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标准规定:0 l" D3 p" ?4 D: {
3.1.4rated power input
2 i0 l2 J- i1 M0 r+ upower input assigned to the appliance by the manufacturer7 w5 m- a9 \$ ?7 ~1 `1 E9 I
q1 f) k# P( y1 A
5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.
7 U3 Q, l; `) l" Q2 nFor 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
) q, Q4 U: S' p) f' b/ m– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;! G( c4 X2 y* i6 J; `7 Y/ s$ S1 b/ i
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
5 \& o. V0 ^4 e! d+ C3 g* k, UWhen a factor is not specified, the supply voltage is the most unfavourable within the rated$ H j7 D( j; k* z
voltage range.. `. q$ u- B: J$ q3 \% |# c
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.
+ k) W2 s8 z7 m: @$ j11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.6 h2 q( r6 c: N7 O, q$ w2 Y: a" a
19.2 Appliances with heating elements are tested under the conditions specified in clause 11( C3 m7 ]9 m7 c
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that# w8 q Z7 I5 I! p6 Y' I2 a7 d
required to provide a power input of 0,85 times rated power input under normal operation
, z4 D' k; k+ b$ Awhen the power input has stabilized. This voltage is maintained throughout the test.# t5 _; q5 p! S3 M; D7 } Y" 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.
( W8 e) z) K5 g# z8 A. r" b3 ^6 s-----------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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