|
|
标准规定:, V6 ^+ f; g# R; `% ^0 F
3.1.4rated power input0 @: H( P5 {- Q: \, N# x) h
power input assigned to the appliance by the manufacturer% ~/ v3 f: U6 j( Z* y$ {7 B
: m# [) X! P( ?( q( l
5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.6 k# ^+ T8 W8 q$ Z
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 at0 U. Z& ?$ g+ }) W- H" N
– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;! e9 }# v, }1 B% h+ j4 ]) }
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
" O- L, b# ~2 l! T2 Z0 ~, SWhen a factor is not specified, the supply voltage is the most unfavourable within the rated- E, f& F2 I% ^4 [) V5 f& [
voltage range.
, y4 y9 `$ 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.
7 Q9 a, t& F2 P: b11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.# o$ x. |% D |: P) S; |$ j
19.2 Appliances with heating elements are tested under the conditions specified in clause 11
3 H' ^$ p6 S- ~7 x1 Y$ Fbut with restricted heat dissipation. The supply voltage, determined prior to the test, is that+ c4 ~6 Q. r4 T, c4 n
required to provide a power input of 0,85 times rated power input under normal operation% A3 P! z( x0 S3 Y; p. `$ K& s
when the power input has stabilized. This voltage is maintained throughout the test.
1 U0 v! |" D' ]4 x% w- \$ d4 X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.# D- [* P, Z I. I& ]- ]
-----------个人理解错误了,这是指额定电压是单电压的情况 |
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2008-4-9 17:37
显身卡
发表于 2008-4-10 07:33
发表于 2008-11-25 12:43
楼主