EMERSON HD22010-3是一种电源模块，通常用于35kV到330kV的变电站电力电源中。它是电力电源最主要的配置模块，广泛应用于这些变电站中。HD22010-3系列充电模块采用自冷和风冷相结合的散热方式，根据实际运行情况进行调节，更符合电力系统的实际需求。

It is a power module typically used in substation power supplies ranging from 35kV to 330kV. It is the most important configuration module for power supply and is widely used in these substations. The HD22010-3 series charging module adopts a combination of self cooling and air cooling for heat dissipation, which can be adjusted according to actual operation conditions and is more in line with the actual needs of the power system.