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标准规定:
; X; E" |% G9 l4 R1 n% G3.1.4rated power input
6 u; v5 X! C. `; a0 B0 @! m2 ~power input assigned to the appliance by the manufacturer
7 ?5 V, U- }8 [: Z+ b% h
' R6 [1 d& P( s- }' }% Z% A8 E5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage./ O: I2 x P2 i( f% h
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
+ |) F$ _- r2 W. x– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;( X6 ~& [& U7 }- t- S1 [
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
0 f% n! g* c: L9 j* r- MWhen a factor is not specified, the supply voltage is the most unfavourable within the rated
0 X" Q; t& C; e( w& g" b6 Tvoltage range.
; ? x5 z3 R3 K, Q3 }( c* j" eNOTE 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.8 }! g' ^+ K( l' _
11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input. ]% b! k7 Q {* Q! U
19.2 Appliances with heating elements are tested under the conditions specified in clause 11/ I" s% C% O; q+ S5 Z: o: s
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that. G3 L2 v; q$ v( Y( Q$ S
required to provide a power input of 0,85 times rated power input under normal operation
: A. P' r+ T+ z3 z9 ?! u7 Hwhen the power input has stabilized. This voltage is maintained throughout the test.; j1 F7 L; P( L$ ]* ^
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.
7 h+ Y& @" b/ O' u, L/ A-----------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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