Uninterruptible Power Supplies
Platts, John / St Aubyn, John![Uninterruptible Power Supplies](https://support.digitalhusky.com/media/annotations/sorted/258/25809241/CHSBZCOP0325809241.jpg)
An uninterrutible power supply (UPS) can avoid potentially catastrophic havoc caused by electricity supply line disturbances. This book is a comprehensive guide to the various types of UPS systems available, showing how they may be specified and applied effectively.