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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? ) 4 E/ H- r' a2 d
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1598及153有放電要求,都是1分鐘! Y, C8 x, z+ n3 ?& X& ~
固定燈具 UL 1598 – 6.8:
2 D9 N- F5 x& D' E5 w5 J2 r& jThe voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50
J0 V& V$ X6 x5 n: q4 q5 HV or less, and the energy stored shall be less than 20 J, as determined by the equation:# v0 {( R: s$ j- A) F
J=5x10-7 cv2
2 G0 I& R% o7 p8 c! b0 E3 r5 j
" R5 _+ v( t( J! F, z3 s% S8 n移動燈具UL 153 - 67.3:9 X# G7 S# \# l, s0 \/ h& I
67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate |+ r2 d9 Q! t1 e2 |9 f& s
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after
# f- X0 I* C$ P3 x# L/ c' B; ~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:# |4 U+ x+ ]4 q( I
J=5x10-7 CV2! I" h$ [6 M* `1 ~7 W3 ~
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