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标准规定:7 P) u' F+ A4 c, Y h. a
3.1.4rated power input
. S9 `8 d: ^& _( \4 F' z2 J/ Gpower input assigned to the appliance by the manufacturer
' ^8 W" O8 W) H. X3 f4 q
' l+ k7 z3 N* f. [5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.
# A6 H# i% |! D4 u$ {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 at9 t2 v0 W) ~( O) Z, F
– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;
" n" Q" L) z$ M– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
5 K3 s# q. {% g7 gWhen a factor is not specified, the supply voltage is the most unfavourable within the rated" Q9 V! s3 F* \; v0 R4 z6 k2 }' ^- Q
voltage range.$ g6 s, [. }( K
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.. D6 ~# T1 e- L+ k6 J
11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.$ ]6 G5 Z$ ^( R! l$ }& q& q+ C d
19.2 Appliances with heating elements are tested under the conditions specified in clause 113 w; [9 i: l! h4 N1 L) \
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that, c* l8 Y- Y; x5 s+ ~2 j
required to provide a power input of 0,85 times rated power input under normal operation w' l# W& \: D: J+ k
when the power input has stabilized. This voltage is maintained throughout the test.4 D' W/ @; y. V9 p: e4 f
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.) R# D* T8 [- Q* w& n2 {+ c
-----------个人理解错误了,这是指额定电压是单电压的情况 |
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