摘要：為保證IDC數據中心用電質量越來越高的要求，采用UPS或HVDC的供電方案是最佳的選擇。對于不同的IDC數據中心應用場合，選用合理的供電解決方案是很重要的。本文介紹了幾種不同的供電解決方案，重點對高壓直流系統（HVDC）3種供電方案進行了分析比較。 敘詞：IDC數據中心 供電解決方案 UPS HVDC Abstract：In order to ensure the increasingly high requirement of the power quality of IDC data center, the best solution is to use UPS or HVDC. It is important to choose reasonable power supply solution for different applications of IDC data center. In this paper, some different power supply solutions are introduced, and 3 for high-voltage direct-current system (HVDC) are analyzed and compared. Keyword：IDC data center, Power supply solution, UPS, HVDC