以LKJ2000型监控电源插件为例，介绍模块化电源的功能，阐述了模块化电源的过压、欠压保护电路的工作原理及各路输出过流保护电路的工作原理。

Taking the power board of type LKJ2000train monitoring and recording device as an example, the paper describes the function of the modular power supply.

youdao

以LKJ2000型监控电源插件为例，介绍模块化电源的功能，阐述了模块化电源的过压、欠压保护电路的工作原理及各路输出过流保护电路的工作原理。

Taking the power board of type LKJ2000train monitoring and recording device as an example, the paper describes the function of the modular power supply.

youdao