Electrical Equipment - A Field Guide

ELECTRICAL EQUIPMENT A FIELD GUIDE
 
A comprehensive guide for all the electrical equipment in plants to understand their basic theories, relevant standards, operation and maintenance, challenges, and scope for future research.
 
This valuable new volume is a must-have for any engineer. Covering almost all electrical equipment, such as generators, motors, transformers, cables, batteries, meters, relays, fuses, lamps, lightning arresters, circuit breakers, and so much more, it covers not only the basic theory, but also mathematical equations, selection guidelines, installation, commissioning, operation and maintenance, and many other practical applications. Equally as importantly, also covered here are all the applicable international standards, such as IEC and IEEE.
 
This book is written in a simple language for easy understanding by field engineers. The rating plate of all the equipment is described in detail. The relevant details of the equipment have been taken from the reputed manufacturers' brochures and their operation manuals. This book serves as a guide for researchers to know the gaps in existing technologies and gives direction for future research. Academics can refer to this book to understand the field requirements and to prepare their curriculum accordingly.
 
This groundbreaking new volume presents these topics and trends, bridging the research gap, and enables wide-scale implementation of efficient and effective operations. Whether for the veteran engineer or the student, this is a must-have for any library.
 
This outstanding new volume:
* Is a comprehensive, "one stop shop" guidebook for electrical engineers
* Covers all the electrical machines, switchgear, meters and relays, cables, batteries, and many other types of equipment found on the shop or plant floor
* Includes all the applicable international standards such as IEEE, IEC, NEMA, NFPA, and others
* Lists out the gaps in the existing technology and opportunities for future research
 
Audience Electrical engineers, technicians, and other designers, engineers, and scientists who work with electrical equipment.

