' n6 k' P; X8 d后者：外面线的额定电压作者: tonze5082 时间: 2011-11-23 09:05
同意楼上的说法作者: ajay 时间: 2011-11-23 09:09
The rated voltage is expressed by the combination of two values Uo/U, expressed in volts:1 \. o2 |) q' v8 W7 ?, `
8 H9 X. D6 N2 [3 Y" wUo being the r.m.s. value between any insulated conductor and "earth" (metal covering of the cable or the surrounding medium);& X( g b$ ]$ a0 k5 Y y- t7 t
8 O' b; C5 }- G- PU being the r.m.s. value between any two-phase conductors of a multicore cable or of a system of single-core cables.作者: 往事如烟 时间: 2011-11-23 09:55
引用第1楼xujianyou于2011-11-23 08:55发表的 :& t/ e2 c5 C- [2 O; k
前者：2C或3C 线的额定电压； , {+ L; V; e( o0 l" P: l ) T6 N% L. K" K5 y) P9 w后者：外面线的额定电压
来自哪个标准的哪一款?作者: atarlic 时间: 2011-11-23 10:31
同意此说话，大家就是要积极回答问题！作者: xiaoxiangtongzi 时间: 2011-11-23 19:12
Rated Voltage V (额定电压UO/U) J6 G* n' C6 S! @& j" u(UO :表任一绝缘导体和”地”(电缆的金属护层或周围介质)之间的电压有效值)+ d8 T: m* q+ a9 U2 o
(U: 表多芯电缆或单芯电缆系统任何两相导体之间电压的有效值)7 m# M0 u- }" a$ e. L