首先介绍了高压直流系统在IDC机房应用的背景，接着介绍了高压直流系统的工作原理和特点，探讨并分析了高压直流系统的应用实例，为各运营商在IDC机房中应用高压直流系统提供借鉴和参考。

First introduced the high-voltage direct current system in the computer room applications，IDC background，and then introduced the high-voltage direct current system works and characteristics，to explore and analyze the application of high voltage DC system examples for all operators in the application of high-voltage direct current IDC room reference system and reference．