This document summarizes UPS (Uninterrupted Power Supply) systems. It defines a UPS as an electrical apparatus that provides emergency backup power when main power fails. It describes the three main types of UPS systems as online, offline, and electronic generators. It lists some common applications of UPS systems like data centers, healthcare, and industries. It outlines key advantages like protecting devices from power issues and providing emergency power, as well as drawbacks like energy use and maintenance costs.

1. UPS (Uninterrupted Power Supply)
GAUTAM MISHRA
Semester – VII
Department of Electronics and Communication
Gogte Institute of Technology, Belagavi

2. Introduction
An UPS (Uninterrupted Power Supply) is an electrical apparatus that
provides emergency power to a load when the input power source,
typically mains power, fails.

3. Types
There are three distinct types of UPS:
 On-line UPS
 Off-line UPS
 (Hi) Electronic Generators

4. Circuit of On-line UPS

5. Block Diagram of Off-line UPS

6. Block Diagram of Electronic Generators

7. Applications of UPS
• Data Centers
• Telecommunication
• Healthcare
• Industries
• Special Projects (Events)
• Bank and Insurance

8. Advantages of UPS
• Protects from uncertain data loss
• Emergency power supply
• Protects the voltage sensitive devices from bad electricity
• Provides surge protection
• Maintains the battery life
• UPS gives a huge power back in the industries

9. Drawbacks of UPS
• Energy Use
• Maintenance Cost
• Infrastructure

10. References
• www.circuitstoday.com
• www.eneria.fr
• www.wikipedia.com