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标准规定:; v# z* e5 N, |: F3 {0 S! N; ~
3.1.4rated power input; T& l9 z* h4 k( b. y% h% ~
power input assigned to the appliance by the manufacturer$ m7 j7 a- h3 R6 j, b8 \! X
, h9 R- M+ j, b/ C5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.
0 ~5 [# U2 s& X$ M3 s( I5 K' @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
# _4 F U$ w; ^! O– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;
" x( y8 ]7 T7 u/ _3 [7 D– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.+ v+ j+ u1 o1 g4 N& A. l. F
When a factor is not specified, the supply voltage is the most unfavourable within the rated) C! J d) q6 P0 u0 W' N
voltage range.
5 a' R6 q+ e5 b8 j6 G- r6 S) SNOTE 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.
0 [5 d8 B4 I, O0 d, u+ B# O11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.
' o t; t- n n( y' F7 u3 y) L19.2 Appliances with heating elements are tested under the conditions specified in clause 11
9 D( {* H% ]/ D) B6 I' pbut with restricted heat dissipation. The supply voltage, determined prior to the test, is that9 Z/ Q2 c ?2 m6 x, D1 M( V
required to provide a power input of 0,85 times rated power input under normal operation/ j9 `; t' x$ X9 k# k: T3 s
when the power input has stabilized. This voltage is maintained throughout the test.+ n) e3 d. L" ~2 O# w
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.( y1 a/ R" o% B3 t* v: d
-----------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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