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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%。& k! ]" V- }& m' @/ j- F4 l! y
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%
9 m3 X# |) d& U9 N8.2 Input test
5 o h/ A" b! v' _* z0 f8.2.1 For LED modules or arrays:2 d- h) Y' s( O) f1 g; w; R9 |
a) For constant current input units, the input current shall be set at rated value; measured; h6 r0 {! \& n7 ]) i
power shall not exceed 110 percent of rating.0 K5 h3 Z! s% J, x: o
b) For constant voltage input units, the input voltage shall be set at rated value; measured8 X# \1 R# j; b' W% U. a8 x a& I
power shall not exceed 110 percent of rating. |
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