RELIABILITY AND AVAILABILITY ANALYSIS OF UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEM CONFIGURATIONS

RELIABILITY AND AVAILABILITY ANALYSIS OF

UNINTERRUPTIBLE POWER SUPPLY (UPS)

SYSTEM CONFIGURATIONS

A DISSERTATION

SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENT FOR THE

AWARD OF THE DEGREE OF MASTER OF TECHNOLOGY

IN ELECTRICAL ENGINEERING (CONTROL SYSTEM)

BY:

DEEPAK SHARMA

NATIONAL INSTITUTE OF TECHNOLOGY KURUKSHETRA

There are many configurations of UPS. The configurations which are considered for estimating and analyzing the reliability, its parameter and availability in this dissertation work are classified into two groups i.e. Group I and Group II which are as follow

Group I

1. Online UPS with Bypass

2. Online UPS without Bypass

3. Offline UPS

4. Line-Interactive UPS (Buck/Boost)

5. Line-Interactive UPS (Ferroresonant)

Group II

1. Capacity (N) System

2. Isolated Redundant System

3. Parallel Redundant (N+1) System

4. Distributed Redundant System

5. System Plus System "2(N+1)" Redundant System