|
|
标准规定:
/ J" C% C1 y( L' v& k3.1.4rated power input
2 b4 C+ H/ C% k* z4 }! spower input assigned to the appliance by the manufacturer
; }& C* N6 K% {7 E& d8 u8 J& e Z/ K: E7 p T8 Q( D- D$ E2 D+ H
5.8.2 Appliances having more than one rated voltage are tested on the basis of the most unfavourable voltage.
& v+ i5 E- ~) {0 PFor 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 K, y# o" `7 Q- M3 N– the upper limit of the rated voltage range multiplied by this factor, if greater than 1;6 o5 m _" h/ c3 e' B! N
– the lower limit of the rated voltage range multiplied by this factor, if smaller than 1.
* D. e) ~$ G8 ?6 h6 RWhen a factor is not specified, the supply voltage is the most unfavourable within the rated
8 s* T% i r1 _6 jvoltage range., C$ J: G8 Y9 e. _
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.% {% p5 j. r/ u1 V2 X* D; C+ [
11.4 Heating appliances are operated under normal operation and at 1,15 times rated power input.
% l- U) G8 I: ^* ^19.2 Appliances with heating elements are tested under the conditions specified in clause 11. k' v/ z8 ^% X$ s% p
but with restricted heat dissipation. The supply voltage, determined prior to the test, is that
: ~1 u9 R! n {, y9 i' Orequired to provide a power input of 0,85 times rated power input under normal operation% b" A4 a8 t! Z3 G% Y: c
when the power input has stabilized. This voltage is maintained throughout the test.5 s# K$ x3 o' `% X# H4 [1 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.
) `' G6 ^2 x/ ~7 E7 e7 Z# a( {-----------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