|
|
标准规定:5 U1 J# G5 U7 ?* _. X+ K: D- g
3.1.4rated power input q4 \+ v, L2 P m/ l. W4 g
power input assigned to the appliance by the manufacturer/ P) Y# [( V- d0 a2 D
1 M6 X1 A% t& h8 F% r5 j& f5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.& Y" K3 y& S. }! H5 _0 k
For motor-operated appliances, and combined appliances, marked with a rated voltage range, when it is specified that the supply voltage is equal to the rated voltage multiplied by a factor, the appliance is supplied at3 l) `: p' Q' q% m
– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;5 ~( I9 B* Q. a
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
6 g$ s% Q* K% ?When a factor is not specified, the supply voltage is the most unfavourable within the rated
* c. T: Q( o% Z4 X, ?voltage range.9 _0 i3 ^& |$ f8 N5 P
NOTE 1 If a heating appliance has a rated voltage range, the upper limit of the voltage range will usually be the most unfavourable voltage within the range.
! i, Y. N g7 u' b f11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.) A% I8 i/ [ J
19.2 Appliances with heating elements are tested under the conditions specified in clause 11
) b% T& r: t9 z! [4 N4 Lbut with restricted heat dissipation. The supply voltage, determined prior to the test, is that
# H' J' f( G! Trequired to provide a power input of 0,85 times rated power input under normal operation$ ]& ^$ \$ d0 y4 w, U4 e* b+ ^
when the power input has stabilized. This voltage is maintained throughout the test.
5 a! U h5 T4 M9 ^2 K所以个人认为:19.2与19.3的测试电压应该是:测得额定功率0.85与1.24倍时的电压即可.& _7 O5 w2 i( N- Z A
-----------个人理解错误了,这是指额定电压是单电压的情况 |
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2008-4-9 17:37
显身卡
发表于 2008-4-10 07:33
发表于 2008-11-25 12:43
楼主