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标准规定:
, D4 Q' p6 o5 X! z2 j X3.1.4rated power input" L+ H" t, O2 g
power input assigned to the appliance by the manufacturer
% \7 }1 M: X2 x0 F
5 f5 c/ T7 S1 k5 K( F4 M5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.
' z n2 ]" n1 C4 u6 a! U6 HFor 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
, D& Z- |+ W) f4 H9 K– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;3 r- y5 K5 V4 B- B* {
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
& n. X! o* C- _& M6 \When a factor is not specified, the supply voltage is the most unfavourable within the rated
) h l) f- z; R% c6 j; uvoltage range.# m' P, j. o$ m' 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.
& V1 p Q- r' a' ^$ V11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.% a* X5 ^6 B7 D$ Y
19.2 Appliances with heating elements are tested under the conditions specified in clause 11
3 q5 l. x' q4 a, n* \" Sbut with restricted heat dissipation. The supply voltage, determined prior to the test, is that
9 p; ? |0 D5 B$ `# T3 [required to provide a power input of 0,85 times rated power input under normal operation7 R8 T* t' w$ N, c5 m1 s3 B
when the power input has stabilized. This voltage is maintained throughout the test.
4 ?( Z1 e( v: y' M' E* D$ P- L6 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.
# Q4 [ a/ h( L, R, }: D4 e-----------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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