Rotating electrical machines - Part 2-1: Standard methods for determining losses and efficiency from tests (excluding machines for traction vehicles) (IEC 60034-2-1:2014); German version EN 60034-2-1:2014
旋转电机.第2-1部分:测定试验损失和效率的标准方法(不包括牵引车辆用电机)(IEC 60034-2-1-2014);德文版EN 60034-2-1:2014