List of contents

Foreword xiii
 
Preface xv
 
1 Introduction 1
 
1.1 Introduction 1
 
1.2 Electrical Power Supply 1
 
1.3 Classification of Voltages or Voltage Bands 2
 
1.4 Standards Agencies 2
 
1.5 Electrical Standards 12
 
1.6 Abbreviations 15
 
1.7 Constants 19
 
1.8 Types of Maintenance 19
 
1.9 Useful Life of Equipment 22
 
2 Transformers 25
 
2.1 Introduction 25
 
2.2 Types of Transformers 27
 
2.3 Transformer on No Load 27
 
2.4 Transformer on Load 28
 
2.5 Total Equivalent Circuit of Transformer (Referred to Primary Side) 29
 
2.6 Losses in a Transformer 29
 
2.7 Efficiency of Transformer 30
 
2.8 Parallel Operation of Transformers 31
 
2.9 Rating Plate of Transformer 32
 
2.10 Information to Be Given to Purchase a Transformer 49
 
2.11 Tests on Transformer 52
 
2.12 Maintenance of Transformers 54
 
2.13 Troubleshooting Chart for Transformers 65
 
2.14 Latest Trends Opportunities in Transformer Technology 65
 
3 Generators 73
 
3.1 Introduction 73
 
3.2 Alternator 73
 
3.3 Field Poles 74
 
3.4 Construction of Field Poles 74
 
3.5 EMF Equation of Alternator 75
 
3.6 Capability Curve 76
 
3.7 Design of Alternator 80
 
3.8 Rating Plates 80
 
3.9 Voltage Regulation of Synchronous Generator 85
 
3.10 Excitation 86
 
3.11 Connections 87
 
3.12 Neutral Grounding 88
 
3.13 Cooling 88
 
3.14 Short-Circuit Ratio (SCR) 89
 
3.15 Pitch Factor (Kp) or Chording Factor (Kc) 90
 
3.16 Distribution Factor (Kd) 91
 
3.17 Leakage Reactance (Xl) 92
 
3.18 Armature Reaction 92
 
3.19 Operation of Generator When Connected to an Infinite Bus 93
 
3.20 Load Sharing of Grid-Connected Alternator 94
 
3.21 Typical Values of Various Reactances and Time-Constants 94
 
3.22 Load Characteristics of Alternators 94
 
3.23 Salient Pole Machine with Two Reaction Theory 97
 
3.24 Hunting 98
 
3.25 Stability and Swing Equation 98
 
3.26 Prime-Mover Rating Plates 99
 
3.27 Effect of Unbalanced Loads and External Faults 100
 
3.28 Voltage Regulators 101
 
3.29 Parallel Operation of Alternators Under Different Conditions 101
 
3.30 Induction Generator 103
 
3.31 Doubly Fed Induction Generator 105
 
3.32 Latest Trends in TG Technology 105
 
3.33 Maintenance 107
 
3.34 Fault Finding 107
 
3.35 Generator Failure Modes 107
 
3.36 Tests on a Turbo-Generator 107
 
3.37 Tests on Engine-Driven Generator 110
 
3.38 Gaps and Research Opportunities 111
 
4 Induction Motors 113
 
4.1 Introduction 113
 
4.2 Comparison Between Various Types of Motors 113
 
4.3 Working Principle of 3-Phase Induction Motor 114
 
4.4 Construction of SCIM 115
 
4.5 Equivalent Circuit of SCIM 118
 
4.6 Torque-Speed Curve of SCIM 119
 
4.7 T-S Curve for SRIM 121
 
4.8 Torque-Speed Curve of Single-Phase Motor (Split Phase) 122
 
4.9 Name Plate or Rating Plate of SCIM 122
 
4.10 Power Stages of Induction Motor 140
 
4.11 Abnormal Conditions 140
 
4.12 Starting of Induction Motors 143
 
4.13 Speed Control of Induction Motors 143
 
4.14 Deep Cage Induction Motor 143
 
4.15 Double Cage SCIM 145
 
4.16 Selection of Motor Power for an Application 146
 
4.17 Design of Induction Motors 146
 
4.18 Characteristics

About the author

B. Koti Reddy is a scientific officer in the Department of Atomic Energy in India. His more than 30 years of experience in electrical power systems includes selection, procurement, commissioning, operation, and maintenance with various HV and LV switchgears, machines, drives, solar photovoltaics, electric vehicles, batteries, cables, measuring instruments, and protective relays. His work includes power system analysis with software tools such as E-Tap, PVSyst, Matlab and Homer Pro. He is a member of IEEE, ISTE, IAE and a Fellow of the Institution of Engineers(India).

Summary

ELECTRICAL EQUIPMENT A FIELD GUIDE

A comprehensive guide for all the electrical equipment in plants to understand their basic theories, relevant standards, operation and maintenance, challenges, and scope for future research.

This valuable new volume is a must-have for any engineer. Covering almost all electrical equipment, such as generators, motors, transformers, cables, batteries, meters, relays, fuses, lamps, lightning arresters, circuit breakers, and so much more, it ­covers not only the basic theory, but also mathematical equations, selection guidelines, installation, commissioning, operation and maintenance, and many other practical applications. Equally as importantly, also covered here are all the applicable international standards, such as IEC and IEEE.

This book is written in a simple language for easy understanding by field engineers. The rating plate of all the equipment is described in detail. The relevant details of the equipment have been taken from the reputed manufacturers' brochures and their operation manuals. This book serves as a guide for researchers to know the gaps in existing technologies and gives direction for future research. Academics can refer to this book to understand the field requirements and to prepare their curriculum accordingly.

This groundbreaking new volume presents these topics and trends, bridging the research gap, and enables wide-scale implementation of efficient and effective operations. Whether for the veteran engineer or the student, this is a must-have for any library.

This outstanding new volume:
* Is a comprehensive, "one stop shop" guidebook for electrical engineers
* Covers all the electrical machines, switchgear, meters and relays, cables, batteries, and many other types of equipment found on the shop or plant floor
* Includes all the applicable international standards such as IEEE, IEC, NEMA, NFPA, and others
* Lists out the gaps in the existing technology and opportunities for future research

Audience Electrical engineers, technicians, and other designers, engineers, and scientists who work with electrical equipment.

Product details

• Authors: B Koti Reddy, B. Koti Reddy, Bk Reddy
• Publisher: Wiley, John and Sons Ltd
• Languages: English
• Product format: Hardback
• Released: 31.12.2021
• EAN: 9781119768944
• ISBN: 978-1-119-76894-4
• No. of pages: 480
• Subjects: Natural sciences, medicine, IT, technology > Technology > General, dictionaries; Maschinenbau, Elektrotechnik, Industrial Engineering, Mechanical Engineering, Electrical & Electronics Engineering, Elektrotechnik u. Elektronik, Allg. Elektrotechnik u. Elektronik, Industrielle Verfahrenstechnik, Allg. Maschinenbau, Allg. Industrielle Verfahrenstechnik