Electricity and Electronics for Renewable Energy Technology: An Introduction, 1st Edition (Hardback) book cover

Electricity and Electronics for Renewable Energy Technology

An Introduction, 1st Edition

By Ahmad Hemami

CRC Press

802 pages | 595 Color Illus.

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Electricity and Electronics for Renewable Energy Technology: An Introduction provides a foundational understanding of electricity and the methods and devices specific to electricity from renewable sources.

The book begins with a brief explanation of the necessary mathematics and then:

  • Addresses the basics of electricity and relationships, motors and generators, transformers, and networks and distribution
  • Tackles the key concepts associated with electronics, diodes and transistors, switching devices, and power converters
  • Covers digital electronics from number systems and logic circuits to encoders and decoders
  • Explores advanced subjects such as reactive power and the operation of a transistor

A lab manual and PowerPoint presentation are available with qualifying course adoption.

Featuring extensive review questions and practice problems at the end of each chapter, Electricity and Electronics for Renewable Energy Technology: An Introduction instills an essential knowledge of electricity and electronics required for work with renewable energy.


"… a really great introductory textbook and an ideal support for undergraduate and graduate courses in renewable energy systems, electrical engineering, and electronics. The fundamental principles are clearly and expertly explained and the effective use of examples peppered throughout the text makes this an interesting and enjoyable learning tool. The scope is broad, ranging from a discussion of the supporting mathematics and materials science to components and systems, and as a result the reader is given a good grounding in the basics while at the same time getting exposure to major topics."

—Stephen Daniels, Dublin City University, Ireland

"… great information about energy and electrical systems. We will definitely consider this book for our fall 2016 class cycle. It is great to see a book with so much information about renewables in one place."

—Ward Malcolm, Dean of Career, Technical and Workforce Education at Eastern West Virginia Community and Technical College, Moorefield, USA

" … the major strength of the book is that this book delivers the material in a very simple way that everyone can understand the topic; yet it is very detailed that even a beginner student can be very competent on the subject field. All the schematics and diagrams used in this book are very descriptive and they speak for themselves. Even a very difficult to understand concept that is hard to imagine is delivered successfully with the outstanding diagrams used in the book. I haven’t seen a better alternative so far. I think diagrams used here are the best ones if you don’t have the opportunity to see the real thing."

