IEC 62590-3-1:20 22规定了1AC牵引系统电子功率补偿器的要求和测试方法。该设备应用电力电子技术，用于提高电力牵引系统内部和/或3AC电网接口处的电能质量。 本文件适用于为实现以下一项或多项功能而安装的设备: -减轻电压波动； -提高功率因数； -减少到3AC电源网络的接口处的不平衡。 本文件适用于所有可能配置的设备，以实现不同的补偿技术解决方案，但不包括仅由无源元件组成的设备。

IEC 62590-3-1:2022 specifies the requirements and test methods for electronic power compensators for 1AC traction systems. This equipment is used to improve electric power quality inside the electric traction system and/or at the interface to the 3AC power network, applying power electronics technology.
This document applies to equipment which is installed to achieve one or more of the following objectives as its function(s):
- to mitigate voltage fluctuation;
- to improve power factor;
- to reduce imbalance at the interface to the 3AC power network. This document applies to equipment with all possible configurations to implement different technical solutions for compensation, but equipment consisting of only passive components is excluded.