The functions, working principle, classification of UPS and EPS, as well as the main characteristics of the common type of back-up, on-line, on-line interactive UPS are expatiated.

摘 要 分别介绍了UPS和EPS的功能、工作原理、分类，以及常见的后备式、在线式、在线交互式三种UPS的主要特点。

youdao

The functions, working principle, classification of UPS and EPS, as well as the main characteristics of the common type of back-up, on-line, on-line interactive UPS are expatiated.

摘 要 分别介绍了UPS和EPS的功能、工作原理、分类，以及常见的后备式、在线式、在线交互式三种UPS的主要特点。

youdao