Ecodesign for power drive systems, motor starters, power electronics & their driven applications - Part 2: Energy efficiency indicators for power drive systems and motor starters; German version EN 50598-2:2014
电力驱动系统、电动机起动器、电力电子及其驱动应用的生态设计——第2部分:电力驱动系统和电动机起动器的能效指示器;德文版EN 50598-2:2014