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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? ) ' @' n w- x$ C9 m1 }2 y
$ l1 T( }4 U' b. w1598及153有放電要求,都是1分鐘!
5 ]) d8 p6 l4 x6 F4 D% Q5 h固定燈具 UL 1598 – 6.8:
. O# S) R& |1 l7 PThe voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50
$ C7 D! c6 \$ J' jV or less, and the energy stored shall be less than 20 J, as determined by the equation:0 F j3 P. e! x
J=5x10-7 cv2
( V) w: c0 Y3 F; `2 Y5 i! H% q8 |! w
, S e" g" y! ^( v8 M% l移動燈具UL 153 - 67.3:6 I7 D2 ?3 [# Q8 {
67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate, w* d- H1 X. g6 Z& q! _
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after
# m% \1 M/ S0 w& g/ \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:0 \1 d7 e) {; I% R; D7 j9 |
J=5x10-7 CV27 Z7 v0 ?1 d: M0 Y6 P3 I7 P0 L
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