GB/T 12668.902-2021

Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters

调速电气传动系统 第9-2部分：电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 电气传动系统和电机起动器的能效指标