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5.8.4 For appliances marked with a rated voltage range and rated power input" L/ Z& ~! o1 {* t7 ~& [$ W5 y/ L
corresponding to the mean of the rated voltage range, when it is specified that the power
( ?' o% d. M8 p1 x8 Z1 M( i# `5 dinput is equal to rated power input multiplied by a factor, the appliance is operated at
0 G5 q5 `9 ?5 E– the calculated power input corresponding to the upper limit of the rated voltage range
0 G z C1 I2 V( F% Q, M; _multiplied by this factor, if greater than 1;7 l# ]0 H4 X0 G0 X$ U. @1 {
– the calculated power input corresponding to the lower limit of the rated voltage range; g3 p& w$ q& I* u+ V
multiplied by this factor, if smaller than 1.When a factor is not specified, the power input corresponds to the power input at the most: r$ ^0 N: v5 r* Z' b
unfavourable voltage within the rated voltage range.
% |8 z+ f/ u. I2 {
. s6 u8 Y. H x做19.2时，所乘系数小于1，所以按照0.85×(220 / 230 )^2×2400W来测试是对的。
' f b( }, v+ M做19.3时，所乘系数大于1，所以应按1.24×(240 / 230 )^2×2400W来测试。
' @( s) m1 u! `1 U% @# s! S) H" b0 \* I
这种做法是正确的。" X- R5 I, v' M3 z
需要乘系数的原因是， 2400W 对应的电压是230V。 |
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