标题: 请问确定工作电压时如何考虑谐振电压的影响？ [打印本页] 作者: 最爱安规 时间: 2008-11-30 19:58 标题: 请问确定工作电压时如何考虑谐振电压的影响？ IEC 60335 ; y& g7 w f' b. i' w6 j" J 3.1.3 working voltage ! v" U7 p2 \2 E X- R/ i maximum voltage to which the part under consideration is subjected when the appliance is supplied at its rated voltage and operating under normal operation & m. a. i; k- Y- Q2 A; `% L# E- E
NOTE 1 The different positions of controls and switching devices are taken into account. 4 m" Q9 _+ V( w8 B7 w; X* V# f# zNOTE 2 Working voltage takes into account resonant voltages. / M/ A" m% g. H' sNOTE 3 When deducing the working voltage, the effect of transient voltages is ignored. ; W4 g9 r1 U4 @8 u* \& s2 \. d# S$ i. {9 B0 K9 ?
提到确定工作电压时应该考虑谐振电压。4 n7 V7 A5 N# [/ L* d4 L' s: B" X1 j' |
请问谐振电压在什么情况下出现？ % S7 |5 h& B5 g什么产品中出现？ 5 Y: m3 H5 w$ I5 K2 i- p0 j如果存在的话，如何计算工作电压？作者: yunjuri 时间: 2009-3-18 20:59
例：电容感应式电动机的副绕组与电容器串联会发生谐振，使电容器两端的工作电压比器具的额定电压高许多。作者: 小鸭的天空 时间: 2009-3-18 21:15
楼上正解。 - Y# o7 a& y: v5 R 8 G& ~- T: ^# Y" F' x3 h如空调压缩机的电容器两端， 微波炉高压电容两端。