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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%。 7 _. b, l5 r3 u! e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%& J* F' M/ p% E; L
8.2 Input test. r0 Y7 o$ r4 `8 t+ R8 I7 u
8.2.1 For LED modules or arrays:8 `" t E5 z- i
a) For constant current input units, the input current shall be set at rated value; measured# ]% t3 n" K! A/ O% }. \6 w
power shall not exceed 110 percent of rating.9 f* N4 ?' l, d( V; i) o7 {
b) For constant voltage input units, the input voltage shall be set at rated value; measured . H1 o& m6 w% t. wpower shall not exceed 110 percent of rating.