What can the readers gain from this book?
- A clear and strong grasp of electrical engineering fundamentals.
- Better understanding of electrical engineering terms, concepts, principles, laws, analysis methods, solution strategies and computational techniques.
- The ability to communicate with professional electrical engineers and electricians at their "wavelength."
- Greater confidence in their interactions with electrical engineering design engineers, power engineers, controls engineers and other electrical engineering experts.
- Certain skills and preparation necessary for succeeding in electrical engineering portion of various certification and licensure exams, i.e. FE, Fundamentals of Engineering (also known as EIT, or Engineer in Training), PE, Professional Engineering, CEM, Certified Energy Manager, and many other trade certification tests.
- A compact and simplified electrical engineering desk reference instead of a voluminous handbook.
- A brief introduction to the NEC and the Arc Flash Codes.
- Better understanding of electrical energy cost and tips on improvement of electrical energy intensity in industrial and commercial environment.
- Better understanding of myriad battery options available in the market; their strengths, weaknesses, opportunities that lie ahead and potential threats, and how batteries compare with capacitors as energy storage devices.
If you don’t understand some of the abstract concepts in this text the first time, don’t give up. Read it again!
Table of Contents
Fundamental Electrical Engineering Concepts and Principles Fundamental electrical engineering concepts, terms, principles, laws, analytical techniques, and equations. Functions and features of basic electrical engineering instruments and associated best practices. Calculation of impedance components such as capacitive reactance and inductive reactance. Calculation of impedance and acquisition of impedance for standard conductors from various tables.
DC Circuit Analysis, Diodes and Transistors- BJT, MOSFET and IGBT
Basic DC circuit analyses techniques. Superposition, Thevenin Equivalent and Norton Equivalent Theorems, basic electronic devices, i.e. diodes and transistors and their applications. Introduction to BJT, MOSFET and IGBT transistors. Electronic device recognition and their common functions on a typical control printed circuit board.
Introduction to single-phase AC, differences between AC and DC, AC applications, complex math-based representation of AC circuits and associated circuit analysis. Introduction to three-phase AC and three-phase AC transformers.
DC and AC Power, Efficiency, and Energy Flow
Introduction to the concept of power in the DC and AC realms. Comparison of DC and AC power. Concept of efficiency. Flow of energy and power from source to load. Examples of power in practical applications and associated computations.
Power Factor and its Significance in Practical Applications
Explanation of the concept of power factor on the basis of vectors, voltage and current graphs, power and apparent power. Impact of power factor on overall power quality, energy productivity, energy cost, mean time between failures and the kVA demand. Mainstream and practical approaches for improvement of power factor; illustrated and demonstrated through numerical examples.
Power Quality and Power Management
Introduction to the concepts and methods associated with power quality and power management. Explanation of load factor, its role in power quality considerations and electrical energy cost reduction through peak shaving. Significance of electrical equipment service factor and voltage regulation of power distribution systems. Electric power bill calculation in residential, commercial and industrial arena.
Electrical Machines - Motors and Generators
Introduction to DC and AC motors and generators. Basic principles and equations governing the operation and performance of electric motors. Common calculations involving electric motors. Concept of induction motor slip. Roles that slip and frequency play in determination of the motor shaft speed. Motor classifications.
Electrical Power Distribution and Control Equipment, and Safety Related Devices
An exploratory tour of power distribution and safety equipment is conducted through the review of motor control center (MCC), power switchgear, electronic safety devices and variable frequency drives (VFD). Pictures and diagrams are used in this discussion to give the reader a “hands- on” feel of common electrical and electronic equipment.
National Electric Code and Arc Flash Electrical Safety Standards
A brief introduction to the National Electric Code, limited introductory coverage of the NFPA 70E Arc Flash Regulations and an introduction to some common standards associations often referenced by electrical engineers and electricians. Example problems illustrating the application of NEC.
Electrical Drawings and PLC Relay Ladder Logic Program
Three common types of electrical drawings are discussed. These include a one- line power distribution schematic, a wiring diagram and electrical control drawings. The objective of this chapter is to inculcate basic understanding of electrical symbols, electrical drawing conventions and electrical design strategy. In addition, the reader will be provided a brief introduction to PLC Relay Ladder Logic Programming.
Electrical Power Bill Calculation and Electrical Energy Cost Reduction
Electric power contract and billing schedule options available through most major power companies. Electrical power cost savings ideas in the industrial sector.
Batteries and Capacitors as Energy Storage Devices
Fundamental principles and concepts associated with the electrochemical harnessing of electrical energy in traditional, as well as, the modern batteries are introduced. Pros, cons, strengths and weakness of mainstream batteries and capacitors are explained. Qualitative and quantitative principles and techniques for evaluating important properties of batteries - that define their optimal application - are discussed. Performance of capacitors and batteries, as energy storage devices, is compared.
Solutions for end of chapter self-assessment problems
Common units and unit conversion factors
Greek symbols commonly used in electrical engineering
Mr. Bobby Rauf is the President, Chief Consultant and a Senior Instructor at Sem-Train, LLC.