ e) \+ Y* f5 B) Q9 W$ K% v
V or less, and the energy stored shall be less than 20 J, as determined by the equation:% A" }' S/ J% {
J=5x10-7 cv2
- p! T3 T( E% |9 v5 ?! n; t' k1 X& t, N
移動燈具UL 153 - 67.3:
% P1 L' d v2 e5 v 67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate
# P/ S& ^/ f* O/ V$ {. emeans, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after/ J- x! o' N1 W* [$ E8 V
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: x9 D3 _& ]$ I, I% }* b; o
J=5x10-7 CV28 P$ Y: ]3 n8 m- ^- M
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发表于 2015-6-11 16:36
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