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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? ) - m6 J% Q9 r( |6 q
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1598及153有放電要求,都是1分鐘!
H2 y" r8 h5 F- q5 y- t固定燈具 UL 1598 – 6.8:
; n7 f6 D. G& C; @The voltage across the capacitor terminals at the end of 1 minute shall be reduced to a value of 50
. @- j+ S* @1 D2 CV or less, and the energy stored shall be less than 20 J, as determined by the equation:" q* f6 g0 ^4 ^$ g& t! t
J=5x10-7 cv2 8 g/ b! p/ ~: \' I
! f5 Q! p9 E! A! \) ^' i/ A. ]移動燈具UL 153 - 67.3:
g$ x& f* {( O7 \( v# {# E 67.3.1 A portable luminaire having a capacitor as a component separate from the ballast shall incorporate, b9 E" }$ X0 i L4 z! e8 a
means, such as a bleeder resistor, for the automatic discharge of the capacitor within 1 minute after# ]% `, P# m+ _+ Y
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:& Q+ F& C) L9 e! c
J=5x10-7 CV2
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