ELECTRICAL POWER EQUIPMENT MAINTENANCE AND TESTING by Paul Gill

ELECTRICAL POWER EQUIPMENT MAINTENANCE AND TESTING by Paul Gill

Contents:

Chapter 1 Maintenance Strategies, Dielectric Theory, Insulating Materials, Failure Modes, and Maintenance Impact on Arc-Flash Hazards

Chapter 2 Direct-Current Voltage Testing of Electrical Equipment

Chapter 3 Power Factor and Dissipation Factor Testing Methods

Chapter 4 Insulating Oils, Fluids, and Gases

Chapter 5 Transformers

Chapter 6 Cables and Accessories

Chapter 7 Medium-Voltage Switchgear and Circuit Breakers

Chapter 8 Low-Voltage Switchgear and Circuit Breakers

Chapter 9 Testing and Commissioning of Protective Relays and Instrument Transformers

Chapter 10 Motors and Generators

Chapter 11 Electrical Power System Grounding and Ground Resistance Measurements

Chapter 12 Power Quality, Harmonics, and Predictive Maintenance

Chapter 13 Electrical Safety, Arc-Flash Hazard, Switching Practices, and Precautions

Preface:

This edition has been devoted to the subject of maintenance and testing of electrical power equipment and apparatus. It covers all types of apparatus and equipment found in electrical power systems serving industrial and commercial facilities, large institutional complexes and office buildings, and utility type substations and generating plants. This book is an outgrowth of my work teaching courses on maintenance and testing of electrical power system apparatus and equipment over the last 30 years. Electrical equipment maintenance and testing are subjects that have assumed greater importance these days because of the detailed attention they are receiving from professional societies, insurance companies, government regulators, manu facturers, and owners. There exists considerable interest among people who operate and maintain electrical power systems in a wide range of topics

relating to equipment maintenance and testing. This is because condition and reliability are directly related to maintenance and testing. To obtain maximum life from electrical equipment, maintain its reliability, and minimize repair costs, it is necessary to service and test it periodically to predict its condition. More attention is being directed to the maintenance and safe operation of electrical equipment. Many municipalities are mandating regulations and codes for periodic inspection and testing of large electrical facilities under their jurisdictions; the federal government has passed laws for the maintenance of commercial nuclear power plants (maintenance rule), and insurance companies are basing their premiums on the quality of a facility’s maintenance program and equipment condition. Attitudes are changing and it is no longer true that maintenance is something the industry must tolerate and learn to live with; preventive and predictive maintenance instead of “necessary” maintenance is now the preferable option and is being increasingly adopted.

In the past, the subject of electrical equipment maintenance and testing was promoted mostly by electrical power equipment and electrical test equipment manufacturers, utilities, and professional societies and organi zations, such as the IEEE, ANSI, NEMA, and others. These bodies and enti ties continue to publish a majority of the requirements for maintenance and testing. To the best of my knowledge, there is no comprehensive book that addresses this subject to the level previous editions of my book have covered. There are other books on the market that address maintenance of individual equipment but I am not aware of any book that covers the subject as com prehensively as this book does. Although many of the basic principles, including theory and practices, have not been affected by the latest techno logical advancements in this field, there have been changes in the practices of certain applications and instrumentation. In this revised edition, I have attempted to consolidate and coordinate the latest advances in the field into a comprehensive and understandable text. In addition, this book provides a guide for evaluating the test results of each category of testing. This information is not usually found in other publications, and I consider it the strength of this book.

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