|
|
标准规定:
% D5 B) f) p, c! v, B3.1.4rated power input
7 U7 S3 K9 H5 ]) Y' R3 Mpower input assigned to the appliance by the manufacturer
" c# a. ], N+ y5 s4 G; ?" ~( \* i7 m; N6 L
5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.' L2 Y6 E6 a6 _9 _6 }
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 at" G! @% u" v/ X- K7 `# _' o
– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;& h9 ]% Z( C% |' M9 ]* f- r
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1. V9 ~* \2 \1 R) w- j. P
When a factor is not specified, the supply voltage is the most unfavourable within the rated* z1 V5 u0 z" F4 T. F: p3 O8 q# @" S
voltage range.
0 Z' e1 `8 P1 z: x- {: D" P$ ^2 RNOTE 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.
7 K: g- \7 c6 D4 O( H11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input., Z, {! j2 f' q Q
19.2 Appliances with heating elements are tested under the conditions specified in clause 11# j! @) q+ a) q: U3 K; D2 c
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that
, P. @( ]4 i3 l0 [required to provide a power input of 0,85 times rated power input under normal operation
' H' Z) J; X2 S6 Z4 J. xwhen the power input has stabilized. This voltage is maintained throughout the test.
4 { O; r- k: O: M7 o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.
- P) C5 E. \% Q9 A-----------个人理解错误了,这是指额定电压是单电压的情况 |
|
/1 
|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
' m" i6 z2 f, U
发表于 2008-4-10 07:33
发表于 2008-11-25 12:43
楼主