pdf, 1.88 mb, 139 pages download : www.artikel-software.com/blog chapter 1 introduction purpose scope references principles and configurations design criteria and selection installation and testing maintenance chapter 2 principles and configurations of uninterruptible power supply (ups) systems principles of static ups systems principles of rotary ups systems common static ups system configurations rotary ups system configurations chapter 3 design and selection of uninterruptible power supply (ups) selecting an ups static ups system ratings and size selection rotary ups system ratings and size selection chapter 4 installation and testing of uninterruptible power supply (ups) construction and installation of static ups systems construction and installation of rotary ups systems power distribution and equipment grounding and shielding requirements testing and start-up test equipment chapter 5 uninterruptible power supply (ups) systems maintenance procedures maintenance for ups systems ups battery maintenance appendix a references appendix b selecting an uninterruptible power supply (ups): an example