DIN VDE 0100-520 Bb.3-2012 低压电气装置. 电气设备的选择和安装. 第520部分: 布线系统. 补充件3: 谐波负载电流三相配电线路中电缆的载流量
Low-voltage electrical installations - Selection and erection of electrical equipment - Part 520: Wiring systems - Supplement 3: Current-carrying capacity of cables in three-phase distribution circuits at load currents with harmonic content