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Uninterruptible Power Supply (UPS) – Selection, Installation, Maintenance & Operation

Date: 5 November 2017 - 9 November 2017
Course ID: 710/2017
Duration: 5 Days
Fee US $ + VAT: 2950 US$
Venue: Dubai / UAE
Category: Electrical and Electronic Engineering, Mechanical Engineering

Introduction:

Uninterruptible Power Supply is an integral part for most of the applications that demand the continuity of their electric supply. This Course is intended to provide advanced engineering aspects of Uninterruptible Power Supply (UPS). Emphasis shall be laid on topics relevant to Uninterruptible Power Supplies construction and troubleshooting. Operation, characteristics and selection of Uninterruptible Power Supplies will be studied. Extensive practical examples will be demonstrated through out this course.

Objectives:

Upon successful completion of this training program, the participants will learn the following:



 Features of various types of Uninterruptible Power Supplies

 Uninterruptible Power Supplies selection for varies applications

 Uninterruptible Power Supplies construction and Design

 Uninterruptible Power Supplies Operation

 Uninterruptible Power Supplies Maintenance and Installation

 Uninterruptible Power Supplies troubleshooting

Who should attend:

The course is targeted to Senior Engineers working in Operation and Maintenance of Uninterruptible Power Supplies.

Daily Outlines:

Day One

-UPS Structure

Rectifier

Inverter

Battery

Static Transfer Switch



- UPS Needs and Applications

Transients

Harmonics

Sags

Swells

Frequency Disturbances

Over Voltage

Under Voltage

Grounding



- UPS Selection

Emergency Power

Lighting

Startup Power

Transportation

Mechanical Utility System

Refrigeration

Heating

Production

Data Processing

Life Support and Life Safety



Day Two

- UPS Types

Double Conversion

Single Conversion

Ferroresonant

Line-Interactive

Online ("True")

Microprocessor – based UPS



- UPS Configurations

Double-conversion systems without bypass

Group 2: Double-conversion systems with bypass

Group 3: Single-conversion systems without bypass

Group 4: Single-conversion systems with bypass



- UPS Operation

Control and Monitoring Software and Hardware

Self Test

Waveform output



- Solid-State Switches

Diode

Thyristor

Power Transistor

MOSFET

IGBT



Day Three

-Rectifiers and Chargers

Uncontrolled Rectifies (Single-Phase and Three-Phase)

Half-Controlled Rectifiers (Single-Phase and Three-Phase)

Full-Controlled Rectifies (Single-Phase and Three-Phase)

Basic Chagrining Methods

Constant voltage

Constant Current

Trickle Charging

Pulsed Charge

Float Charge

Random Charge

Charging Rates

Slow

Fast

Charger Types



- Inverter Circuits

Voltage Source Inverters

Current Source Inverters

Inverter Circuit Controller

Square Wave Controllers

PWM Controller

Hysterieses Controller



Day Four

- Batteries

Stationary batteries in standby service

Lead-acid

Vented cells (floodedcells)

Valve-regulated cells

Nickel-cadmium

Pocket-plate cells

Fiber-plate cells

Vented Sintered-Plate

Installation design

Battery sizing

Recharge/equalize charging

State of Charge

Depth of Discharge

Storage Capacity, Available Capacity and Total Capacity

Battery Life

Battery system short-circuit calculation

Battery-powered emergency lighting



- UPS maintenance

Preventive Maintenance

Typical maintenance schedule for a static UPS system



- UPS troubleshooting and Testing

Failure Analysis

Types of Tests

Acceptance Tests

Routine Maintenance Tests

Special Maintenance Tests

Types of Testing Methods

Solid insulation testing

Insulating liquid testing

Protective device testing

Circuit breaker time-travel analysis

Grounding electrode resistance testing

Battery Tests

Performance Test

Cell Removal

Water Replacement

Use of Hydrometer

Battery Impedance Test

Connection Resistance Test

Indication of Deterioration

Capacity Tests

Safety



Day Five

- UPS Protection

Battery charger protection

Inverter protection

Static transfer switch protection

Overvoltage protection

Equipment physical protection



- Reliability of UPS systems

Applications

Environmental concerns

Specification and acceptance testing

Maintenance and training

Failure modes

Management awareness

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