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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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! u. K8 @( f, b/ o; r1598及153有放電要求,都是1分鐘!
/ n; M3 N; ~. A5 z固定燈具 UL 1598 – 6.8:& E4 o" b! ]1 Y7 U& P
The voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 508 B5 O4 I5 ^# w, T& V* D
V or less, and the energy stored shall be less than 20 J, as determined by the equation:
1 M( x0 M* [- ?9 f6 K0 S( i+ SJ=5x10-7 cv2 & {" I8 ]- n: o0 _" R" z9 l8 c0 `
, Z1 U7 i8 H3 U移動燈具UL 153 - 67.3:
2 J$ c8 J$ I- h; P 67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate7 i5 g9 c, C* T7 {! A$ ^& a+ T5 ?. q
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after
, X) h2 G6 k' C, h) I: J5 _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:
& d' N& a! m8 yJ=5x10-7 CV21 o& p: j g8 ~4 d* H- i
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