Electric Safety: Practice and Standards, 1st Edition (Paperback) book cover

Electric Safety

Practice and Standards, 1st Edition

By Mohamed A. El-Sharkawi

CRC Press

464 pages | 339 B/W Illus.

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Paperback: 9781138073999
pub: 2017-03-30
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pub: 2013-11-20
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pub: 2013-11-20
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Description

Electric power engineering education traditionally covers safety of the power equipment and systems. Little attention, if any, is given to the safety of people. When they reach professional status, most power engineers are not familiar with electric safety issues such as practices governing site works or grounding techniques of dwellings, hospitals, and factories. Designed for both electrical engineering student and practicing power engineers, Electric Safety: Practice and Standards provides the knowledge and analysis they need to be well versed in electric safety.

Features:

  • Includes techniques to assess safety practices at worksites and provides remedies to correct safety problems
  • Addresses the elusive stray voltage problem and provides techniques to mitigate its impact in dwellings as well as in sensitive installations such as hospitals and dairy farms
  • Provides approximate, yet accurate, analyses and techniques that can be used to assess electric safety without the need for extensive computation or elaborate programs
  • Includes several case studies from real events and examples demonstrating how variations in electric safety procedure implementation influence safety levels

Based on the authors’ years of experience as an expert witness and electric safety training instructor, the book covers the analysis of electric safety practices as well as the interpretations of various safety codes. Including homework problems and a solutions manual, this book is a comprehensive guide to recognize and eliminate hazards of electric shocks for professionals working on electric power equipment, as well as people such as the general public in commonly used places, farms workers and animals, and hospital patients.

Reviews

"… an excellent resource and supplement to any accident prevention training program and for a variety of electrical workers including safety specialists, engineers, linemen, substation technicians, electricians, and wind and solar technicians. I will purchase additional copies so that student libraries at each of our campuses will have it on the shelf for both staff and student reference. My compliments to Prof. El-Sharkawi for his efforts in bringing to the power industry a valuable reference book."

—Alan Drew, from IEEE Power & Energy Magazine, September/October 2015

"This book can be very helpful for not only the power engineer looking to improve communication and understanding to field workers but could be useful to plant engineers who may have many of the issues described in the book. Solutions for solving many common problems found in the field can be gained from the knowledge in this book. In addition to presenting an excellent text on electrical safety, the several real-life case studies presented and the numerous examples that show the implementation of the electric safety procedures make this a gem of a book."

IEEE Electrical Insulation Magazine, November/December 2014

"… very well written … well illustrated and covers a wealth of valuable subjects … of value to final year third level students undertaking many courses in electrical and electronic engineering. It will also be of value for students undertaking a taught post-graduate course that includes those areas which feature electrical safety. … a good introductory resource for those undertaking research in the area, including practitioners of electrical engineering, in general."

—Prof. J M Blackledge, Dublin Institute of Technology, Ireland

"… will be of good use to an engineering student or new engineer learning about electric system safety as well as the practicing engineer. … provides the basics for understanding electrical system safety in commercial, industrial and utility applications. The book moves quickly through the concepts with sufficient examples to understand and apply the math, formulas and principles used."

—Max Emrick, Senior Member IEEE, Engineering Manager, Protection Automation and Controls

Table of Contents

Fundamentals of Electricity

Electric Fields

Magnetic Fields

Alternating Current

Three-Phase Systems

Basic Components of an Electric Grid

Power Lines

Substations

Physiological Effects of Electricity

Classifications of Electric Shocks

Factors Determining the Severity of Electric Shocks

Symptoms and Treatments of Electric Shock

Microshocks

Ground Resistance

Ground Resistance of Objects

Soil Resistivity

Soil Treatment

Factors Affecting Ground Resistance

General Hazards of Electricity

Touch Potential

Step Potential

Induced Voltage due to Electric Field

Equipotential Surface

Induced Voltage on a Conductor without Field Distortion

Electric Field Distortion due to Earth

Induced Voltage due to Multiple Energized Phases

Effect of Line Configuration on Induced Voltage

Induced Voltage due to Energized Cables

Induced Voltage due to Magnetic Field

Flux and Flux Linkage

Induced Voltage due to Single Energized Conductor

Induced Voltage due to Multiple Energized Conductors

Induced Voltage due to Electric and Magnetic Fields

De-energized Line Work

Definition of a De-energized Conductor

Methods of Detecting Induced Voltage

Main Protection Techniques

Grounding System

Grounding Methods

Case Studies

Live-Line Work

Hot Stick Method

Insulate and Isolate Method

Bare-Hand Method

Case Study

Exercises

Arc Flash

Arc Flash Phases

Assessment of Arc Flash

Calculation of Arc Flash Protection Boundary

Personal Protection Equipment

Approach Boundaries

Atmospheric Discharge

Characteristics of Lightning Discharge

Protection from Lightning Strikes

Safe Distance from Lightning Protection Devices

Exercises

Stray and Contact Voltages

Neutral versus Ground

Service Transformer

Voltage on Neutral Conductor

Stray Voltage

Detection of Stray Voltage

Mitigation of Stray Voltage

Mitigation of Stray Voltage in Hospitals

Contact and Structure Voltages

Neutral Deterioration

World’s Residential Grounding Practices

Electric Safety under Power Lines

Electric Field Calculation

Electric Field near Objects

Electric Field Profile under Power Lines

Allowable Limits for Electric Fields

Minimum Vertical Clearance Methods

Measurement of Electric Field Strength

Mitigation of Electric Field

Coupling between Power Lines and Pipelines, Railroads, and Telecommunication Cables

Electric Field Coupling

Magnetic Field Coupling

Mitigation of Electromagnetic Coupling

Ground Current

Subject Categories

BISAC Subject Codes/Headings:
TEC007000
TECHNOLOGY & ENGINEERING / Electrical
TEC016000
TECHNOLOGY & ENGINEERING / Industrial Design / General
TEC017000
TECHNOLOGY & ENGINEERING / Industrial Health & Safety
TEC031020
TECHNOLOGY & ENGINEERING / Power Resources / Electrical