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标准规定:: D" I+ [9 r* ~: Z4 B5 H1 D. r8 V
3.1.4rated power input
4 `' @2 Q6 U2 H: ]power input assigned to the appliance by the manufacturer
0 l: b5 y# G2 L9 } E! W' t6 J) x8 c& W. q* p0 [5 P, m
5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage., {! i9 q% G" W& [
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$ p( V0 T- Y* z) ?
– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;
7 e4 _' i; v: o7 Y/ z) q) @– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.: i" }, R% a& G; U! N: I! V/ v& ^
When a factor is not specified, the supply voltage is the most unfavourable within the rated7 j3 p9 i6 s: J, l
voltage range.5 A# q. Q! W7 D( M* J* y
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.3 b! }0 o. I6 u9 f9 ^
11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.
( P8 i1 V `1 F19.2 Appliances with heating elements are tested under the conditions specified in clause 11% Q* c5 r! t( e r
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that# y% [: q+ A( h& i3 J0 _ O* ~* H
required to provide a power input of 0,85 times rated power input under normal operation
$ w, o; l$ S1 s/ h+ `( Vwhen the power input has stabilized. This voltage is maintained throughout the test.
3 _' @% k+ \2 S2 N, ?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.
8 J' {( n% g; {1 H: J r8 h3 O-----------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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