DIN VDE 0530-25-2009
旋转电机.第25部分:交流电动机变频电源专门设计的性能和设计指南(IEC/TS 60034-25-2007);德文版本CLC/TS 60034-25-2008
Rotating electrical machines - Part 25: Guidance for the design and performance of a.c. motors specifically designed for converter supply (IEC/TS 60034-25:2007); German version CLC/TS 60034-25:2008