, ^& i+ R0 a! ]* o2 S) X例如,LED吸顶灯额定功率36W,实测值为32W。那么判定其合格与否?作者: Leontios 时间: 2019-3-30 12:12
坐等大神解答,我在灯具通标里面是没有找到;家用电器通标是有要求的。作者: waterssj 时间: 2019-7-2 13:09
正负10%,性能要求作者: CLXZLX 时间: 2019-9-6 15:05
可参考IEC 62384-1性能要求,testing with supply rated voltage and at 92% and 106% of rated voltage,在92%和106%的电压下,测出来的输出电流变化不能超过额定的+-10%。1 i4 q2 i5 j, O. h
或者参考UL 8750的性能要求:恒流的在额定输入电压下功率不能超过额定的110% ) D4 v* {4 ?1 w4 v4 ~4 A8.2 Input test " i$ T0 O- U; O# L0 h8.2.1 For LED modules or arrays: 8 z; [8 B% R3 E* d# j; X; |) }, Wa) For constant current input units, the input current shall be set at rated value; measured# t8 \; P3 D! W
power shall not exceed 110 percent of rating. 8 x5 N" l$ {, A5 ~) c. Ub) For constant voltage input units, the input voltage shall be set at rated value; measured 0 c- ~3 ^9 y! Y( R" H0 c/ u2 ypower shall not exceed 110 percent of rating.