With the proliferation of electronic loads such as computers, the incidence of power quality-related problems is growing. As a result, the uninterruptible power supply (UPS) market has grown signiﬁcantly in the last few years. What follows is an overview of UPS functions and descriptions of common types of UPSs and backup power sources.
16.1 UPS Functions
The primary purpose of a UPS is to provide conditioned, continuous power to its load. Another UPS function that is of growing importance in today’s market is system integration, or the...