—Omer C. Onar, Oak Ridge National Laboratory

Table of Contents

Energy and Electricity


Need for Energy

Renewable Energy


Static Electricity

Safety at Work and Safety Rules

Chapter Summary

Basic Mathematics and Systems of Measurement Units


Ratio and Percentage

Area and Volume Ratios

Angles, Triangles, and Trigonometric Relationships

Principal Measurement Entities and Systems of Measurement

Other Measurement Entities and Their Derivation

Conversion between Systems of Measurement Units

Formulas, Relationships, and Equations

Chapter Summary

Atomic Structure of Materials


Material Properties

Atom and Molecule

Atomic Structure of Materials

Differences between Materials

Similarities between Materials and Valance Electrons

Categorization of Materials: Conductors and Insulators

Electric Charge and Energy in Electrons

Chapter Summary

DC and AC Electricity


Electricity Basics

Electricity Effects and Electrical Devices

Main Electric Components

Electric Circuit

Electric Flow

DC and AC

Electric Potential and Electric Current

Resistance to Electric Flow



Chapter Summary

Voltage, Current, and Power


Electric Current

Electric Voltage

Ohm’s Law: Relationship between Voltage, Current, and Load Resistance

Measuring Electric Current

Measuring Electric Voltage


Measuring Resistance

Electric Power

Measuring Electric Power and Energy

Chapter Summary

DC Circuits Relationships


Series Circuit

Resistors in Series

Parallel Circuit

Resistors in Parallel

Combined Series and Parallel Resistors

Rule of Series Circuits

Rule of Parallel Circuits

Examples of Combined Circuits

Voltage Divider

Capacitors in DC Circuits

Inductors in DC Circuits

Power in DC Circuits

Chapter Summary

DC Motors and Generators



Electricity and Magnetism

Lorentz Force

Faraday’s Law

DC Machines

DC Sources in Parallel


Chapter Summary

AC Circuits Relationships



AC Circuit Measurements and Values

Resistors in AC Circuits

Inductors in AC Circuits

Capacitors in AC Circuits

Power in Inductors and Capacitors

Phase Difference

Power in AC

Series RLC Circuits

Parallel RLC Circuits

Voltage Divider in AC Circuits


Power Factor Correction

Chapter Summary

Advanced Learning: AC Problem Solving Using Complex Numbers

Three-Phase Systems


Three-Phase Electricity

Properties of a Three-Phase System

Load Connection in Three-Phase Systems

Three-Phase Loads

Use of Vectors in Three-Phase Electricity

Unbalanced Loads

Chapter Summary

Advanced Learning: Mathematical Representation of Three-Phase Systems



An Illustrative Example

Single-Phase Transformer

Ideal Transformer

Autotransformer and Isolation Transformer

Transformer Mounting

Three-Phase Transformers

Transformer Applications and Power Rating

Transformer Efficiency

Transformer Circuits

Chapter Summary

Advanced Learning: Real Transformer Circuit Analysis

AC Motors and Generators


Main Categories of AC Machines

Rotating Magnetic Field

Synchronous Machines

Asynchronous or Induction Machines

Induction Motors

Other Motors

Notes on Application of Electric Machines

Chapter Summary

Electric Power Transmission and Distribution


Power Transmission and Distribution

Electric Cables

Fault Detection and Protective Measures

Transmission Lines

Rules for Network Problems

High Voltage Direct Current Transmission

Chapter Summary

Advanced Learning: Positive, Negative, and Zero Sequence for Fault Analysis

Electronic Components, Functions, and Devices


Electric and Electronic Devices

Categories of Electronic Devices

Semiconductor Materials

Functions of Electronic Devices

Blending DC and AC Signals

Chapter Summary



PN Junction

Forward and Reverse Bias


Diode Characteristic Curve

Testing a Diode

Diodes in a Circuit

Diodes in Series and Parallel

Light-Emitting Diode

Chapter Summary

Regulating Diodes and Applications


Zener Diode

Zener Diode Application

Application Examples

Zener Diodes in Series and Parallel

Diac and Triac

Presentation of Electronic Circuits Diagrams

Chapter Summary

Diode Rectifiers and Filters


Half-Wave Rectifier

Full-Wave Rectifier

Bridge Rectifier

Ripple and Filters

Three-Phase Rectifiers

Small DC Power Supplies

More on Filters

Chapter Summary



Junction Transistor

Transistor Size and Packaging

Transistors Connection and Biasing Configuration

Modes of Operation

How a Transistor Works

Transistor Properties

Transistor Main Functions

Transistor as a Switch

Transistor Amplifier

Biasing a Transistor

Chapter Summary

Transistor Circuits


Transistor Characteristic Curves

Common-Emitter Amplifier

Common-Base Amplifier

Common-Collector Amplifier

Current Gain, Voltage Gain, and Power Gain in Amplifiers

Amplifier Classes

Input and Output Impedance

Coupling and Impedance Matching

Testing Transistors

Chapter Summary

Switchable Diodes and Gated Transistors


Field Effect Transistor

FET Types



Testing a MOSFET

Insulated Gate Bipolar Transistor


Chapter Summary

Power Converters



Thyristor-Based Three-Phase Rectifier

Thyristor-Based Three-Phase Inverter

Power Converter

Pulse Width Modulation

Application in Motor Drives

Chapter Summary

Electronic Power Converters in Wind Turbines and Solar Photovoltaic Systems


Wind Turbine Basics

Solar Energy Systems

AC-to-AC Power Converters

Synchronous Generator for a Wind Turbine

Squirrel Cage Induction Generator

Doubly Fed Induction Generator

Chapter Summary

Digital Electronics


Number Systems

Number Conversion and Precision

One’s and Two’s Complement

Number Display and BCD

Sampling Analog Variables

Chapter Summary

Logic Circuits and Applications


Logic Gates

Logic Gate Math Functions

Boolean Algebra


Chapter Summary

Encoders and Decoders




Flip-Flop Applications

Code Conversion

Multiplexer and Demultiplexer

Chapter Summary

About the Author

Ahmad Hemami is an adjunct professor at McGill University, Montreal, Québec, Canada, and a professor at Iowa Lakes College, Estherville, Iowa, USA. He holds a BS from the University of Tehran, Iran, and a Ph.D from the University of Salford, UK. Dr. Hemami’s extensive experience includes teaching, engineering practice, and research. He has taught several undergraduate and graduate engineering courses, supervised numerous MS and Ph.D students, served as an industry consultant, and published his research in more than 100 journals and conference proceedings.

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Power Electronics and Applications Series

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Subject Categories

BISAC Subject Codes/Headings:
SCIENCE / Energy
TECHNOLOGY & ENGINEERING / Electronics / General
TECHNOLOGY & ENGINEERING / Power Resources / Electrical