& ~& S, l4 }: |The working voltage of motors directly connected to the supply mains and having 5 _9 I6 O- i5 N/ L7 ^. cbasic insulation that is inadequate for the rated voltage of the appliance, shall not exceed7 m" a* T. `- U% [+ s' ^2 g5 R; C: R2 I
42 V. In addition, they shall comply with the requirements of Annex I.* ~5 ^- |2 M" W2 u# s8 R- n; s
Compliance is checked by measurement and by the tests of Annex I. # Z6 E. k- b0 l+ G5 [. B7 H 8 i6 [ m6 D& D0 F! e + C/ Y$ Q# R; U 6 A0 @( t0 ` ]- Y2 M这是不是可以这样理解:首先非变压器之后的电路认为是与电源供电直接连接的。6 c/ b- ]3 _. k! _$ _3 m6 ]; D
其次 在13和 16章,器具额定电压施加电机带电部件和易触及表面这个耐压测试不能通过的,,,同时29章基本绝缘的爬电距离电气间隙对于工作电压满足,对于额定电压不满足的。其电机电压不能超过42V,且符合附录I " a- V& S: u! g作者: zyhua1985 时间: 2014-5-26 10:52
与电网电源直接连接并且具有的基本绝缘对器具的额定电压来说不够充分的电动机的工作电压不应超过42V